question_id int64 3.53k 4.67k | answer stringclasses 10
values | category stringclasses 1
value | prompt stringlengths 310 2.1k |
|---|---|---|---|
3,626 | B | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
The rate law may be written using stoichiometric coefficients for which of the following?
A. Redox... |
3,627 | A | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
The oxidation number of chlorine in the perchlorate ion, ClO4–, is
A. 7
B. 2
C. -2
D. 5
E. -3
F. 1... |
3,628 | D | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
The electrolysis of molten magnesium bromide is expected to produce
A. bromine at the cathode and ... |
3,629 | D | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
The Pauli exclusion principle states that
A. no two electrons can occupy separate orbitals
B. no t... |
3,630 | B | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Chlorine gas reacts most readily with
A. butane
B. ethylene
C. acetic acid
D. toluene
E. ethanol
F... |
3,631 | H | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Which of the following should be named using Roman numerals after the cation?
A. AlBr3
B. Na2O
C. ... |
3,632 | J | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Examining data obtained from mass spectrometry supports which of the following?
A. The smell of el... |
3,633 | G | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
A solution of sulfurous acid, H2SO3, is present in an aqueous solution. Which of the following repr... |
3,634 | A | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
During a chemical reaction, NO(g) gets reduced and no nitrogen-containing compound is oxidized. Whi... |
3,635 | C | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Which of the following is classified as a conjugate acid-base pair?
A. HCl / NaOH
B. H+ / Cl−
C. H... |
3,636 | J | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
An electron and a proton are placed in a 1.0 T magnetic field at 300 K. What is the ratio of the eq... |
3,637 | H | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Nitronyl nitroxides are stable radicals in which the unpaired electron is coupled to two equivalent... |
3,638 | H | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
An electron is accelerated in an electron microscope from rest through a potential difference $\Del... |
3,639 | B | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Nelson, et al. (Science 238, 1670 (1987)) examined several weakly bound gas-phase complexes of ammo... |
3,640 | E | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Radiation from an X-ray source consists of two components of wavelengths $154.433 \mathrm{pm}$ and ... |
3,641 | D | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
The diffusion coefficient of a particular kind of t-RNA molecule is $D=1.0 \times 10^{-11} \mathrm{... |
3,642 | H | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
A one-particle, one-dimensional system has the state function
$$
\Psi=(\sin a t)\left(2 / \pi c^2\r... |
3,643 | F | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Given that $D_e=4.75 \mathrm{eV}$ and $R_e=0.741 Å$ for the ground electronic state of $\mathrm{H}_... |
3,644 | E | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
A ground-state hydrogen atom absorbs a photon of light that has a wavelength of $97.2 \mathrm{~nm}$... |
3,645 | B | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
A household lightbulb is a blackbody radiator. Many lightbulbs use tungsten filaments that are heat... |
3,646 | C | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Another application of the relationship given in Problem $1-48$ has to do with the excitedstate ene... |
3,647 | J | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Evaluate the series
$$
S=\sum_{n=0}^{\infty} \frac{1}{3^n}
$$
A. 2 / 3
B. 1 / 2
C. 1 / 3
D. 3
E. 7... |
3,648 | F | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Two narrow slits separated by $0.10 \mathrm{~mm}$ are illuminated by light of wavelength $600 \math... |
3,649 | E | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
A constant-volume perfect gas thermometer indicates a pressure of $6.69 \mathrm{kPa}$ at the triple... |
3,650 | C | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Assume all gases are perfect unless stated otherwise. Note that 1 atm = 1.013 25 bar. Unless otherw... |
3,651 | H | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Assume all gases are perfect unless stated otherwise. Unless otherwise stated, thermodynamic data a... |
3,652 | G | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Assume all gases are perfect unless stated otherwise. Unless otherwise stated, thermodynamic data a... |
3,653 | A | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Assume all gases are perfect unless stated otherwise. Unless otherwise stated, thermodynamic data a... |
3,654 | A | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Assume that all gases are perfect and that data refer to 298.15 K unless otherwise stated. A sample... |
3,655 | B | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Assume that all gases are perfect and that data refer to 298.15 K unless otherwise stated. Calculat... |
3,656 | B | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
The barometric formula relates the pressure of a gas of molar mass $M$ at an altitude $h$ to its pr... |
3,657 | A | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
What pressure would $131 \mathrm{g}$ of xenon gas in a vessel of volume $1.0 \mathrm{dm}^3$ exert a... |
3,658 | I | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
A qualitative analysis ofAtebrin, anantimalarialdrug used extensively by Allied troops during the S... |
3,659 | A | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
The concentration of cholesterol dissolved in chloroform is 6.15 g per 100 ml of solution. (a) A po... |
3,660 | B | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Would you expect He_2^\oplus to be more stable than He_2? Than He?
A. He_2^\oplus is the most stab... |
3,661 | E | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Of what importance are proteins to biological systems?
A. Proteins determine the rate of photosynt... |
3,662 | D | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Suggest a reason for the fact that ultraviolet light causes Cl_2 (gas) to cleavehomolytically, to p... |
3,663 | B | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Calculate ∆m, the difference in mass between the final and initial nuclei in grams per mole for the... |
3,664 | F | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
To measure the wavelength of lines in atomic emission and absorption spectra, one uses a spectrosco... |
3,665 | F | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
SO_2CI_2 \rightarrow SO_2 + CI_2 is 8.0 minutes. In what period of time would the con-centration of... |
3,666 | H | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
A household cleaning solution has a hydronium ion concentration of 10^-11 M. What is the pH of the ... |
3,667 | B | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
What volume of a block of wood (density = 0.80 g / cm^3), which weighs 1.0 kg, will be above the wa... |
3,668 | B | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
A chemist has a saturated solution of CaSO_4 in .0100M Na_2 SO_4 . The K_sp of CaSO_4is 2.4 × 10-^5... |
3,669 | A | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
A chemist dropped a 200 g object into a tank of water. It displaced 60 ml. of the water when it sun... |
3,670 | F | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
A 25.00-ml sample of sea water is titrated with 2.50 M AgN0_3 solution, using K_2CrO_4, as an indic... |
3,671 | F | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
A flask containing H_2 at 0°C was sealed off at a pressure of 1 atm and the gas was found to weigh,... |
3,672 | H | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Assuming the ionization potential of sodium is 5.1eVand the electron affinity of chlorine is 3.6eV,... |
3,673 | C | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
A mixture consisting only of KOH and Ca(OH)_2 is neutralized by acid. If it takes exactly 0.100 equ... |
3,674 | A | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
What are the mole fractions of solute and solvent in a solution prepared by dissolving 98 g H_2SO_4... |
3,675 | A | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
In the electroplating of nickel from a solution containing Ni^2+ ion, what will be the weight of th... |
3,676 | J | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Chlorine may be prepared by the action of KClO_3 on HCl, and the reaction may be represented by the... |
3,677 | D | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Discuss the separate half-reactions and net cell reaction that occur in a flashlight battery. If yo... |
3,678 | C | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
The following reaction 2H_2S(g) \rightleftarrows 2H_2(g) + S_2(g) was allowed to proceed to equilib... |
3,679 | A | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Nitrogen reacts with hydrogen to form ammonia (NH_3). The weight-percent of nitrogen in ammonia is ... |
3,680 | H | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
The van der Waal equation is a modification of the ideal gas equation. It reads [P + (an^2 / V^2)] ... |
3,681 | I | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
A chemist expands an ideal gas against a constant ex-ternal pressure of 700 mmHg, and finds its vol... |
3,682 | J | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Ferrous sulfate undergoes a thermal decomposition as follows: 2FeSO_4 (s) = Fe_2O_3 (s) + SO_2 (g) ... |
3,683 | I | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Determine the volume in milliliters of .20 M KMnO_4 required to oxidize 25.0 ml of .40 M FeSO_4, in... |
3,684 | J | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
A sample of a gas exhibiting ideal behavior occupies a volume of 350 ml at 25.0°C and 600 torr. Det... |
3,685 | A | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Water at 30°C has a vapor pressure of 31.82 mm Hg. When 25.0 g of ethylene glycol is added to 1000 ... |
3,686 | J | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Heating of NaNO_3 decomposed it to NaNO_2 and O_2. How much NaNO_3 would you have to decompose to p... |
3,687 | B | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
When 4.90 g of KCLO_3 was heated, it showed a weight loss of 0.384 g. Find the percent of the origi... |
3,689 | H | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
On the basis of valence, predict the formulas of the compounds formed between the following pairs o... |
3,690 | B | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
A sample of polymer contains 0.50 mole fraction with molecular weight 100,000 and 0.50 mole fractio... |
3,691 | D | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
The valve on a cylinder containing initially 10 liters of an ideal gas at 25atmand 25°C is opened t... |
3,692 | A | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Determine the heat needed to raise 60 g ofPbfrom 20°C to 360°C, given its specific heats are 0.0306... |
3,693 | J | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
For a single year, the motor vehicles in a large city produced a total of 9.1 × 10^6 kg of the pois... |
3,694 | G | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
A sample of an ideal gas at 27°C and 380torroccupied a volume of 492 cm^3. What was the number of m... |
3,695 | F | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Alpha particles emitted from radioactive radium has an energy of 4.8MeV(million electron volts). Ca... |
3,696 | E | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
2 moles of a monoatomic ideal gas at 45°C are compressed adiabatically and reversibly from 75 liter... |
3,697 | E | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Three researchers studied 1 mole of an ideal gas at 273°K in order to determine the value of the ga... |
3,698 | A | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
At 25°C, the vapor pressure of water is increased from 30 to 31 mm Hg against an external pressure ... |
3,699 | A | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
2.000picogram(pg) of ^33P decays by (^0 _-1)\beta emission to 0.250 pg in 75.9 days. Find the half-... |
3,700 | B | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Consider a kinetic experiment in which the chemical re-action is accompanied by a temperature chang... |
3,701 | D | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
The gauge pressure in an automobile tire when measured during the winter at 32°F was 30 pounds per ... |
3,703 | A | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Why does theelectronegativityof the halogens decrease with increasing atomic number?
A. Ionization... |
3,704 | F | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
For the reaction C(s) + 2 H_2O(g) = CO_2(g) + 2H_2(g) calculate \DeltaH and \DeltaE at 25°C,given t... |
3,705 | J | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
TheRydberg- Ritz equation governing the spectral lines of hydrogen is (1/\lambda) = R [(1/n_1 ^2) -... |
3,706 | B | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
For the cell H_2(1 atm) \vertHCl\vertAgCl\vertAg, E° = 0.2220 V at 298 K. If the measured E = 0.396... |
3,707 | J | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
What is the pH of a 1.0 M solution of the strong electrolyte sodium acetate? The dissociation const... |
3,708 | E | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
4 liters of octane gasoline weigh 3.19 kg. Calculate what volume of air is required for its complet... |
3,709 | D | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
One curie is defined as the amount of material, which is equivalent to one gram of radium, that giv... |
3,710 | H | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
An ideal gas X contains n atoms per molecule. Assuming that at 0%C thevibrationalcontribution to he... |
3,711 | B | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
The radioactive decay constant for radium is 1.36 × 10^-11. How many disintegrations per second occ... |
3,712 | E | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
What is the amount of work required a) to freeze 100g of water at 0°C when the temperature of the s... |
3,713 | E | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Determine the spacing of the planes (111) forCsBrwith CsBr with a = 7.28°A. a = 7.28°A.
A. 5.00° A... |
3,714 | G | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Consider the reaction 2SO_2(g) + O_2(g) \rightleftarrows 2SO_3(g) : Initially 0.100 moles of SO_2 a... |
3,715 | J | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
The symbol for antimony is
A. Am
B. As
C. Ab
D. Au
E. Fe
F. Ag
G. An
H. At
I. W
J. Sb
|
3,716 | H | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
A sample of liquid NH3 is brought to its boiling point. Which of the following occurs during the bo... |
3,717 | E | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Which of the following can form hydrogen bonds?
A. CH3F
B. CH3OCH2Br
C. CH4
D. CH3CH2CH2CH3
E. CH3... |
3,718 | G | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
A sample of oxygen gas at 50 °C is heated, reaching a final temperature of 100 °C. Which statement ... |
3,719 | B | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Substances whose Lewis structures must be drawn with an unpaired electron are called
A. hydrogen b... |
3,720 | G | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Which of the following geometries corresponds to a substance that has five sigma bonds and one nonb... |
3,721 | B | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
A proposed mechanism for a reaction is as follows: NO2 + F2 →NO2F + F Slow step. F + NO2 → NO2F Fas... |
3,722 | C | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Argon can be liquefied at low temperature because of
A. its atomic structure
B. covalent bonding
C... |
3,723 | D | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Chemical reactions can be classified as either heterogeneous or homogeneous. Which of the following... |
3,724 | F | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Most transition metals share a common oxidation state of +2. Which of the following best explains w... |
3,725 | A | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Calculate the magnetic moment (μI) of a 13C nucleus.
A. 9.1445 x 10^-27 J T-1
B. 9.1445 x 10^-28 J... |
3,726 | A | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
Which nuclide has an NMR frequency of 115.5 MHz in a 20.0 T magnetic field?
A. 17O
B. 29Si
C. 31P
... |
3,727 | F | chemistry | Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCDEFGHIJ. Think step by step before answering.
The X-band (9.5 GHz) EPR spectrum of a matrix isolated Na atom reveals four hyperfine lines with re... |
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