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For a system of independent, distinguishable particles that have merely two quantum states with energies of 0 and epsilon and degeneracies of g0 and g1, it can be shown that the molar heat capacity of such a system is given by CV/n = R g1 (beta*epsilon)2 exp(-beta*epsilon) / [1+exp(-beta*epsilon)]2.
Compute this value for epsilon = 404, 881, and 3685 cm-1 the excitation energies of the 2P1/2 excited states of F, Cl, and Br, respectively at T = 300 K.
A 2.15 g sample of white solid was vaporized in a 345 mL vessel. If the vapor has a pressure of 985 mmHg at 134°C, what is the molecular weight of the solid
The reaction of water and coal at a high temperature produces a mixture of hydrogen and carbon monoxide gases. This mixture is known as synthesis gas (or syngas). What mass of hydrogen gas can be formed from the reaction of 51.3 g of carbon with e..
Emma is analyzing a sample which contains some zinc in it. The sample is .198 g. She reacts it with an excess of hydrochloric acid and measures hydrogen gas produced. The determination shows the sample to be 84% zinc.
the reaction n2g 3 h2g ? 2 nh3g is at equilibrium in a reaction chamber. if an experimenter injects a small amount of
what is the pH of laundry water in your washing machine that contains 0.5 mg/L of bleach (hypochlorous acid, HOCl).
Write the structural formula of the main organic product for the following reaction between an alcohol, tosyl chloride, and then a nucleophile.
A drop of NaOH titrant adheres to the side of the buret between the initial and final readings for the titration.As a result of the `clean glass`error, will the molar concentration of the NaOH solution be reported as too high or too low
an ice calorimeter can be used to determine the specific heat ofa metal. a piece of hot metal is dropped into a weighed
What is the vapor pressure in mmHg of a solution prepared by dissolving 5.00g of benzoic acid (C7H6O2) in 100g of ethyl alcohol (C2H6O) at 35 C?
Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.220 M HClO(aq) with 0.220 M KOH(aq). The ionization constant for HClO
Ethylene glycol,C2H4(OH)2, is a colorless liquid used as automobile antifreeze. If the density at 20 degree Celcius of a 4.028m solution of ethylene glycol in water is 1.0241g/mL, What is the molarity of the solution
Predict the shape and polarity of each of the following molecules. Assume all bonds are polar: a) a central atom with four identical bonded atoms and no lone pairs. b) a central atom with three identical bonded atoms and one lone pair. c) a centra..
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