Electronic contribution to the heat capacity at constant volume A) is always zero B) is zero, except for excited levels whose energy is comparable to KT C) equals 3/2 Nk D) equals Nk exp(BE)
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- What are the numerical values of the heat capacities c-v and c-p of a monatomic ideal gas,in units of cal/mol.K and L.atm/mol.K?A 1.00 mol sample of H2 is carefully warmed from 22 K to 40 K at constant volume. a What is the expected heat capacity of the hydrogen? b What is q for the process?What is the finaltemperature of0.122 mole ofmonatomic ideal gas that performs 75J of work adiabatically if the initial temperature is 235C?
- Please provide detailed solution and give the explanation of the concept............The fugacity of a monatomic gas is found to obey the relation ?(?, ?) = ????. Write expressions for the molar heat capacity at constant pressure.Calculate the vibrational, rotational, and translational contributions to the constant volume heat capacity (Cv) for 14N2 at 298 K. Assume this represents the high temperature limit for rotational energy and low temperature limit for vibrational energy. Given that Cv=20.81 J/K·mol for N2, state which type or types of energy contribute most to Cv for N2 and explain why those types of energy contribute most.
- Q -A sample of argon of mass 6.56 g occupies 18.5 dm' at 305 K. (i) Calculate the work done when the gas expands isothemally against a constant external pressure of 7.7 kPa until its volume has increased by 2.5 dm. (ii) Calculate the work that would be done if the same expansion occurred reversibly.NoneWhat molar constant-volume heat capacities would you expect under classical conditions for the following gases: (a) Ne, (b) O_2, (c) H_2O, (d) CO_2, and (e) CHCl_3
- How much energy does it take to raise the temperature of 1.0 mol H2O(g) from 100 °C to 200 °C at constant volume? Consider only translational and rotational contributions to the heat capacity.Which of (i) volume, (ii) heat, (iii) internal energy, (iv) density are state functions?A linear molecule may rotate about two axes. If the molecule consists of N atoms, then there are 3N- 5 vibrational modes. Use the equipartition theorem to estimate the total contribution to the molar internal energy from translation, vibration, and rotation for (a) carbon dioxide, CO2, and (b) dibromoethyne, C2Br2, at 2000 K. In contrast, a nonlinear molecule may rotate about three axes and has 3N- 6 vibrational modes. Estimate the total contribution to the molar in ternal energy from translation, vibration, and rotation for (c) nitrogen dioxide, NO2, and (d) tetrabromoethene, C2Br4,at 2000 K. In each case, first assume that all vibrations are active; then assume that none is.