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- Which of the following statements are true about the relationship between C p,m and C v,m ?Differentiate between Fermi level and Fermion.Using the following data O2 (g) SO₂ (g) SO3 (g) Af He/kJ mol-1 0 -296.8 -395.7 AfGe/kJ mol-1 0 -300.2 -371.1 5/JK-1 mol-1 205.1 248.2 256.8 ACO/JK-¹ mol-1 29.4 39.9 50.7 In the following reaction SO₂(g) + O₂(g) → SO3(g) Calculate the enthalpy of reaction, the entropy of reaction, and the Gibbs free energy of the reaction at P=1 atm and T-800 K.
- 112. Main assumption(s) involved in the derivation of Debye-Hückel equation is(are) the validity of (a) Only Poission equation (b) Poission equation and Boltzmann distribution (c) Poission equation, Boltzmann distribution and |±Zep|>>kÂT (d) Poission equation Boltzmann distribution and |±Zep|<Snitial Sinal В Sfinal A Sanal Sfinal 13V3 Based on the image, which system has a AS of zero?For the equation 2K + Cl2------>2KCl. I understand Cl is diatomic , but where does the 2 in front of the K come from.Consider a system similar to the one in Figure 16.8, except that it contains six particles instead of four. What is the probability of having all the particles in only one of the two boxes in the case? Compare this with the similar probability for the system of four particles that we have derived to be equal to 18 . What does this comparison tell us about even larger systems?2. Given the expression for the average energy in terms of . a In Q ap derive the average energy expression in terms of temperature. (Hint: use the chain rule of calculus). aing ano ap 37 38 AT (E)=We discussed in class (several times) how the Boltzmann distribution can be used to relate the relative populations of two states differing in energy by AU. Suppose you are given a vial containing a solution of glucose in water (don't ask why this would happen). For the purpose of this question, glucose exists in one of two conformations-"chair" or "boat"-with an energy difference (AU) of 25.11 kJ mol1 between them. 1. What would be the proportion of molecules in the "boat" conformation at 310K? 2. Thinking back to our discussion of the individual sources of energy that go into the potential energy calculation for a molecule (e.g. Upond Uangle, Uelectrostatic. etc), give a plausible explanation of why the "boat" conformation is less stable. H он "Chair" OH "Вoat" но но но- HO. H. HO. HO H. HO. OH2. Consider a system with 1000 particles that can only have two energies, &, and ɛ, with E, > E,. The difference between these two values is Aɛ = ɛ, - & . Assume that gi = g2 = 1. Using the equation for the Boltzmann distribution graph the number of particles, ni and n2, in states &, and ɛ, as a function of temperature for a A6 = 1×10-21 J and for a temperature range from 2 to 300 K. (Note: kµ = 1.380×10 23 J K-!. " - & % n or = e n, 8,Suppose two different states (with no degeneracy so that g1=g2=1) have energies E2=2x10-22 J and E1=0.5x10-22 J. At what temperature will N2 have a population so that the rato of N2/N1=100? Suppose now that the degeneracies are g1=3, g2=2. Is it possible to find a temperature where the population in N2 is larger than N1?5. Calculate the hydrogen excited state population difference between an acetylene-air flame (2400K) and an ICP (6500K). The lowest energy excited state is 3.02×10-19 J/atom above the ground state. The ground state is singly degenerate and the first excited state is four-fold degenerate. (a) 0.1531 (b) 1.000 (c) 0.6124 (d) 0.1379 (e) 0.0345SEE MORE QUESTIONS
