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) 0.0345

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) 0.0345

Chemistry & Chemical Reactivity

9th Edition

ISBN:9781133949640

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter18: Principles Of Chemical Reactivity: Entropy And Free Energy

Section: Chapter Questions

Problem 59GQ: Sulfur undergoes a phase transition between 80 and 100 C. S8(rhombic) S8(monoclinic) rH = 3.213...

See similar textbooks

Similar questions

the rotational constant for 1H35Cl is 10.6 cm-1 . What are the degeneracies, g, of the J=2, and J=3 rotational states?
Why is it important to distinguish between the standardstate and the reference state of an element?
Find the potential energy for two methyl chloride molecules at 25°C seperated by 1.9°C
A certain atom has a doubly degenerate ground state and an upper level of four degenerate states at 450 cm−1 above the ground level. In an atomic beam study of the atoms it was observed that 30 per cent of the atoms were in the upper level, and the translational temperature of the beam was 300 K. Are the electronic states of the atoms in thermal equilibrium with the translational states? In other words, does the distribution of electronic states correspond to the same temperature as the distribution of translational states?
Sulfur undergoes a phase transition between 80 and 100 C. S8(rhombic) S8(monoclinic) rH = 3.213 kl/mol-rxn rS = 8.7 J/K mol-rxn (a) Estimate rG for the transition at 80.0 C and 110.0 C. What do these results tell you about the stability of the two forms of sulfur at each of these temperatures? (b) Calculate the temperature at which rG = 0. What is the significance of this temperature?
Answer the following questions in minimum 5 sentences 3. Describe the difference between real deviations from Beer’s law and those due to instrumental orchemical factors.4. How does an electronic transition resemble a vibrational transition? How do they differ?
Calculate the IHD for a compound with the molecular formula: C6H4BrNO2 show work!
Use the equipartition principle to estimate the values of γ = Cp/CV for gaseous ammonia and methane. Do this calculation with and without the vibrational contribution to the energy. Which is closer to the experimental value at 25 °C?
The first excited state of Cu is reached by absorption of 327-nm radiation. (a) What is the energy difference (J) between the ground and excited states? (b) The ratio of degeneracies is g*/g0 3 for Cu. Find N*/N0 at 2 400 K. (c) By what percentage will the fraction in (b) be changed by a 15-K rise in temperature? (d) What will the ratio N*/N0 be at 6 000 K?
A hydrogen atom in the 2P state is placed in a cavity. Find the temperature of the cavity at which the transition probabilities for stimulated and spontaneous emissions are equal.
The force constant for HBr is 412 N m-1. Using the harmonic oscillator model, calculate the relative population of the first excited state and the ground state at 300 K.
1.3 The ground level of Cl is 2P3/2 and a 2P1/2 level lies 881 cm-1 there above. Calculate the electronic contribution to the heat capacity of Cl atoms at 500 K.