Question

A system contains two energy levels separated by 300 cm–1 . (a) What are the relative...

A system contains two energy levels separated by 300 cm–1 . (a) What are the relative populations of the upper and lower levels if the temperature is 1 K? What if the temperature is 1×105 K? (b) What is the temperature of the system when the population of the upper energy state is half that of the lower energy state?

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Consider a molecule having three energy levels as follows: State Energy (cm−1) degeneracy 1 0 1...
Consider a molecule having three energy levels as follows: State Energy (cm−1) degeneracy 1 0 1 2 500. 3 3 1500. 5 part a) What is the value of the partition function when T = 360 K ? part B)What is the value of the partition function when T = 3600K ?
A system consists of N = 106 particles that can occupy two energy levels: a nondegenerate...
A system consists of N = 106 particles that can occupy two energy levels: a nondegenerate ground state and a three-fold degenerate excited state, which is at an energy of 0.25 eV above the ground state. At a temperature of 960 K, find the number of particles in the ground state and in the excited state.
A system with 20,000 molecules has two energy levels (A and B). At first, energy level...
A system with 20,000 molecules has two energy levels (A and B). At first, energy level A is populated by 60% of the molecules. After a reversible process, energy level A is populated by 90% of the molecules and the system is at 373 K. a. What is the difference in energy between the two levels? Provide your answer in J/mol. b. What is the change in the total energy of the system? c. What is the change in entropy?...
A parallel plate capacitor with an area of 300 cm 2 is separated by a distance...
A parallel plate capacitor with an area of 300 cm 2 is separated by a distance of 2 mm in air or vacuum is charged by a battery of 12 volts. Find a) the capacitance of the system, b) the charge on the plates and c) the energy stored.
a system has two non-degenerate energy levels. energy gap is 0.1eV. calculate the probability that the...
a system has two non-degenerate energy levels. energy gap is 0.1eV. calculate the probability that the system is in the higher energy level, when it is in thermal equilibrium with a heat reservoir of absolute temperature i- 300K ii-600K iii-1000K iv- 10000K at what temperature is the probability equal to (v) 0.25 (vi) 0.4 (vii) 0.49
Two large parallel horizontal metal plates are separated by a 2.5 cm air gap, with the...
Two large parallel horizontal metal plates are separated by a 2.5 cm air gap, with the air at an average temperature of 100°C. How much hotter may the lower plate be (than the upper plate) without causing the onset of free convection in the gap? How much may this temperature difference be increased if a very thin metal sheet is placed midway between the two plates?
1. Consider a three level system in which the energies are equally spaced (by energy ε);...
1. Consider a three level system in which the energies are equally spaced (by energy ε); each of the levels has certain (nonzero) degeneracy g . A. Write down the general expression for the average energy and the partition function of the system. B. Compute the occupations for ε = kT, when (i) all the states are singly degenerate and (ii) when the degeneracies are g0 = 1, g1 = 1, g2 = 3. Here gj represents the degeneracy of...
Two electrons are initially separated by 75 cm when they are shot toward each other with...
Two electrons are initially separated by 75 cm when they are shot toward each other with identical speeds of 100 m/s. (a)Find the total initial mechanical energy of the system of electrons. (b) Find the speed of the two particles when their separation distance is 5 cm. (c) Find the work done by the electric force on one of the electrons as its separation distance from the other electron changes from 75 cm to 5cm. Is this value what you...
A 5 L box contains 2.1 L of Argon and 2.9 L of Helium, separated by...
A 5 L box contains 2.1 L of Argon and 2.9 L of Helium, separated by a partition. Both volumes are thermally isolated to the surroundings. The temperature of the box is 320 K and the pressure on both sides is 1.2 atm. After the partition is removed, and equilibrium is established: ● What will the temperature and pressure be? ● What is the change in internal energy Δ​U​ for the He+Ar system? ● What is the change in entropy...
A 5 L box contains 2.1 L of Argon and 2.9 L of Helium, separated by...
A 5 L box contains 2.1 L of Argon and 2.9 L of Helium, separated by a partition. Both volumes are thermally isolated to the surroundings. The temperature of the box is 320 K and the pressure on both sides is 1.2 atm. After the partition is removed, and equilibrium is established: ● What will the temperature and pressure be? ● What is the change in internal energy Δ​U​ for the He+Ar system? ● What is the change in entropy...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT