the rotation partitopn fungtion is q=
here
= 2.39 k
and T=369 k .
no the rotational partitonal fungtion is
q= 369/2.29
q=161.13
Question 2 1 pts The rotational temperature of NO is 2.39 K. At a temperature of...
For which of the following diatomic molecules is the high-temperature expression for the rotational partition function valid if T = 30 K? a.) HCl with B = 10.591 cm^-1 b) CsI with B = 0.0236 cm^-1 Explain your choice:
Question 5 The rotational energy levels of a diatomic molecule are given by E,= BJ(J+1) with B the rotational constant equal to 8.02 cm Each level is (2) +1)-times degenerate. (wavenumber units) in the present case (a) Calculate the energy (in wavenumber units) and the statistical weight (degeneracy) of the levels with J =0,1,2. Sketch your results on an energy level diagram. (4 marks) (b) The characteristic rotational temperature is defined as where k, is the Boltzmann constant. Calculate the...
A. Derive an expression for the rotational partition function in the "high-temperature" limit where qrot can be approximated as an integral. Remember that the rotational energies as a function of rotational quantum number j are given by: ϵ (j) = B j (j + 1) where B is called the “rotational constant” B = ℏ2 /2µ r 2 , and the degeneracy of each "j" state is D(j) = 2j + 1. B. What is the average rotational energy in...
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4.) Calculate the rotational partition function for Hy at 1000 K, where B=60.589 cm 1
a.) What does a partition function represent in statistical thermodynamics? A. The number of rotational symmetry elements of a molecule with more than 2 atoms. B. The number of thermally accessible energy levels at a given temperature. C. The number of molecules that partition themselves between the liquid and the gas phase of a substance b.) The constant volume heat capacity for a monoatomic gas is equal to: A. RT B. R C. 32 RT D. 3/2 R c.) The...
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Set 1: (50 pts) 1. (20 pts) The diatomic iodine anion (1:') has a vibrational frequency of approximately 110 cm Predict the total heat capacity of I, in the gas phase at 300 K. II. (30 pts) The diatomic molecule Co has a vibrational wavenumber of 2170 cm and may be treated as a quantized harmonic oscillator. 1. (10 pts) What is the energy of one photon of light which has the same frequency as CO...
Question 13 1 pts A reaction has AHºrxn = 82 kj and ASºrxn = 255j/K. Calculate above what temperature the reaction becomes favorable. Enter the temperature in °C with 1 decimal place and no units. K = 273.15 + °C
an
insulated
Question 18 1 pts Problems 18-20 are based on the following description An insulated rigid tank is divided into two equal parts by a partition. Initially, one part contains 10 kg of an ideal gas with molar mass M-16 kg/kmol, a pressure of 330 kPa, and a temperature of 50 oC. The other part is evacuated. The partition is now removed and the gas fills the entire tank. -8.31447 kJ/kmol.K) The expansion work in kJ is closer to:...
On the moon the surface temperature ranges from 369 K during the day to 110. K at night. (a) What are these temperatures on the Celsius scale? o C to (b) What are these temperatures on the Fahrenheit scale? o F to
Question 4 2 pts Kc for the reaction below equals 125 at a particular temperature. F2(g) + Cl2(g) = 2 FCI(g) What is the value of K for the reaction given below? 1/2 F2(g) + 1/2 Cl2(g) = FCl(g) O K = 0.0894 OK - 11.2 O K = 0.0160 Ke = 62.5 O K = 125