Part A Evaluate the translational partition function for H2 confined to a volume of 191 cm³ at 328 K . (Note: the Avogadro's constant NA 6.022 × 1023 mol-1). Express your answer to three significant figures. qT (H2) = 1.89 • 1031

The rotational constant for the molecule 1H35Cl is B = 10.60 cm-1. Using Boltzmann statistics, determine the most likely rotational state J that such a molecule would be expected to have at a temperature of 300 K.

Please prove the statement

25. Calculate the values of the rotational and vibrational partition functions of CO2 at 300 K, given that the rotational constant is B = 0.391 cm' and the vibrational constants are w1 = and w3 = 2284 cm'. [Ans: qvib = 1.09] 1388 cm', w2 = 667 cm',

(4) For a rotational-vibrational spectrum of H8'Br (B = 8.46 cm-1) taken at 520 K, determine the R-branch transition that is expected to be the most intense.

Plot the molar heat capacity of a collection of harmonic oscillators as a function of T/θV, and predict the vibrational heat capacity of ethyne at (i) 298 K, (ii) 500 K. The normal modes (and their degeneracies in parentheses) occur at wavenumbers 612(2), 729(2), 1974, 3287, and 3374 cm–1.

5. For carbon monoxide at 298K, determine the fraction of molecules in the rotational levels for J=0, 5, 10, 15, and 20. The rotational constant (B) is 3.83x10^-23 Joules.

P31.17 Calculate the rotational partition function for CINO at 500. K where BA 2.84 cm ¹, BB = 0.187 cm¯¹, and Bc 0.175 cm ¹. =

Part A Determine the total molecular partition function for gaseous H2O at 1000. K confined to a volume of 2.20 cm³ . rotational constants for water are BA = 27.8 cm-1, BB = 14.5 cm-1, and Bc = 9.95 cm-1. The vibrational frequencies are 1615, 3694, and 3802 cm-. The ground electronic state is nondegenerate. (Note: the Avogadro's constant NA The 6.022 x 1023 mol-1). Express your answer to three significant figures. Ην ΑΣφ ? 1.29 • 1029 Itotal = Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining

Consider the rotational temperatures of the following hetero diatomic molecules: θr(CO) = 2.1 K, θr(HF) = 30.2 K. In which case would the classical approximation be accurate? Justify your answer.