P3B.4 The molar heat capacity of N,(g) in the range 200 K to 400 K is given by Com/(JK mol) = 28.58 + 3.77 x 10°(T/K). Given that the standard molar entropy of N,(g) at 298 K is 191.6 JK mol', calculate the value at 373 K. Repeat the calculation but this time assuming that Cm is independent of temperature and takes the value 29.13 JK'mol. Comment on the difference between the results of the two calculations. %3D P.m

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P3B.4 The molar heat capacity of N,(g) in the range 200 K to 400 K is given by
Cm/(JK mol) = 28.58 + 3.77 x 10°(T/K). Given that the standard molar
entropy of N,(g) at 298 K is 191.6 J Kmol, calculate the value at 373 K.
Repeat the calculation but this time assuming that C, is independent of
%3D
D.m
temperature and takes the value 29.13 J K mol. Comment on the difference
between the results of the two calculations.
Transcribed Image Text:P3B.4 The molar heat capacity of N,(g) in the range 200 K to 400 K is given by Cm/(JK mol) = 28.58 + 3.77 x 10°(T/K). Given that the standard molar entropy of N,(g) at 298 K is 191.6 J Kmol, calculate the value at 373 K. Repeat the calculation but this time assuming that C, is independent of %3D D.m temperature and takes the value 29.13 J K mol. Comment on the difference between the results of the two calculations.
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