Questions
When an ideal diatomic gas is heated at constant pressure, the fraction of heat energy supplied which increases the internal energy of the gas is:
a
25
b
35
c
37
d
57
detailed solution
Correct option is D
amount of heat absorbed by gas at constant pressure is dQ=nCpdT increase in internal energy of gas is dU=nCvdT here m is mass of gas, C is molar specific heat of gas, dT is change in temperature∴fraction of heat energy supplied which increases the internal energy of the gas isdUdQ=CvCpdUdQ=5R/27R/2 substituting values for a diatomic gas dUdQ=57.Talk to our academic expert!
Similar Questions
Statement 1: It is necessary to define two molar heat capacities for a gas
Statement 2: Work is done by a gas when it volume changes.
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