Q336
Enthalpy changes over a constant pressure path are always zero for __________ gas.
A.
Any
B.
A perfect
AnswerC.
An easily liquefiable
D.
A real
Answer: Option B
Solution
Answer: Option B
Solution:
Since a perfect gas can also be considered as an ideal gas and for ideal gas hence at constant pressure the temperature remains constant and for ideal gas since enthalpy is solely a function of temperature we can say enthalpy is zero.