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What is the molar specific heat at constant pressure of helium treated as an ideal gas?
A(5/2) R
B(3/2) R
C(7/2) R
D3 R
Answer & Solution
Correct answer: A. (5/2) R
Cp is Cv plus R, and for a monatomic gas that is (3/2) R + R = (5/2) R.
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