Question
Question: 70 calories of heat are required to raise the temperature of 2 moles of an ideal gas at constant pre...
70 calories of heat are required to raise the temperature of 2 moles of an ideal gas at constant pressure from 300C to 350C. The amount of heat required to raise the temperature of same gas through the same range (300C to 350) at constant volume (R = 2 cal/mol/K) –
A
30 cal
B
50 cal
C
70 cal
D
90 cal
Answer
50 cal
Explanation
Solution
(DQ)p = 70cal, (DQ)v = nCvDT = 50 cal