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12. | The heat supplied to the gaS at constant volume is (where m = Mass of gas, cv = Specific heat at constant volume, cp = Specific heat at constant pressure, T2 - T1 = Rise in temperature, and R = Gas constant) | |
A. | mR(T2 - T1) | |
B. | mcv(T2 - T1) | |
C. | mcp(T2 - T1) | |
D. | mcp(T2 + T1) | |