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)

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