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状態A(TA, VA)から状態B(TA+ΔT, VA+ΔV)へのn molの理想気体の断熱可逆変化を考える。この過程における系の内部エネルギー変化ΔUとして正しいものを選択しなさい。なおこの過程における定容熱容量Cvならびに定圧熱容量Cpは各々(3/2)R, (5/2)Rで一定としてよい。
Now we think about an adiabatic reversible process of ideal gas (n molar) from the state A (TA, VA) to the state B (TA+ΔT, VA+ΔV). Answer the internal energy change (ΔU) of this process. Heat capacities at constant volume and pressure, Cv and Cp, are (3/2)R and (5/2)R, respectively.