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【简答题】
在一个体积恒定为 20dm 3 ,系统与环境无热交换, W '=0 的反应器中,发生某反应使系统温度升高 120 °C,压力增加 300kPa ,而且已知 Δ r C p,m = 4.8J·mol·K -1 ,此过程的 Δ U = ( ), Δ H = ( )。
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