題組內容

40. For the reaction at 25℃: 
2A(g)＋B(g)→2D(g)
ΔE°298＝－5.13kcal and ΔS°298＝－10cal/K；gas constant R＝2 cal/mol-K。

(1) ΔG°298 of the reaction= __【第 49 格答案】__ cal。