28. 2 N2O5(g)⇌ 4 NO2(g) + O2(g)
利用上述表格的數據,計算此反應式在 25°C 下的 ΔG°?
(A) –1.35 × 105
kJ
(B) 98.7 kJ
(C) –25.2 kJ
(D) 135 kJ
答案:登入後查看
統計: A(49), B(45), C(332), D(42), E(0) #2430242
統計: A(49), B(45), C(332), D(42), E(0) #2430242
詳解 (共 1 筆)
#5299398
ΔG°=ΔH°-TΔS°
ΔH°= (4*33.15)-(2*11.289)=110 kj=110000j
ΔS° = (4*239.9+204.8)-(2*355.28)=453.84 j/K
ΔG°= 110000-298*453.84 =-25.5 kJ
11
0