已知CH3COOH(1),CO2(g),H2O(1)的标准摩尔生成焓ΔfHm?(298.15K)分别为-484.5,-393.5,-285.8kJ·mol-1,则CH3COOH(1)的标准摩尔燃烧焓ΔcHm?(1,298.15K)为多少kJ·mol-1
已知CH3COOH(1),CO2(g),H2O(1)的标准摩尔生成焓ΔfHm?(298.15K)分别为-484.5,-393.5,-285.8kJ·mol-1,则CH3COOH(1)的标准摩尔燃烧焓ΔcHm?(1,298.15K)为多少kJ·mol-1
A.-194.8
B.194.8
C.-874.1
D.874.1
正确答案:-874.1