The standard enthalpy of combustion of C5H12 (g) is -3520 kJ/mol, the standard enthalpies of formation of CO2 (g) and H2O (l) are -395 kJ/mol and -286 kJ/mol, respectively. Caculate the standard enthalpy of formation of C5H12 (g):
A、2839kJ/mol;
B、-2839kJ/mol;
C、171kJ/mol;
D、-171kJ/mol
发布时间:2025-11-14 23:10:29