已知：C(s)+ 
O2(g)
CO(g) ΔH1 = —110.5 kJ/mol
CO(g)+ O2(g)CO2(g) ΔH2 = —283.0 kJ/mol
则反应C(s)+O2(g)CO2(g)的反应热为( )
| A．172.5 kJ/mol | B．—172.5 kJ/mol | C．393.5 kJ/mol | D．—393.5 kJ/mol |
已知：C(s)+ O2(g)CO(g) ΔH1 = —110.5 kJ/mol
CO(g)+ O2(g)CO2(g) ΔH2 = —283.0 kJ/mol
则反应C(s)+O2(g)CO2(g)的反应热为( )
| A．172.5 kJ/mol | B．—172.5 kJ/mol | C．393.5 kJ/mol | D．—393.5 kJ/mol |
粤公网安备 44130202000953号