For the reaction, CO(g)+1/2O2(g)=CO2(g) ∆H= -280.0 kJ/mol and C(s)+O2(g)=CO2(g) ∆H= -393.5 kJ/mol, how much is the reaction heat of C(s)+1/2O2(g)=CO(g)?
A、113.5kJ/mol;
B、-113.5kJ/mol;
C、-673.5kJ/mol;
D、673.5kJ/mol
发布时间：2025-10-28 01:27:35
