已知: C(s)+1/2 O2(g_)=CO(g);△H1=" -110.35" kJ/mol
CO(g)+1/2 O2(g)=CO2(g);△H2=" -282.57" kJ/mol
则:C(s)+O2(g)=CO2(g);△H3=
A.+172.22 kJ/mol | B.-172.22 kJ/mol |
C.+392.92 kJ/mol | D.-392.92 kJ/mol |
已知: C(s)+1/2 O2(g_)=CO(g);△H1=" -110.35" kJ/mol
CO(g)+1/2 O2(g)=CO2(g);△H2=" -282.57" kJ/mol
则:C(s)+O2(g)=CO2(g);△H3=
A.+172.22 kJ/mol | B.-172.22 kJ/mol |
C.+392.92 kJ/mol | D.-392.92 kJ/mol |