已知C(金刚石)
C（石墨）ΔH =" -" Q(Q＞0),下列热化学方程式放出热量最多的是
A．C(金刚石)+ O2(g)=CO(g)ΔH =" -" Q1 |
B．C（石墨）+  O2(g)="CO(g)" ΔH =" -" Q2 |
| C．C(金刚石) + O2(g)=CO2(g) ΔH =" -" Q3 |
| D．C（石墨）+ O2(g)=CO2(g) ΔH =" -" Q4 |
已知C(金刚石)C（石墨）ΔH =" -" Q(Q＞0),下列热化学方程式放出热量最多的是
| A．C(金刚石)+O2(g)=CO(g)ΔH =" -" Q1 |
| B．C（石墨）+ O2(g)="CO(g)" ΔH =" -" Q2 |
| C．C(金刚石) + O2(g)=CO2(g) ΔH =" -" Q3 |
| D．C（石墨）+ O2(g)=CO2(g) ΔH =" -" Q4 |
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