1 g碳与适量水蒸气反应生成CO和H2,需吸收10.94 kJ热量,此反应的热化学方程式为
A.C+H2O=CO+H2;△H="+131.3" kJ·mol-1 |
B.C(s)+H2O(g)=CO(g)+H2(g);△H="+10.94" kJ·mol-1 |
C.C(s)+H2O(l)=CO(g)+H2(g);△H="+131.3" kJ·mol-1 |
D.C(s)+H2O(g)=CO(g)+H2(g);△H="+131.3" kJ·mol-1 |
1 g碳与适量水蒸气反应生成CO和H2,需吸收10.94 kJ热量,此反应的热化学方程式为
A.C+H2O=CO+H2;△H="+131.3" kJ·mol-1 |
B.C(s)+H2O(g)=CO(g)+H2(g);△H="+10.94" kJ·mol-1 |
C.C(s)+H2O(l)=CO(g)+H2(g);△H="+131.3" kJ·mol-1 |
D.C(s)+H2O(g)=CO(g)+H2(g);△H="+131.3" kJ·mol-1 |