已知氢气的燃烧热为286 kJ/mol；且H2O(g) = H2O(l) ΔH = —44 kJ/mol。下列热化学方程式正确的是
| A．2H2(g) + O2(g) = 2H2O(g)ΔH = —286 kJ/mol |
| B．2H2(g) + O2(g) = 2H2O(g)ΔH = —572 kJ/mol |
C．H2(g) +  O2(g) = H2O(g)ΔH = —330 kJ/mol |
D．H2O(g) = H2(g) +  O2(g)ΔH=+242kJ/mol |
已知氢气的燃烧热为286 kJ/mol；且H2O(g) = H2O(l) ΔH = —44 kJ/mol。下列热化学方程式正确的是
| A．2H2(g) + O2(g) = 2H2O(g)ΔH = —286 kJ/mol |
| B．2H2(g) + O2(g) = 2H2O(g)ΔH = —572 kJ/mol |
| C．H2(g) + O2(g) = H2O(g)ΔH = —330 kJ/mol |
| D．H2O(g) = H2(g) + O2(g)ΔH=+242kJ/mol |
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