已知反应:① 2C(s) + O2(g)=2CO(g) ΔH=-221 kJ/mol② H+(aq) + OH-(aq)=H2O(l) ΔH=-57.3 kJ/mol (稀溶液)下列结论正确的是 ( )A.碳的燃烧热为110.5 kJ/molB.1mol碳充分燃烧放出的热量大于110.5
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