Combustion of Hydrogen Gas
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2H2 + O2 → 2H2O
概述
Hydrogen gas burns in oxygen to produce water with no carbon-containing products. This makes hydrogen the ultimate clean fuel. The reaction produces a very hot, nearly invisible flame. Hydrogen-oxygen mixtures are explosive within a wide flammability range (4-75% H2 in air).
参与者
日常示例
Hydrogen fuel cell vehicles like the Toyota Mirai emit only water vapor from the tailpipe, as the hydrogen effectively combusts electrochemically.
工业重要性
氢燃烧是清洁能源氢经济的核心。它为火箭发动机(航天飞机主发动机使用液氢/液氧)和燃料电池提供动力。
Frequently Asked Questions
What is the equation for Combustion of Hydrogen Gas?
The balanced equation is: 2H₂ + O₂ → 2H₂O.
What type of reaction is Combustion of Hydrogen Gas?
Combustion of Hydrogen Gas is a combustion reaction.
Is Combustion of Hydrogen Gas exothermic or endothermic?
Combustion of Hydrogen Gas is exothermic (releases energy). The enthalpy change (ΔH) is -571.6 kJ/mol.