已知,在常温常压条件下,氢气的热值为143kJ/g,请写出该条件下H2燃

已知,在常温常压条件下,氢气的热值为143kJ/g,请写出该条件下H2燃烧的热化学方程式       ▲      

答案

2H2(g)+O2(g)==2H2O(l)△H=-572 kJ·(其他合理答案均对)(2分)

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