浓硫酸稀释是放热还是吸热?
人气:396 ℃ 时间:2020-03-20 04:54:20
解答
浓硫酸溶于水放出大量热是因为浓硫酸分子跟水分子强烈结合,生成一系列稳定的水合物,并放出大量的热:H2SO4 + nH2O == H2SO4·nH2O(n=2 4 6)
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