题目

【1.1】25 ℃ C2H4(g)的DcHmΘ= -1410.97kJ/mol ；CO2(g)的DfHmΘ= -393.51kJ/mol ，H2O(l)的DfHmΘ= -285.85kJ/mol；则C2H4(g)的DfHmΘ=kJ/mol

【1.1】25 ℃ C2H4(g)的DcHmΘ= -1410.97kJ/mol ；CO2(g)的DfHmΘ= -393.51kJ/mol ，H2O(l)的DfHmΘ= -285.85kJ/mol；则C2H4(g)的DfHmΘ=kJ/mol

题目解答

答案

52.25