November 2018 1 9 Report
Dik: delta H pembentukan standar H2O = - 284 kj/mol
delta H pembentukan standar CO2 = -395 KJ/mol
delta H pembentukan standar C2H4 = - 102 kj/mol
masa C2H4 = 0,28 gram
Arc = 12 , H = 1
Dit; hitunglah kalor yang dibebaskan pada pembakaran C2H4 sesuai reaksi C2H4 + 3O2 ----> 2CO2 + 2H2O
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