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Calculate the heat of combustion of etheneCH2 = CH2(q) + 3O2(g) ---> 2CO2(g) + 2H2O(l)The bond energy data are given below C=C = 619 kJ/ molC-H= 414 kJ/ molO=O = 499 kJ /molC=O = 724 kJ/ molO-H= 460 kJ /mol |
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