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Use the information about these reactions 1. H2(g)+F2(g)2HF(g)H=537kJ 2. C(s)+2F2(s)CF4(g)H=680kJ 3. 2C(s)+2H2(g)C2H4(g)H=+52.3kJ to calculate H for the reaction of ethylene with F2 : C2H4(g)+6F2(s)2CF4(g)+4HF(g) (A)

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Use the information about these reactions 1. H2(g)+F2(g)2HF(g)H=537kJ 2. C(s)+2F2(s)CF4(g)H=680kJ 3. 2C(s)+2H2(g)C2H4(g)H=+52.3kJ to calculate H for the reaction of ethylene with F2 : C2H4(g)+6F2(s)2CF4(g)+4HF(g) (A) 338.3kJ (B) +338.3kJ (C) 233.7kJ (D) 2486.3kJ (E) +2486.3kJ

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