For the reaction , the reaction enthalpy in is (Round off to the Nearest Integer).

[Given: Bond enthalpies in : CC: 347, CC: 611; CH: 414, HH: 436]

Question

For the reaction , the reaction enthalpy  in  is  (Round off to the Nearest Integer).

[Given: Bond enthalpies in : CC: 347, CC: 611; CH: 414, HH: 436]

Canvas Classes · Accepted Answer

Strategy:
 Calculate the reaction enthalpy from bond enthalpies: .

Step 1: Identify bonds broken (Reactants: )
.

Step 2: Identify bonds formed (Products: )
.

Step 3: Calculation
.

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