Estimate the heat released

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Estimate the heat released when ethene CH2 CH2 reacts with hydrogen gas to give CH3CH3. Bond enthalpies are
C H : 412 kJ/mol; C C : 348 kJ/mol;
C C : 612 kJ/mol; C Br : 276 kJ/mol;
H H : 436 kJ/mol.

Reference no: EM13129560

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