is this endo or exo? Use the following bond energies to decide if the reaction of...

Question

Question

is this endo or exo? Use the following bond energies to decide if the reaction of CO2 +2H2 --> CH4 + O2 is endo or exo thermic. C--H 414 kJ/mol S

Answer 1

Answer #1

Co2 + 2H2 - CH 4 to o n DH = ? o=cro + 2 H -H -Ć -H + 0 =0 7 DH = bond enery of reactents- products = 2 x Bof- of Cro + 2x Br

Answer 2

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