alleryThe atomization enthalpy of CH4 is 1665 kJ/mol. What is the mean C-H bond enthalpy?
A416 kJ/mol
B833 kJ/mol
C1665 kJ/mol
D555 kJ/mol
Answer & Solution
Correct answer: A. 416 kJ/mol
Methane has four C-H bonds, so the mean bond enthalpy is 1665/4 = 416 kJ/mol.
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