Given that the bond energy of hydrogen-hydrogen bonds is 436 , kJ… - Vidyadip

MCQ

Given that the bond energy of hydrogen-hydrogen bonds is $436\, kJ/mol$, that of hydrogen-oxygen bonds is $464\, kJ/mol$, and those in oxygen molecules $496\, kJ/mol$, what is the approximate heat of reaction for $2H_2 + O_2 \longrightarrow 2H_2O$ ? ...$kJ/mol$

✓
$-488$
B
$-440$
C
$440$
D
$488$

✓

Answer

Correct option: A.

$-488$

a

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