1.

Substance A_(2)B(g) can undergoes decomposition to form two set of products : If the molar ratio of A_(2)(g) to A(g) is 5 : 3 in a set of product gases, then the energy involved in the decomposition of 1 mole of A_(2)B(g) is :

Answer»

`48.75kJ//mol`
`43.75kJ//mol`
`46.25kJ//mol`
`64.2 kJ//mol`

ANSWER :B


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