Substance A 2 B ( g ) can undergo decomposition to form two set of products If the molar ratio of A 2 g t o 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:

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Correct answer: B. 43.75 kJ/mol

If the molar ratio of A 2 g t o 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: ∆ r H = 5 8 × 40 + 3 8 × 50 = 43.75 k J / m o l

Substance A 2 B ( g ) can undergo decomposition to form two set of products If the molar ratio of A 2 g t o 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:

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