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H(2(g)) + 1/2 O(2(g)) to H2 O((l)) , Del...

`H_(2(g)) + 1/2 O_(2(g)) to H_2 O_((l)) , Delta H =- 68`kcal
Amount of heat is liberated when 7.2 g of water is decomposed is ______ .

A

`-27.2`kcal

B

27.2 kcal

C

55.4 kcal

D

`-55.4`kcal

Text Solution

Verified by Experts

The correct Answer is:
B
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