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The heat evolved in combustion of benzen...

The heat evolved in combustion of benzene is given by the following equation :
`C_(6)H_(6)+15//2O_(2)to3H_(2)O+6CO_(2)` : `DeltaH=-3264.6 kJ`
Which of the following quantities of heat will be evolved when `39g` of benzene are burnt in an open container ?

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