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Fuel in pocket cigarette lighters

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Reference no: EM131118022

Butane is used as the fuel in pocket cigarette lighters. It is a liquid when stored under pressure in the lighter, but vaporises when the valve is opened. Combustion of butane is represented by the equation:

2C4H10(g) + 13O2(g) ® 8CO2(g) + 10H2O(l); DH = -5772 kJ mol-1

How much energy is evolved when 10.0 g of butane burns completely?

Reference no: EM131118022

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