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Butane is a common fuel used in cigarette lighters and camping stoves. Normally supplied in metal containers under pressure, the fuel exists as a mixture of liquid and gas, so high temperatures may cause the container to explode. At 25.0 degrees C, the vapor pressure of butane is 2.30 atm. What is the pressure in the container at 112.0 degrees C? (ΔH degrees vap = 24.3 kJ/mol.)