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How many moles of hexane, C 6 H 14 ( l ), must be burned to produce 170. kJ of heat under standard state conditions?

How many moles of hexane, C ₆H ₁₄( l ), must be burned to produce 170. kJ of heat under standard state conditions? (The heat of combustion for hexane is −4162.9 kJ/mol.)

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