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[" (1) - "],[" The heat of combustion of...

[" (1) - "],[" The heat of combustion of ethanol into carbon dioxides and water is "-327" kcal at constant pressure.The "],[" heat evolved (in cal) at constant volume and "27^(@)C" (if all gases behave ideally) is "],[(R=2" cal "mol^(-1)K^(-1)" ) "]

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The heat of combustion of ethanol into carbon dioxide and water is –327 kcal at constant pressure. The heat evolved (in cal) at constant volume and 27^(@)C (if all gases behave ideally) is (R = 2 cal mol^(–1) K^(–1) __________.

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