The heat of vaporization AH, of acetonitrile (CH,CN) is 29.8 kJ/mol. Calculate the change in entropy AS when 35. g of acetonitrile boils at 81.6 °C. Be sure your answer contains a unit symbol. Round your answer to 2 significant digits.

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Q: How much heat in kJ is liberated at constant pressure if enough calcium carbonate reacts with 84.02…

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