Question: A generic solid, X, has a molar mass of 77.9 g/mol. In a constant-pressure calorimeter, 12.6 g of X is dissolved in 365 g of

A generic solid, X, has a molar mass of 77.9 g/mol. In a constant-pressure calorimeter, 12.6 g of X is dissolved in 365 g of water at 23.00 C. X(s) X(aq) The temperature of the resulting solution rises to 26.50 C. Assume the solution has the same specific heat as water, 4.184 J/g C), and that there is negligible heat loss to the surroundings. How much heat was absorbed by the solution? 5.35 9 KJ Incorrect What is the enthalpy of the reaction? -8.39 kJ/mol Incorrect

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