In a polystyrene calorimeter, 8.0 g of ammonium nitrate is placed in 50.0 ml of water. the initial temperature of the water is 22.9 °c. the temperature of the solution drops to 12.4 °c. assume the specific heat of the solution is 1.00 cal/g·°c. which of the statements below is true?
the reaction is endothermic with a heat of solution of approximately 609 cal/mol. the reaction is exothermic with a heat of solution of approximately 6.09 kcal/mol. the reaction is endothermic with a heat of solution of approximately 6.09 kcal/mol
the reaction is endothermic with a heat of solution of approximately 609 kcal/mol.
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