When 24.89 grams of fictional compound X is added to water to make 314.9 grams of solution, the temperature increases from 20.22 °C to 35.94 °C. What is the heat of solution for compound X given that the molar mass of compound X is 123.72 g/mol? Assume the specific heat capacity of the solution is 4.18 J/g°C.     20.69 kJ/mol     102.8 kJ/mol     -102.8 kJ/mol     -20.69 kJ/mol     -2.400 kJ/mol

Which statement best defines specific heat? The amount of heat required to increase the temperature of 1 mol of a substance by 1 °C. The amount of heat required to increase the temperature of a specific object, such as a calorimeter, by 1 °C. The amount of heat required to increase the temperature of 1 g of a substance by 1 °C. The amount of heat required to increase the temperature of 1 L of a substance by 1 °C.

Which of the following is true about the following system? CSNO3 (s) CSNO3 (aq) + heat the volume of the system will increase the amount of heat released by the solid is greater than the amount absorbed by the solution heat will be absorbed by the surroundings heat will be absorbed by the system

When 30.87 grams of fictional compound X is added to water to make 438.9 grams of solution, the temperature increases from 26.23 °C to 62.34 °C. What is the heat of solution for compound X given that the molar mass of compound X is 130.58 g/mol? Assume the specific heat capacity of the solution is 4.18 J/g°C.     -280.2 kJ/mol     280.2 kJ/mol     -66.24 kJ/mol     4.649 kJ/mol     66.24 kJ/mol