13.6 g of solid ammonium nitrate (NH4NO3, molar mass 80.052 g/mol) is dissolved in 120 mL of water.  The temperature change, ΔT, of the system is -4.14 ºC. Calculate the heat of solution for ammonium nitrate in kJ/mol.  (Assume no heat is lost to the calorimeter, specific heat of solution = 4.184 J g-1 deg-1)     2.31 kJ/mol     3.93 kJ/mol     2.08 kJ/mol     13.6 kJ/mol     12.2 kJ/mol

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20.

13.6 g of solid ammonium nitrate (NH4NO3, molar mass 80.052 g/mol) is dissolved in 120 mL of water. 

The temperature change, ΔT, of the system is -4.14 ºC.

Calculate the heat of solution for ammonium nitrate in kJ/mol.  (Assume no heat is lost to the calorimeter, specific heat of solution = 4.184 J g-1 deg-1)

   

2.31 kJ/mol

   

3.93 kJ/mol

   

2.08 kJ/mol

   

13.6 kJ/mol

   

12.2 kJ/mol

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