The dissolutions of amount nitrate in water is an exothermic process. which of t

Question

The dissolutions of amount nitrate in water is an exothermic process. which of the following statements is correct? The enthalpy of solid ammonium nitrate plus pure water is less then that of the solution at the same temperature. The enthalpy of solid ammonium nitrate plus pure water is less then that of the solution at the same temperature. The temperature of the solution is higher than of the ammonium and water before mixing. When ammonium nitrate dissolves in water. the system dose work on the surrounding. A Snickers® candy bar contains 280 Clones of which the fat account for 120 Calories. What is the energy of the fat contain in kj? 5.0 times 10^-1 29kj 5.0 times 10^-2kj 1.2 times 10^-3kj

Explanation / Answer

3.B is the correct answer.when heat absorb,solution enthalpy decrease and increase the solute enthalpy.

4.(4.184*.12)= 5.02

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