Answer to Question #61618 in General Chemistry for Katie Hamment

Question #61618
Calculate the amount of heat energy absorbed when 1.6 grams of ammonium nitrate is dissolved
1
Expert's answer
2016-08-29T12:08:03-0400
The amount of heat absorbed when 1 mol of ammonium nitrate is dissolved can be found in a number of handbooks (- 26.4 kJ/mol). 1.6 grams of ammonium nitrate is some 1.6 g/80 g/mol = 0.02 mol. Thus, the amount of heat absorbed is - 26.4 kJ/mol*0.02 mol = - 528 J.

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