dissolution (dissolving) can be determined using a coffee cup calorimeter. In the laboratory a general chemistry student finds that when 3.01g of FeBr3?(s) are dissolved in 105.90g of water, the temperature of the solution increases from 24.32 to 27.69 ?C. The heat capacity of the calorimeter (sometimes referred to as the calorimeter constan solutionspile.com

Question

dissolution (dissolving) can be determined using a coffee cup calorimeter. In the laboratory a general chemistry student finds that when

3.01 g

of

FeBr_{3} (s)

are dissolved in

105.90 g

of water, the temperature of the solution increases from

24.32

to

27.69

^{?} C

. The heat capacity of the calorimeter (sometimes referred to as the calorimeter constant) was determined in a separate experiment to be

1.65 J /^{?} C

. Based on the student's observation, calculate the enthalpy of dissolution of

FeBr_{3} (s)

in

kJ / mol

. Assume the specific heat of the solution is equal to the specific heat of water.

? H_{dissolution} = kJ / mol

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