Heat Of Solution (1959)

Describes an experiment to determine the heat of solution of zinc sulfate when dissolved in water. The heat of solution is defined as the heat change associated with dissolving a solute in a solvent, which can involve various chemical changes and heat exchanges. The experiment involves setting up a crude calorimeter with a large and small beaker, measuring the dimensions and weights of the components, and calculating the calorimeter constant. After preparing the zinc sulfate and water, the initial and final temperatures are recorded, and the heat absorbed by the water and calorimeter is calculated. The heat of solution is then determined through a ratio involving the calories evolved and the weight of zinc sulfate used. The experimental value is compared to the accepted value, resulting in a percent error of 6.7%.

Keywords: heat of solution, zinc sulfate, calorimeter, temperature change, specific heat, experiment, calorimeter constant, heat exchange, chemical changes, percent error.
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