A 0.75 g sample of KCl is added to 35.0 g H 2 O in a Styrofoam
Question:
A 0.75 g sample of KCl is added to 35.0 g H2O in a Styrofoam cup and stirred until it dissolves. The temperature of the solution drops from 24.8 to 23.6 °C.
(a) Is the process endothermic or exothermic?
(b) What is the heat of solution of KCl expressed in kilojoules per mole of KCl?
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Related Book For 
General Chemistry Principles And Modern Applications
ISBN: 9780132931281
11th Edition
Authors: Ralph Petrucci, Jeffry Madura, F. Herring, Carey Bissonnette
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