A 0.205 g pellet of potassium hydroxide, KOH, is added to 55.9 g water in a Styrofoam
Question:
A 0.205 g pellet of potassium hydroxide, KOH, is added to 55.9 g water in a Styrofoam coffee cup. The water temperature rises from 23.5 to 24.4 °C. [Assume that the specific heat capacity of dilute KOH(aq) is the same as that of water.]
(a) What is the approximate heat of solution of KOH, expressed as kilojoules per mole of KOH?
(b) How could the precision of this measurement be improved without modifying the apparatus?
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a To calculate the approximate heat of solution of KOH we can use the following equation H mcT where ...View the full answer
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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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