4.04.2008

Hess’ Law Heats of Reaction of KOH and HCl

Introduction

In this lab, potassium hydroxide will undergo several different exothermic reactions. In each
reaction a characteristic amount of heat is given off that can be quantified by measuring the change in temperature, DT. In order to measure the amount of heat produced a baseline temperature
will be established prior to the addition of KOH and then the temperature of the solution monitored as the reaction occurs. How will you determine the DT for each reaction?

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