Enthalpy of Neutralisation

Added by Dr. Martin Armitage on Dec 15, 2008

This activity demonstrates that the total enthalpy change for a chemical reaction is independent of the route to the final products. This is a statement of Hess's Law of Constant Heat Summation and will be illustrated using the neutralisation reaction between hydrochloric acid and sodium hydroxide.

This item teaches:

  • about enthalpy change
  • how Hess's Law can be used to calculate the enthalpy change for a reaction
  • about the enthalpy of neutralisation
  • about Hess's Law

Contents

Objectives

  • Students will learn that the total enthalpy change for a chemical reaction is independent of the route to the final products. This is a statement of Hess’s Law of Constant Heat Summation and will be illustrated using the neutralisation reaction between hydrochloric acid and sodium hydroxide.

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Topic:
Chemical Reactions
Product:
Inorganic Chemistry
Tags:
enthalpy, neutralisation, Hess
Viewed:
2,733 times
 
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