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Topic 13Chemistry

R1.2 Energy Cycles in Reactions

Calculate enthalpy changes from bond enthalpies and Hess's law, define standard enthalpies of combustion and formation, and construct Born-Haber cycles for ionic compounds.

Practice questions
1

Breaking Bonds, Making Bonds, and the ShortcutSign up

Bond Enthalpies · Hess's Law

35 min
2

Standard Reference Points for EnergySign up

Standard Enthalpy of Combustion · Standard Enthalpy of Formation

30 min
3

The Energy Staircase of Ionic CompoundsSign up

Formation Data Calculations · Born-Haber Cycles

35 min

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R1.1 Measuring Enthalpy Changes

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