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15.1 Energy cycles

Experiments

Here are experiments our science specialists have selected to support the IB* topic.

Recommended

Determining the Enthalpy of a Chemical Reaction

Experiment #13 from Advanced Chemistry with Vernier

In this experiment, you will

  • Use Hess’s law to determine the enthalpy change of the reaction between aqueous ammonia and aqueous hydrochloric acid.
  • Compare your calculated enthalpy change with the experimental results.

Recommended

The Enthalpy of Neutralization of Phosphoric Acid

Experiment #26 from Advanced Chemistry with Vernier

In this experiment, you will

  • Measure the temperature change of the reaction between solutions of sodium hydroxide and phosphoric acid.
  • Calculate the enthalpy, ΔH, of neutralization of phosphoric acid.
  • Compare your calculated enthalpy of neutralization with the accepted value.

Recommended

Heat of Fusion of Ice

Experiment #4 from Chemistry with Vernier

In this experiment, you will

  • Determine the energy (in Joules) required to melt one gram of ice.
  • Determine the molar heat of fusion for ice (in kJ/mol).

Educational Standard
International Baccalaureate (IB)
Subject
Chemistry
Section
Additional Higher Level (AHL)
Topic
15. Energetics/Thermochemistry

* The IB Diploma Program is an official program of the International Baccalaureate Organization (IBO) which authorizes schools to offer it. The material available here has been developed independently of the IBO and is not endorsed by it.

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