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Edexcel IGCSE Chemistry · Spec 3.2-3.4, 3.8

Calorimetry and Molar Enthalpy Calculations

Covers collect reliable calorimetry data, Calculate Q using mc delta T and Calculate molar enthalpy change with the correct sign.

Chemistry revision video

Calorimetry and Molar Enthalpy Calculations

Spec 3.2-3.4, 3.8

What you need to know

  • Collect reliable calorimetry data
  • Calculate Q using mc delta T
  • Calculate molar enthalpy change with the correct sign

Active recall

Quick check

Answer each question before opening the answer.

Write the calorimetry equation

Q = mc delta T

Why is an insulated cup used?

To reduce heat transfer to the surroundings

What sign does an exothermic delta H have?

Negative

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