IB skill practice

Use Gibbs energy to predict spontaneity

Syllabus-aligned Chemistry skill. Draft skills remain inactive until production seed coverage is added.

Paper 1, Paper 2 5 marks Difficulty 5

Spontaneity from Gibbs sign

A calculation in a IA data review session gives \(\Delta G=-22\,\text{kJ mol}^{-1}\) at constant temperature and pressure. State the spontaneity conclusion. Enter the answer and choose the interpretation that matches the HL chemistry evidence.

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