a level chemistry topicwise questions

  • 23.4 Gibb’s Free Energy

    BySubarnam

    23.4 Gibbs Free Energy Change 🎯 Learning Outcomes Candidates should be able to: ✓ State and use the Gibbs equation ΔG⦵ = ΔH⦵ − TΔS⦵ ✓ Perform calculations using the equation ΔG⦵ = ΔH⦵ − TΔS⦵ ✓ State whether a reaction or process will be feasible, using the sign of ΔG ✓ Predict the effect…

  • 23.3 Entropy Change

    BySubarnam

    The universe’s obsession with mess — and how chemists put a number on it 🎯 Learning outcomes Candidates should be able to: Define the term entropy, S, as the number of possible arrangements of the particles and their energy in a given system. Predict and explain the sign of the entropy changes that occur: during…