6.5 - Entropy

6.5.1: State and explain the factors which increase the disorder (entropy) in a system. An increase in disorder can result from the mixing of different types of particles, changes of state (increased distance between particles), increased movement of particles or increased numbers of particles. An increase in the number of particles in the gaseous state usually has a greater influence than any other possible factor.

6.5.2 Predict whether the entropy change (? S) for a given reaction or process would be negative or positive. From a given equation, identify a single factor which affects the value of ? S and predict the sign of ? S

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