BRAINCAKEThe Effect of Temperature on Entropy
All substances have some degree of disorder because the particles are always in constant motion. The third law of thermodynamics states that the entropy at absolute zero (0K) is zero. As the substance is heated, it becomes more disordered, and there are large increases in entropy when the substance changes state.
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Key terms in this lesson
- entropy
- A measure of the number of ways particles and energy can be arranged in a system, often described as the amount of disorder.