Entropy and the Second Law
| Safle: | Young Education |
| Cwrs: | Thermodynamics |
| Llyfrau: | Entropy and the Second Law |
| Argraffwyd gan: | Guest user |
| Dyddiad: | Dydd Gwener, 25 Medi 2026, 1:02 AM |
1. Entropy
Learning outcomes
- I can define entropy.
- I can relate entropy to disorder and probability.
- I can explain why entropy tends to increase.
- I can compare high- and low-entropy systems.
- I can identify processes that increase entropy.
2. The Second Law
Learning outcomes
- I can state the Second Law.
- I can explain why some processes are irreversible.
- I can distinguish reversible and irreversible processes.
- I can explain why heat flows naturally from hot to cold.
- I can apply the Second Law to everyday phenomena.
3. Reversible and Irreversible Processes
Learning outcomes
- I can define reversible processes.
- I can describe irreversible processes.
- I can compare their efficiencies.
- I can identify sources of irreversibility.
- I can explain why perfectly reversible processes are idealizations.
4. Heat Flow and Spontaneous Processes
Learning outcomes
- I can explain spontaneous heat transfer.
- I can predict the direction of thermal energy flow.
- I can relate entropy changes to spontaneous processes.
- I can describe equilibrium.
- I can explain why spontaneous processes cannot be completely reversed.
5. Entropy in Nature
Learning outcomes
- I can identify entropy changes in everyday situations.
- I can explain entropy in biological systems.
- I can describe entropy in climate and environmental systems.
- I can relate entropy to chemical and physical changes.
- I can evaluate real-world examples using the Second Law.