Thermodynamics 2 0.0 / 5 ? ChemistryMJT Hanodout 2UniversityOther Created by: E.H13Created on: 04-04-19 20:17 Second Law of Thermodynamics The total entropy of an isolated system can never decrease over time 1 of 11 Entropy A measure of randomness 2 of 11 Exothermic reactions Heat is given out, and the entropy of surroundings increases 3 of 11 Endothermic reactions Heat is taken in, and the entropy of the surroundings decreases 4 of 11 Heat of Fusion Heat of melting 5 of 11 State Function Depends only on the energy and is independent of how that state was reached 6 of 11 Standard enthalpy of formation The Standard enthalpy per mol for the formation of a substance from its elements in their reference states 7 of 11 Reference States The most stable form of the element under standard conditions. 8 of 11 Standard state of a gas 1 bar pressure (100kPa) 9 of 11 Standard state of a liquid 1 mol/dm^3 10 of 11 Hess's Law The total enthalpy change of a reaction is independent of the path by which the reaction occurs. 11 of 11
Comments
No comments have yet been made