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Unformatted text preview: olid → liq enthalpy of fusion
liq → gas enthalpy of vaporization 2260
−333 enthalpy of condensation −2260 Note: ΔHfusion = − ΔHfreezing State functions
Always have the same value whenever the system is in the same state. State functions
T 333 liq → solid enthalpy of freezing
gas → liq State Functions and Path Independence etc. Two equal mass samples of water produced by:
1. Heating one from 20°C to 50°C.
2. Cooling the other from 100°C to 50°C.
have identical final H (and V, P, E…). E
etc. State function changes are path independent.
ΔH = Hfinal – Hinitial is constant. qfusion = −qfreezing Thermochemical Expressions
ΔH = qP can be added to a balanced equation.
CH4(g) + 2 O2(g) → CO2(g) +...
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This note was uploaded on 03/02/2014 for the course CHEM 101 taught by Professor Multipleprofs during the Spring '07 term at Drexel.
- Spring '07
- States Of Matter