CHEM 201 - 11.2.07

CHEM 201 - 11.2.07 - If H < 0, exothermic o T...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
CHEM 201 – November 2, 2007 Properties of Liquids o Viscosity – resistance to flow o Surface Tension – resistance to spread and increase in surface area Phase Changes o Solid Liquid Melting/fusion o Liquid Solid Freezing o Liquid Gas Evaporation/vaporization o Gas Liquid Condensation o Solid Gas Sublimation o Gas Solid Deposition Gibb’s Free Energy Equation o ΔG = ΔH – TΔS o If ΔG < 0, spontaneous o If ΔG = 0, equilibrium o If ΔG > 0, not spontaneous o ΔH heat of reaction If ΔH > 0, endothermic
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: If H &lt; 0, exothermic o T temperature in Kelvin o S entropy (disorder in the system) S &gt; 0, more disorder S &lt; 0, less disorder Molar Heat Capacity o Amount of energy required to raise the temperature of one mol of substance 1C (1K) Heat Constants for Water o H fusion = 6.01 kJ/mol o H vaporization = 40.67 kJ/mol o H sublimation = H fusion + H vaporization Vapor Pressure o Increases with temperature in a exponential fashion...
View Full Document

Ask a homework question - tutors are online