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### 12 Cards in this Set

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 Heat Capacity (C) A measure of the energy change needed to change the temperature of a substance: C = q/dT T or F: Constant Pressure heat capacities are greater than constant volume heat capacities True Two Heat Capacities for any substance: Constant Volume Heat Capacity: C(v) = q/dT [constant volume] Constant Pressure Heat Capacity: C(p) = q/dT [constant pressure] General Heat Capacity Eqn. q = C*dT Specific Heat Capacity Eqn. q = m*c*dT Specific Heat of Water 1 cal*g^-1*C^-1 C in Celcius Coffee Cup Calorimeter -An example of a const. P/V calorimeter -Measures heat of reaction q = dH at const pressure q = m*c*dT Bomb Calorimeter -Measures internal energy change at constant volume q = dU q = C*dT Read pp. 83-85 Chemistry (Lecture 5) Four colligative properties of solutions: 1) vapor pressure 2) boiling point 3) freezing point 4) osmotic pressure depend upon number, not kind When does a substance boil? When its vapor pressure equals the local atmospheric pressure Read pages 88-89 Chemistry (Lecture 5)