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heat changes that occur during chemical reactions |
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The Capisity for doing work and supplying heat |
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Chemical potential energy |
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Energy stored within the structural units of chemical substances |
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Represented by "q", Is the energy that transfers from one object to another because of temperature differances between them |
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Part of the universe on which you focus your attention |
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Law of conversion of energy |
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Any chemical or physical process, energy is neather created or destroyed. |
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A process that obsorbs heat from the suffoundings |
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A process that releases heat into its surroundings |
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A quantity of heat required to raise temperature of 1 g of pure water to 1 degree Celcius |
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The amount of heat needed to increase temperature of an object exactly 1 dagree celcius |
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Specific Heat Capacity ( Specific Heat) |
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Amount of heat its takes to raise the temperature of 1 g of a substance to 1 dagree celcius. |
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the accurate and precise measurement of heat change for chemical and physical process |
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An insulated device that is used to measure the absorbion or release of heat in chemical or physical processes |
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For systems at constant pressure, the heat content is the same property |
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An equation that includes the heat change |
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Heat change for anequation exactly as it's written |
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Molar heat of solidification |
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heat lost when 1 mole of liquid solidifies at a constant temperature |
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Heat obsorbed by 1 mole of a substance in melting from a solid to a liquid at constant temperature |
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Molar heat of vaporization |
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Energy required to vaporize 1 mole of a substance |
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Molar heat of condensation |
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amount of heat when 1 mole of vapor condences |
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Heat caused by dissolution of one mole of a substance |
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Hess's law of heat summation |
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If you add 2 or more thermochimical equations to give one final equation, then you can also add the heats to get one final heat of reaction. |
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Gives conditions of temperature and pressure at which a substance exists as a solid |
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all three phases exist in equilibrium |
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Evaporation liquid to a gas |
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substance boils at 101.3 kpa |
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