Term
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Definition
| 1 kilocalorie = 1000 calories |
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Term
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Definition
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Term
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Definition
| heat ( joules or calories) / mass(g) x change in temperature (?C) |
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Term
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Definition
| the quantity of heat needed to raise the temperature of 1g of pure water 1?C |
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Term
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Definition
| the isulated device used to measure the absorption or release of heat in chemical or physical processes |
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Term
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Definition
| the accurate and precise measurement of heat change for chemical and physical processes |
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Term
| chemical potential energy |
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Definition
| energy stored within the structural units of chemical substances |
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Term
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Definition
| a process that absorbs heat from the surroundings |
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Term
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Definition
| The capacity for doing work or supplying heat |
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Term
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Definition
| the heat content of a system at constant pressure |
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Term
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Definition
| a heat-dissipating process |
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Term
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Definition
| the energy that is transferred from one body to another because of a temperature difference |
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Term
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Definition
| the quantity of heat required to change an object's temperature by exactly 1 ?C |
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Term
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Definition
| the heat released during a chemical reaction in which one mole of a substance is completely burned |
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Term
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Definition
| the heat released or absorbed during a chemical reaction; equivalent to h, the change in enthalpy |
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Term
| Hess's law of heat summation |
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Definition
| in going from a particular set of reactants to a particular set of products, the enthalpy change is the same whether the reaction takes place in one step or in a series of steps |
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Term
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Definition
| the SI unit of energy; 4.184 J equals one calorie |
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Term
| law of conservation of energy |
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Definition
| energy is neither created nor destroyed in an ordinary chemical or physical process |
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Term
| molar heat of condensation |
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Definition
| the heat,in joules or calories, released by 1 mole of a substance as it changes from a vapor to a liquid at the liquid's boiling point |
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Term
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Definition
| the energy,in kilojoules, required to melt 1 mole of a solid |
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Term
| molar heat of solidification |
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Definition
| the heat,in joules or calories, released by 1 mole of a substance as it changes from a liquid to a solid at the solid's melting point |
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Term
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Definition
| the heat,in joules or calories, released by 1 mole of a substance as it dissolves in water to produce 1 liter of a 1 molar solution |
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Term
| molar heat of vaporization |
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Definition
| the energy, in kilojoules, required to vaporize 1 mole of a liquid |
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Term
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Definition
| the quantity of heat, in joules or calories, required to raise the temperature of 1 g of a substance 1?C |
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Term
| standard heat of formation |
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Definition
| the change in enthalpy for a reaction in which one mole of a compound is formed from its constituent elements |
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Term
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Definition
| the remainder of the universe that is outside the system |
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Term
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Definition
| any part of the universe upon which attention is focused |
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Term
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Definition
| a chemical equation that includes the amount of heat produced or absorbed during the reaction |
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Term
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Definition
| the study of heat changes in chemical reactions |
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Term
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Definition
| the totality of all existing things |
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Term
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Definition
| the totality of all existing things |
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