Term
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Definition
| The study of the interconversion between different forms of energy. |
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Definition
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Definition
| Total kinetic energy of molecules, associated with random motions of atoms and molecules |
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Definition
| Collective potential energy of bonds |
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Term
| Changes in thermal energy are dependent on what three properties? |
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Definition
| Mass, specific heat capacity, temperature |
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Term
| What is the difference between specific heat and heat capacity? |
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Definition
| Specific heat (c) refers to the amount of thermal energy required to raise the temperature of 1 g of an element by 1 degree C/K. Heat capacity (C) is the amount of thermal energy required to raise the temperature of an object by 1 degree C/K. |
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Definition
| Transfer of thermal energy via thermal contact. Higher temperatures indicate faster molecules. HEAT IS NOT A PROPERTY. |
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Definition
| Device for measuring energy change in a chemical reaction. |
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Term
| What is the difference between system and surroundings? What is an isolated system? |
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Definition
| The system is the part of the universe we are interested in, and the surroundings are everything else. An isolated system means that the system cannot exchange energy or matter with the surroundings. |
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Term
| What are the two ways in which energy may leave or enter a system? |
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Definition
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Term
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Definition
| When an object is moved against an external opposing force. Work must involve movement and and force. |
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