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| a change of matter from one form to another without a change in chemical properties |
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| a change that occurs when one or more substances change into entirely new substances with different properties |
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| describes a process in which heat is abrobed from the environment |
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| describes a process in which a system releases heat into the environment |
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| law of conservation of energy |
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| the law that states that energy cannot be created or destroyed but can be changed from one form to another |
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| the energy transferred between objects that are at different temperatures; energy is always transferred from highter-temperature objects to lower-temperature objects until thermal equilibrium is reached |
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| the energy of an object that is due to they object's motion |
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| a measure of how hot or cold something is; specifically a measure of the average kinectic energy of the particles in an object |
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| the quantity of heat required to raise a unit mass of homogeneous material 1 K or 1 degree C in a specific way given constant pressure and volume |
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| a series of steps followed to solve problems, including collecting data, formulating a hypothesis, testing the hypotheses, and stating conclusions |
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| a theory or explanation that is based on obsercations and that can be tested |
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| an explanation for some phenomenon that is based on observation experimentation and reasoning |
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| a summary of many experimental results and observations; a law tells how things work |
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| law of consercation of mass |
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Definition
| the law that states that mass cannot be created or destroyed in ordinary chemical and physical changes |
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| a description of how close a measurement is to the true value of the quantity measured |
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| the exactness of a measurement |
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| a prescribed decimal place that determines the amount of rounding off to be done badsed on the precision of the measurement |
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