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17 Cards in this Set
- Front
- Back
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properties
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"the personality traits" of substances
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physical properties
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the inherent characteristics of a substance that can be determined without altering its composition
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chemical properties
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describe the ability of a substance to form new substances
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physical change
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changes in physical properties or changes in the state of matter without an accompnaying change in composition
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chemical change
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new substances are formed that have different properties and composition from the original material
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electroylysis
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passing electricity through the water in a process
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chemical equations
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a shorthand expression showing the reactants and the products of a chemical change
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reactants
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the starting substances
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products
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the substances produced
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law of conservation of mass
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no change is observed in the total mass of the substances involved in a chemical change
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energy
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the capacity of matter to do work
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potential energy
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sotred energy. or energy that an object possesses due to its relative position
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kinetic energy
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energy that matter possesses due to its motion
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calorie
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a commonly used unit of heat energy
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joules
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the SI unite of energy
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specific heat
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the quantity of heat required to change the temperature of 1 g of that substance by 1`C
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law of conservation of energy
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energy can be neither destroyed or created, though it can be transformed from one form to another
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