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Related Flashcards
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Cards In This Set
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Chemical Reactions
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A change that takes place when two or more substances interact to form new substances.
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Chemical Formula
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A description that uses numbers and element symbols to represent the atoms that make up a compound.
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Chemical Equation
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A way of writing changes in the arrangement of atoms during a chemical reaction, using chemical symbols.
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Balanced Equation
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A chemical equation in which the the number of atoms of each substance are equal for both the products and the reactions.
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Reactant
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A starting material in a chemical reaction.
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Product
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A substance formed from a chemical reaction.
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Law of Conservation of Mass
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It states that mass is neither created nor destoryed, it can only change forms.
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Exothermic
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A change that results in energy being given off.
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Endothermic
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A change that results in energy being absorbed.
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Heat
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The transfer of thermal energy between objects that are at different temperatures.
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Specific Heat
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The amount of energy needed to change the temperature of 1 gram of a substance by 1 degree celsus in temperature.
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Thermal Energy
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The total heat energy of the particles that make up a substance
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Temperature
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A measure of how hot or cold something is
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Interaction
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The exchange of matter and/or energy between two objects or systems.
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Matter
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Anything that has mass and takes up space
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