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18 Cards in this Set
- Front
- Back
Products
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Substances formed by a chemical reaction.
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Precipitate
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A solid product that forms when chemicals in two liquids react.
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Color change
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When substances change color during a chemical reaction.
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Formation of Gas
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When chemical reaction produces a gas.
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Temperature Change
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Most chemical reactions involve a temperature change.
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Synthesis
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A new compound is formed by the combination of simpler reactants.
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Decomposition
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A reluctant break down into simpler products.
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Combustion
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The burning of methane when carbon and hydrogen atoms combine with oxygen.
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Concentration
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Measures the number of particles present in a certain volume.
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Catalysts
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A substance that increases the rate of a chemical reaction but is not itself consumed in the reaction.
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Law of conservation of mass
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States that in a chemical reaction atoms are neither created nor destroyed
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Coefficients
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Indicate how many molecules take part in the reaction.
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Balanced Chemical Equation
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Shows that no matter how atoms are rearranged during a chemical reaction, the same number of atoms must be present before and after the reaction.
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Bond energy
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Energy associated with bonds.
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Exothermic Reaction
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A reaction in which energy is released.
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Endothermic Reaction
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Absorbed energy
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Photosynthesis
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Plants absorb energy from sunlight to turn carbon dioxide and water into oxygen and glucose.
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Respiration
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When living cells obtain energy from glucose molecules.
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