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12 Cards in this Set
- Front
- Back
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What is the law of conservation of matter?
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Matter is neither created nor destroyed.
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In a chemical formula, the substances on the left side are...
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reactants.
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In a chemical formula, the substances on the right side are...
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products.
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The number in front of the formula that shows how many molecules of reactants are needed to balance the formula is...
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coefficient
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Never change a ________ to balance a reaction, but instead change the __________.
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formula
coefficient |
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This reaction combines two or more substances into one single product...
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combination reaction or synthesis
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Reactions that take apart one substance resulting in more than one product such as the processing of crude oil...
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decomposition reaction.
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This reaction replaces one element with another. It has a compound and an element as a reactant...
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single-replacement reaction
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In this reaction two ionic reactants switch cations and anions. It usually takes place in aqueous (water) solutions...
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Double replacement
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A solid that settle out of a solution during a reaction...
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precipitate
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Reactions that give off heat such as the reaction that powers a car...
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exothermic
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Reactions that absorb heat...
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endothermic
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