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18 Cards in this Set
- Front
- Back
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Active metals react with certain acids, to yield a metal compound and
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Hydrogen
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Name 4 clues for recognizing a chemical reaction
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Heat or light; color change; precipitate; bubbles (gas)
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What does (s), (l), (g), (aq) mean?
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solid; liquid; gas; aqueous (which means substance in water solution)
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In what kind of reaction does a single compound produce two or more simpler substances?
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decomposition
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How do you write oxygen, and hydrogen in a formula equation?
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O , H
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An element in the activity series can replace any element
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below it on the list
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A solid produced by a chemical reaction in solution that separates from the solution is called
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a precipitate
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What is the small whole number that appears in front of a formula in a chemical equation?
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coefficients
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The law of conservation of mass states the total mass of the reacting substances is
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always equal to the total mass of the products
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To balance a chemical equation, it may be necessary to adjust the
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coefficients
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AB -> A + B is the general equation for a
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decomposition reaction
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A + B -> AB is the general equation for
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synthesis
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The ability of an element to react is the element's
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electronegativity
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AB + CD -> AD + CB is the general equation for
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double replacement
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A + BC -> AC + B is the general equation for
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single replacement
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In what kind of reaction do two or more substances combine to form a new compound?
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synthesis reaction
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A chemical formula written over the arrow in a chemical equation signifies
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a catalyst for the reaction
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What can be predicted by using an activity series?
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whether a certain chemical reaction will occur
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