CHEMICAL REACTIONS

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Last updated 4:16 PM on 6/2/26
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16 Terms

1
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What is a reactant?

Starting substance in a reaction

2
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What is a product?

Substance formed in a reaction

3
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What is a skeleton equation?

Unbalanced chemical equation

4
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What is a balanced equation?

Equation with equal numbers of atoms on both sides

5
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What is a coefficient?

Number placed before a chemical formula

6
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What does the arrow mean?

Yields or produces

7
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What does Δ mean?

Heat added

8
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What does (s) mean?

Solid

9
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What does (l) mean?

Liquid

10
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What does (g) mean?

Gas

11
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What does (aq) mean?

Aqueous or dissolved in water

12
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What is a synthesis reaction?

Two substances combine into one

13
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What is a decomposition reaction?

One substance breaks apart

14
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What is a single replacement reaction?

One element replaces another

15
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What is a double replacement reaction?

Positive ions exchange partners

16
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What is a combustion reaction?

Reaction with oxygen producing energy