AnswersAL-Physical Science A- TAPDescribing Chemical Reactions

Describing Chemical Reactions Answers

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A (the entire green box): [___]

A
chemical equation
B
products
C
reacts to form
D
reactants
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B (the blue box): [___]

A
chemical equation
B
products
C
reacts to form
D
reactants
64845

C (the arrow): [___]

A
chemical equation
B
products
C
reacts to form
D
reactants
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D (the purple box): [___]

A
chemical equation
B
products
C
reacts to form
D
reactants
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When sugar is burned, water vapor and carbon dioxide are produced.

Answers:
Sugar has carbon atoms.:12
Sugar has hydrogen atoms.:22
Sugar has oxygen atoms.:11
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Calcium carbonate can break down to form calcium oxide and carbon dioxide.CaCO3 → CaO + CO2The oxygen atoms on the product side are

A
not balanced because there are only two oxygen atoms in CO2
B
not balanced because there is only one oxygen atom in CaO.
C
balanced because the total number of oxygen atoms is 3.
D
balanced when a coefficient of 3 is placed in front of CO2.

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