AnswersAA-F26 Physical ScienceDescribing Chemical Reactions

Describing Chemical Reactions Answers

14 verified answers1 views
64843
Free Preview

Identify each part of this chemical equation, which describes the breakdown of water into hydrogen and oxygen.

Answers:
A (the entire green box)::chemical equation
B (the blue box)::reactants
C (the arrow)::reacts to form
D (the purple box)::products
64844

chemical equationproductsreacts to form✔ reactants

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

chemical equationproducts✔ reacts to formreactants

A
chemical equation
B
products
C
✔ reacts to form
D
reactants
64846

chemical equation✔ productsreacts to formreactants

A
chemical equation
B
✔ products
C
reacts to form
D
reactants
64847

12✔ 3

A
1
B
2
C
✔ 3
64848

12✔ 3

A
1
B
2
C
✔ 3
64853

42✔ 8

A
4
B
2
C
✔ 8
64854

42✔ 8

A
4
B
2
C
✔ 8
64860

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
64861

1112✔ 222435

A
11
B
12
C
✔ 22
D
24
E
35
64862

✔ 1112222435

A
✔ 11
B
12
C
22
D
24
E
35
64863

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.
64864

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

Did you find these answers helpful?