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Unit 5 Chemical Reactions Formative 2025--bhs

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Last updated 22 days ago
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Question 1
1.

List the coefficients that would balance the following chemical equation:

____H2(CO3) + ____Mg(OH)2 ---> ____H2O + ____Mg(CO3)

Separate each coefficient by using commas only, NO SPACES.

Question 2
2.

List the coefficients that would balance the following chemical equation:

____(NH4)(NO3) ---> ____N2O + ____H2O

Separate each coefficient by using commas only, NO SPACES.

Question 3
3.

List the coefficients that would balance the following chemical equation:

____Ag2(CrO4) + ____Zn ---> ____Zn(CrO4) + ____Ag

Separate each coefficient by using commas only, NO SPACES.

Question 4
4.

List the coefficients that would balance the following chemical equation:

____C7H6O3 + ____O2 ---> ____CO2 + ____H2O

Separate each coefficient by using commas only, NO SPACES.

Question 5
5.

List the coefficients that would balance the following chemical equation:

____H2(SO4)+ ____NaCl ---> ____Na2(SO4) + ____HCl

Separate each coefficient by using commas only, NO SPACES.

Question 6
6.

List the coefficients that would balance the following chemical equation:

____Cl2+ ____Al---> ____AlCl3

Separate each coefficient by using commas only, NO SPACES.

Question 7
7.

List the coefficients that would balance the following chemical equation:

____Al2(SO4)3+ ____Ca(OH)2---> ____Al(OH)3 + ____Ca(SO4)

Separate each coefficient by using commas only, NO SPACES.

Question 8
8.

List the coefficients that would balance the following chemical equation:

____C12H26+ ____O2---> ____CO2 + ____H2O

Separate each coefficient by using commas only, NO SPACES.

Question 9
9.

List the coefficients that would balance the following chemical equation:

____Cu+ ____O2---> ____CuO

Separate each coefficient by using commas only, NO SPACES.

Question 10
10.

List the coefficients that would balance the following chemical equation:

____BN+ ____F2---> ____BF3 + ____N2

Separate each coefficient by using commas only, NO SPACES.

Question 11
11.

List the coefficients that would balance the following chemical equation:

____H3(PO4)+ ____Zn---> ____H2+ ____Zn3(PO4)2

Separate each coefficient by using commas only, NO SPACES.

Question 12
12.

List the coefficients that would balance the following chemical equation:

____K(OH)+ ____H2(C2O4)--> ____H2O + ____K2(C2O4)

Separate each coefficient by using commas only, NO SPACES.

Question 13
13.

List the coefficients that would balance the following chemical equation:

____Fe(OH)2 --> ____FeO + ____H2O

Separate each coefficient by using commas only, NO SPACES.

Question 14
14.

Question 15
15.

Question 16
16.

Question 17
17.

Question 18
18.

Question 19
19.

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Question 20
20.

Question 21
21.

Question 22
22.

Question 23
23.

Question 24
24.

Question 25
25.

Question 26
26.

Question 27
27.
Magnesium metal reacts with aqueous nickel I acetate.
1
1
1
Liquid Butanol (C4H9OH) burns in the presence of oxygen gas.
1
1
1
Aqueous lithium hydroxide reacts with aqueous oxalic acid.
1
1
1
Solid sodium chloride decomposes when heated.
1
1
1
Magnesium will replace hydrogen in hot water during a single replacement reaction.
True
False
Iron will replace copper a single replacement reaction.
True
False
Calcium sulfate is soluble in water.
True
False
Mercurous chloride is insoluble in water.
True
False
A reaction between aqueous solutions of barium nitrate and ammonium chloride will form a precipitate of barium chloride.
True
False
Match the following chemical reaction symbols to their correct description.
yields
(l)
requires a catalyst
(aq)
aqueous solution
--->
solid
----MnO2--->
requires heat
(s)
liquid
----Δ--->
What evidence of a chemical reaction is evident in each scenario? Select all that apply.

Lighting or using a Bunsen burner in lab.
color change
light/spark
gas produced
no reaction
sound
new odor
temperature change
precipitation formation
What evidence of a chemical reaction is evident in each scenario? Select all that apply.

Sodium bicarbonate and acetic acid are used to make a volcano demonstration.
no reaction
gas produced
precipitation formation
temperature change
sound
light/spark
color change
new odor
What evidence of a chemical reaction is evident in each scenario? Select all that apply.

A piece of copper wire is coiled to make a spring in a circuit board.
gas produced
light/spark
precipitation formation
no reaction
temperature change
sound
color change
new odor
What evidence of a chemical reaction is evident in each scenario? Select all that apply.

Two clear liquids are mixed and a bright yellow substance settles on the bottom of the container.
light/spark
color change
temperature change
no reaction
new odor
sound
gas produced
precipitation formation
What evidence of a chemical reaction is evident in each scenario? Select all that apply.

Lithium metal is dropped in a container of water. The lithium sample pops and sizzles on top of the water and the test tube feels warm to the touch.
gas produced
new odor
no reaction
precipitation formation
sound
color change
light/spark
temperature change
What evidence of a chemical reaction is evident in each scenario? Select all that apply.

Calcium chloride is dissolved in water to heat the food in MREs ( meals ready to eat) in the military.
precipitation formation
light/spark
temperature change
new odor
gas produced
sound
no reaction
color change
What evidence of a chemical reaction is evident in each scenario? Select all that apply.

Red food color is dropped into a cup of water to dye eggs.
gas produced
no reaction
new odor
precipitation formation
temperature change
color change
sound
light/spark
Fe(OH)2 --> FeO + H2O
C7H6O3 + O2 ---> CO2 + H2O
(NH4)(NO3) ---> N2O + H2O
H2(SO4) + NaCl ---> Na2(SO4) + HCl
H3(PO4) + Zn---> H2 + Zn3(PO4)2
Cl2+ Al---> AlCl3
Al2(SO4)3 + Ca(OH)2---> Al(OH)3 + Ca(SO4)
H2(CO3) + Mg(OH)2 ---> H2O + Mg(CO3)
BN + F2--->BF3 + N2
C12H26 + O2---> CO2 + H2O
Cu + O2---> CuO
Ag2(CrO4) + Zn ---> Zn(CrO4) + Ag
K(OH) + H2(C2O4)--> H2O + K2(C2O4)
Synthesis
Decomposition
Single Replacement
Double Replacement
Combustion
Neutralization
Question 28
28.

What type of reaction is this?

Question 29
29.

What are the products of this reaction?

Write the chemical formulas in the following form:

AB+CD. NO SPACES

Question 30
30.

List the coefficients that balance this equation.

Use commas to separate with NO spaces.

Question 31
31.

What type of reaction is this?

Question 32
32.

What are the products of this reaction?

Write the chemical formulas in the following form:

AB+CD. NO SPACES

Question 33
33.

List the coefficients that balance this equation.

Use commas to separate with NO spaces.

Question 34
34.

What type of reaction is this?

Question 35
35.

What are the products of this reaction?

Write the chemical formulas in the following form:

AB+CD. NO SPACES

Question 36
36.

List the coefficients that balance this equation.

Use commas to separate with NO spaces.

Question 37
37.

What type of reaction is this?

Question 38
38.

What are the products of this reaction?

Write the chemical formulas in the following form:

AB+CD. NO SPACES

Question 39
39.

List the coefficients that balance this equation.

Use commas to separate with NO spaces.