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Predicting products in Chemical RXN'z

Total questions: 40

Worksheet time: 1hrs 11mins

Name
Class
Date
1.

What are the products of this reaction?

Cu+ AgNO3 -->

a)

Cu(NO3)2+Ag

b)

Cu + NO3 + Ag

c)

CuAg+NO3

d)

Cu+ AgNO3

2.

What are the correct formulas and coefficients for the products of the following CSR?

Mg + Al(OH)3 →

a)

No Reaction

b)

Al + Mg(OH)3

c)

Al + Mg(OH)2

d)

MgAl + (OH)3

3.

According to the activity series, which of the following single replacement reactions can occur?

a)

Ca + Al2(SO4)3

b)

Fe + NaOH

c)

Ni + MgSO4

d)

Al + KOH

4.

What type of chemical reaction is this one?

Al(OH)3 --> Al2O3 + H2O

a)

Decomposition

b)

Combustion

c)

Synthesis

d)

Single Replacement

5.

Based on the activity series, which metal could X represent in the reaction below?

X + Ca (NO3)2 --> Ca + X (NO3)2

a)

Sr

b)

Na

c)

Mg

d)

Zn

6.
In writing a chemical equation that produces hydrogen gas, the correct representation of hydrogen gas is
a)
2H
b)
OH
c)
H
d)
H2
7.

What type of reaction is this?

2 C6H14 + 19 O2 --> 12 CO2 + 14 H2O

a)

Single Replacement

b)

Double Replacement

c)

Combustion

d)

Decomposition

8.

What are the products of the reaction: MgCO3 ->?

a)

MgCO3 + O2

b)

MgO + O2

c)

MgO+ CO2

d)

MgC + O2

9.

What are the products of this reaction?

Zn(s) + H2SO4(aq) -->

a)

Zn(SO4)2 + H

b)

ZnSO4 + H2

c)

ZnSO4 + H

d)

Zn2SO4 + H2

e)

No reaction

10.

What are the products of this reaction:

C2H4 + O2 -->

a)

C2O2 + H4

b)

CO2 + H2 + O2

c)

CO + H

d)

CO2 + H2O

e)

No Reaction

11.
To predict if a single replacement reaction will take place you should use a(n)
a)
Activity series
b)
Solubility Chart
c)
Periodic Table
d)
Metal chart
12.

To predict if a double replacement reaction will take place you should use a(n)

a)

Activity series

b)

Solubility Chart

c)

Periodic Table

d)

Metal chart

13.
Write the balanced equation for octane (C8H18) combusting
a)
C8H18 + 8O2 --> 8CO2 + 9H2O
b)
C8H18 + 17O2 --> 8CO2 + 9H2O
c)
2C8H18 + 25O2 --> 16CO2 + 18H2O
d)
C8H18 + O2 --> CO2 + H2O
14.
The symbol for a substance dissolved in water is
a)
(s)
b)
(l)
c)
(g)
d)
(aq)
15.
Type of Reaction? 
____ PbSO4 + ____ AgNO3 =>   
a)
Single Replacement
b)
Combustion
c)
Decomposition
d)
Double Replacement
16.
Type of Reaction? 
____ HBr + ____ Fe => 
a)
Single Replacement
b)
Combustion
c)
Decomposition
d)
Double Replacement
17.
Balance the equation: What is the coefficient on the hydrogen gas? 
 H2 + O2 =>    H2O    
a)
2
b)
3
c)
1
d)
4
18.
Which of the following is a product of the equation:

Cl2  +  KBr  => 
a)
BrCl
b)
K2
c)
KCl
19.

Which of the following is a product of the equation:


AgNO3 + MgCl2 =>

a)

AgMg

b)

NO3Cl2

c)

MgNO3

d)

Mg(NO3)2

20.
Which of the following is a product of the reaction and BALANCED: 
K + Cl2 => 
a)
Cl
b)
KCl
c)
2 KCl
d)
2 K2Cl
21.
Which of the following is a product of the reaction and BALANCED:
 
Al + O2 => 
a)
2 AlO
b)
AlO
c)
2 Al2O3
d)
Al2O3
22.
Which of the following is a product of the reaction and BALANCED:
 
H2SO4 + BaCl2 =>   
a)
2 BaSO4
b)
2 HCl
c)
HCl
d)
H2Ba
23.

Write a balanced reaction for this reaction.

Zn(s) + H2S(aq) →

a)

ZnS + H

b)

ZnS + H2

c)

ZnS2 + H

d)

Zn2S + H2

24.

What are the products for this combustion reaction:

C2H4 + 2 O2 -->

a)

C2O2 + H4

b)

CO2 + HOH

c)

CO + H

d)

CO2 + H2O

25.
Predict the products for the this reaction:
K + HCl --> 
a)
KCl + H2
b)
KHCl 
c)
KH + Cl2
d)
KCl + H
26.

Predict the products for the this reaction.

Ag3N + KCl →

a)

AgCl + K3N

b)

AgK + ClN3

c)

AgN3 + KCl

d)

KAg + N3Cl

27.

What is the generic formula for a single replacement reaction? [ A is a metal]

a)

A + BC ---> CA + B

b)

A + BC ---> BC + A

c)

A + BC ---> AB + C

d)

A + BC ---> AC + B

28.

What are the products of fluorine reacting with potassium phosphide

a)

F + KP → K + FP

b)

F2 + K3P → F2K3 + P

c)

F2 + K3P → KF + P

d)

F2 + K3P → KF + P2

29.
An element plus additional element reacts to form one product is an example of which type of chemical reaction? 
a)
combustion
b)
decomposition 
c)
synthesis 
d)
single replacement
30.

In a combustion reaction, one of the reactants is ____.

a)

carbon

b)

oxygen

c)

hydrogen

d)

nitrogen

31.

The equation H3PO4 + 3KOH --> K3PO4 + 3H2O is an example of which type of reaction?

a)

combustion

b)

decomposition

c)

single replacement

d)

double replacement

e)

synthesis

32.

Predict the product of this synthesis reaction:

Al + S₈ →

a)

AlS

b)

AlS8

c)

Al2S

d)

Al2S3

33.

In a reaction, aqueous barium chloride reacts with aqueous potassium carbonate to produce solid barium carbonate and aqueous potassium chloride. what is the correct balanced equation.

a)

Ba2Cl(aq) + KCO3(aq) --> BaCO3(s) + KCl(aq)

b)

BaCl2(aq) + K2CO3(aq) --> BaCO3(s) + 2KCl(aq)

c)

BaCl(aq) + K2CO3(aq) --> BaCO3(s) + K2Cl(aq)

d)

Ba2Cl2(aq) + KCO3(aq) --> Ba2CO3(s) + KCl2(aq)

34.
When balancing equations a ____ can be placed to the left of a formula of a substance to make the equations balanced
a)
charge
b)
subscript
c)
random number
d)
coefficient
35.

Hydrogen gas and nitrogen gas react in a synthesis reaction to form ammonia (NH3). If the 'before' box represents the reactants, which box correctly represents the contents after the reaction is complete? (Hint: first write a balanced eqn.)

a)

A

b)

B

c)

C

d)

D

e)

E

36.

Sulfur (S) reacts with oxygen gas to form sulfur trioxide. (Write a balanced equation). Which box would be correct for the end of the reaction, given the quantities of reactants in the 'before' box?

a)

A

b)

B

c)

C

d)

D

e)

E

37.

The diagram shown represents the reaction of red A with blue B. Write a balanced equation for this reaction.

a)

8 A + 4 B2 --> 4 A2B2

b)

2 A + 2 B2 --> 4 A2B2

c)

2 A + B2 --> A2B2

d)

2 A + B2 --> 2 A2B2

38.

Which of the following equations best represents the chemical reaction between phosphorous (P4) and oxygen (O2) shown?

a)

3 P4 + 10 O2 --> 4 P2O5 + P4

b)

3 P4 + 10 O2 --> 4 P2O5

c)

P4 + 5 O2 --> 2 P2O5

d)

2 P4 + 10 O2 --> 4 P2O5

e)

2 P4 + 5 O2 --> 2 P2O5 + P4

39.

Carbon monoxide (CO) reacts with hydrogen gas to make methanol (CH4O). Red = oxygen, black = carbon and white = hydrogen. Write a balanced equation for this reaction. For the reactants shown, how many methanol molecules will form?

a)

three

b)

four

c)

five

d)

six

e)

Cannot be determined

40.

Hydrogen and oxygen react explosively to form water (write the balanced equation). If the explosion is louder if more water is formed, which balloon will make the loudest noise?

a)

A

b)

B

c)

C

d)

D

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