Free Printable Spring Semester '23 Review

1.

What type of reaction is represented?

If the reaction will not take place, then there is no reaction.

$LiCl\ +\ Au\ \rightarrow\ AuCl\ +\ Li$

a)

Combustion

b)

No Reaction

c)

Single Replacement

d)

Synthesis

2.

What type of reaction is represented?

If the reaction will not take place, then there is no reaction.

$2Li\ +\ Cl_2\ \rightarrow\ \ 2LiCl$

a)

Combustion

b)

No Reaction

c)

Single Replacement

d)

Synthesis

3.

What type of reaction is represented?

If the reaction will not take place, then there is no reaction.

$2NaNO_3\ +\ MgSO_4\ \leftrightarrow\ Na_2SO_4\ +Mg\left(NO_3\right)_2$

a)

Combustion

b)

No Reaction

c)

Single Replacement

d)

Double Replacement

4.

What type of reaction is represented?

If the reaction will not take place, then there is no reaction.

$C_3H_8\ +\ 5O_2\ \rightarrow\ 3CO_2\ +4H_2O$

a)

Combustion

b)

No Reaction

c)

Single Replacement

d)

Double Replacement

5.

What type of reaction is represented?

If the reaction will not take place, then there is no reaction.

$6Na\ +\ Al_2S_3\ \rightarrow\ 2Al\ +3Na_2S$

a)

Combustion

b)

No Reaction

c)

Single Replacement

d)

Double Replacement

6.

What type of reaction is represented?

If the reaction will not take place, then there is no reaction.

$H_2CO_3\ \rightarrow\ H_2O+CO_2$

a)

Combustion

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

7.

Losing electrons is

(a)

8.

Gaining electrons is

(a)

9.

Is this a redox reaction?

$NaCl\ +LiF\ \leftrightarrow\ LiCl\ +\ NaF$

a)

Yes

b)

No

10.

Is this a redox reaction?

$NaCl\ +Li\ \rightarrow\ LiCl\ +\ Na$

a)

Yes

b)

No

11.

Which of the following best describes what a reducing agent is?

a)

The reducing agent is the element that is being reduced.

b)

The reducing agent is the element that is being oxidized.

c)

The reducing agent is the element that is gaining electrons.

d)

The reducing agent is the element that is doing the oxidization.

12.

Which of the following best describes what an oxidizing agent is?

a)

The reducing agent is the element that is being reduced.

b)

The reducing agent is the element that is being oxidized.

c)

The reducing agent is the element that is gaining electrons.

d)

The reducing agent is the element that is doing the oxidization.

13.

What is the reducing agent in the following equation?

$NaCl\ +\ Li\ \rightarrow\ LiCl\ +\ Na$

a)

Sodium

b)

Lithium

c)

Chlorine

14.

What is the oxidizing agent in the following equation?

$NaCl\ +\ Li\ \rightarrow\ LiCl\ +\ Na$

a)

Sodium

b)

Lithium

c)

Chlorine

15.

What is being oxidized in the following equation?

$2H_2O\ +\ Cl_2\ +SO_2\ \rightarrow\ 2HCl\ +H_2SO_4$

a)

Hydrogen

b)

Oxygen

c)

Chlorine

d)

Sulfur

16.

What is being reduced in the following equation?

$2H_2O\ +\ Cl_2\ +SO_2\ \rightarrow\ 2HCl\ +H_2SO_4$

a)

Hydrogen

b)

Oxygen

c)

Chlorine

d)

Sulfur

17.

What values for a, b, and c will make the equation balanced?

$aP_4O_{10}\ +bH_2O\ \rightarrow\ cH_3PO_4$

a)

a = 1

b = 3

c = 2

b)

a = 5

b = 2

c = 5

c)

a = 1

b = 6

c = 4

d)

a = 3

b = 18

c = 12

18.

What values for a, b, c, d, and e will make the equation balanced?

$a\left(NH_4\right)_2S\ +bMgO\ \rightarrow\ cNH_3\ +\ dH_2O\ +\ eMgS$

a)

a = 1

b = 3

c = 2

d = 4

e = 1

b)

a = 2

b = 3

c = 6

d = 1

e = 1

c)

a = 1

b = 1

c = 2

d = 1

e = 1

d)

a = 1

b = 1

c = 2

d = 2

e = 1

19.

What values for a, b, c, and d will make the equation balanced? Assume $\frac{y}{2}$ is a positive whole number and is even.

$aC_xH_y\ +bO_2\ \rightarrow\ cCO_2\ +dH_2O$

a)

$a\ =\ 1$

$b\ =\ \frac{\left(\frac{y}{2}+2x\right)}{2}$

$c\ =\ x$

$d\ =\frac{y}{2}$

b)

$a=2$

$b=\frac{y}{2}+2x$

$c\ =\ 2x$

$d\ =\ y$

c)

not enough information is provided

20.

What is the empirical and molecular formulas for the compound containing 30.4% N and 69.6% O. The molar mass of the compound is 92.02 g/mol.

a)

$EF:\ NO_2$ $MF:\ N_2O_4$

b)

$EF:\ NO_3$ $MF:\ NO_3$

c)

$EF:\ N_2O_4$ $MF:\ NO_2$

d)

$EF:\ N_2O_3$ $MF:\ N_4O_6$

21.

____ _____ refers to the ratio between the coefficients of any compound involved in a balanced chemical reaction

(a)

22.

What is the mole ratio of hydrochloric acid and hydrogen gas in the equation?

$2HCl\ +Zn\ \rightarrow\ ZnCl_2\ +\ H_2$

a)

2:1

b)

1:2

c)

1:1

d)

2:2

23.

What is the mole ratio of hydrochloric acid and zinc in the equation?

$2HCl\ +Zn\ \rightarrow\ ZnCl_2\ +\ H_2$

a)

2:1

b)

1:2

c)

1:1

d)

2:2

24.

What is the mole ratio of zinc and hydrogen gas in the equation?

$2HCl\ +Zn\ \rightarrow\ ZnCl_2\ +\ H_2$

a)

2:1

b)

1:2

c)

1:1

d)

2:2

25.

How many moles of oxygen are needed to react with 3 moles of phosphine?

$PH_3\ +2O_2\ \rightarrow\ H_3PO_4$

a)

6

b)

3

c)

1.5

d)

5

26.

How many grams of oxygen are needed to react with 3 moles of phosphine?

$PH_3\ +2O_2\ \rightarrow\ H_3PO_4$

a)

192 g

b)

96 g

c)

48 g

d)

160 g

27.

How many grams of mercury (II) chloride are produced from 45 mL of hydrochloric acid and excess mercury (I) nitrate? The density of hydrochloric acid is 1.2 g/mL.

$Hg_2\left(NO_3\right)_2\ +4HCl\ \rightarrow\ 2HgCl_2\ +\ 2H_2O\ +\ 2NO_2$

a)

201.1 g

b)

167.5 g

c)

135.8 g

d)

4021 g

28.

6 mg of lithium reacts with 6 mg of sulfur. Which one is the limiting reagent? $2Li\ +S\ \rightarrow\ Li_2S$

a)

Lithium

b)

Sulfur

c)

None of them.

d)

Both of them.

29.

6 mg of lithium reacts with 6 mg of sulfur. Which one is the excess reagent? $2Li\ +S\ \rightarrow\ Li_2S$

a)

Lithium

b)

Sulfur

c)

None of them.

d)

Both of them.

30.

425 g of arsenic were collect when 1.187 kg (di)arsenic trioxide reacts with excess graphite (carbon). What was the percent yield?

a)

93.6%

b)

50%

c)

100%

d)

36.5%

31.

How many grams of NaCl are needed to make a 3 M solution in a 2 L flask?

a)

350.66 g

b)

435.66 g

c)

123.66 g

d)

256.66 g

32.

Geo wants to make a 400 mM solution in a 450 mL flask. The stock solution is 6 M. How much of the stock solution should Geo take?

a)

4.6 L

b)

30 mL

c)

30 kL

d)

46 μL

33.

100 g of water was heated to 80 degrees C. About 57 g of potassium dichromate was dissolved in it. What best describes the solution?

a)

Unsaturated

b)

Supersaturated

c)

Saturated

34.

100 g of water was cooled to 10 degrees C. About 70 g of ammonia was dissolved in it. THe solution was allowed to slowly heat up to 25 degrees C. What best describes the solution?

a)

Unsaturated

b)

Supersaturated

c)

Saturated

35.

A solution was agitated and immediately began to crystalize. What best describes the solution?

a)

Unsaturated

b)

Supersaturated

c)

Saturated

36.

A more solute was placed into a solution and precipitated out. What best describes the solution?

a)

Unsaturated

b)

Supersaturated

c)

Saturated

37.

A solute completely dissolved in a solvent. What best describes the solution?

a)

Unsaturated

b)

Supersaturated

c)

Saturated

38.

(a) dissolve better in liquid solvents if the solvent is cold and under high pressure.

39.

(a) dissolve better in liquid solvents if the solvent is hot and under low pressure.

40.

Which of the following reactions will produce a precipitate?

a)

Lithium chromate and Nitric acid

b)

Sodium iodide and Calcium sulfide

c)

Nickel (II) nitrate and Potassium carbonate

d)

Silver iodide and Calcium fluoride

41.

What is the volume ratio of hydrogen gas to water vapor in the equation?

$2H_2\ +\ O_2\ \rightarrow\ 2H_2O$

a)

2:1

b)

1:1

c)

1:2

42.

Gary blew up a 2 L balloon with hydrogen gas. The gas was held at 20 degrees C. 120 moles of hydrogen gas was released into the balloon. What was the pressure of the balloon in atm?

a)

1443.3 atm

b)

98.5 atm

c)

17580 atm

d)

146089.8 atm

43.

A tire during the morning at a pressure of 0.987 atm. The temperature was recorded to be 20 degrees C in the morning and then 27 degrees C in the afternoon. What is the pressure of the tire in the afternoon?

a)

1.01 atm

b)

1.33 atm

c)

2.68 atm

d)

0.987 atm

44.

A balloon contained 15.0 moles of ammonia held at a temperature of 15 degrees C, a pressure of 2.00 atm, and a volume of 1.00 L. More ammonia was added to the balloon and the new temperature was 27 degrees, new pressure was 2.50 atm, and new volume was 1.98 L. How many moles of ammonia are now present in the balloon?

a)

35.6 mol

b)

40.7 mol

c)

26.8 mol

d)

50.7 mol

45.

How many liters of chlorine gas are needed to completely react with 3 moles of ammonia at STP?

$8NH_3\ +\ 3Cl_2\ \rightarrow\ N_2\ +6NH_4Cl$

a)

25.2 L

b)

7.46 L

c)

1.125 L

d)

201.6 L

46.

How many liters of chlorine gas are needed to completely react with 3 moles of ammonia at 50 degrees C and 4 atm?

$8NH_3\ +\ 3Cl_2\ \rightarrow\ N_2\ +6NH_4Cl$

a)

25.2 L

b)

7.46 L

c)

1.125 L

d)

201.6 L

47.

How many liters of chlorine gas are needed to completely react with 3 L of ammonia at 50 degrees C and 4 atm?

$8NH_3\ +\ 3Cl_2\ \rightarrow\ N_2\ +6NH_4Cl$

a)

25.2 L

b)

7.46 L

c)

1.125 L

d)

201.6 L

48.

How many liters of chlorine gas are needed to completely react with 3 L of ammonia at 50 degrees C and 4 atm?

$8NH_3\ +\ 3Cl_2\ \rightarrow\ N_2\ +6NH_4Cl$

a)

25.2 L

b)

7.46 L

c)

1.125 L

d)

201.6 L

49.

Which of the following is an Arrhenius base?

a)

$NaOH$

b)

$NH_3$

c)

$HCl$

d)

$NaCl$

50.

Which of the following is an Bronsted base?

a)

$NaOH$

b)

$NH_3$

c)

$HCl$

d)

$NaCl$

51.

According to Bronsted, acids are proton (a) .

52.

According to Bronsted, bases are proton (a) .

53.

What is the name of the compound?

$H_3PO_3$

a)

Hydrophosphoric Acid

b)

Phosphoric Acid

c)

Hydrophosphorous Acid

d)

Phosphorous Acid

54.

What is the name of the compound?

$HNO_3$

a)

Hydronitric Acid

b)

Nitric Acid

c)

Hydronitrous Acid

d)

Nitrous Acid

55.

What is the name of the compound?

$H_2S$

a)

Hydrosulfuric Acid

b)

Sulfuric Acid

c)

Hydrosulfurous Acid

d)

Sulfrous Acid

56.

Acid base reactions always a (a)

57.

What are the products of a hydroxide base and an acid?

a)

Water and a Salt

b)

Water, Carbon Dioxide, and a Salt

c)

Hydrogen Gas and a Salt

d)

a Salt

58.

What are the products of a hydride base and an acid?

a)

Water and a Salt

b)

Water, Carbon Dioxide, and a Salt

c)

Hydrogen Gas and a Salt

d)

a Salt

59.

What are the products of a carbonate or bicarbonate base and an acid?

a)

Water and a Salt

b)

Water, Carbon Dioxide, and a Salt

c)

Hydrogen Gas and a Salt

d)

a Salt

60.

A solution was dipped into litmus paper and changed blue. The solution is a(n):

a)

acid

b)

base

c)

neutral

61.

A solution was dipped into litmus paper and changed red. The solution is a(n):

a)

acid

b)

base

c)

neutral

62.

When phenolphthalein was added to a solution, the solution remained colorless. The solution is best described as a(n):

a)

acid

b)

base

c)

neutral

63.

1 g of sodium was placed into a solution and there was no reaction. The solution is best described as a(n):

a)

acid

b)

base

c)

neutral

64.

A solutions can donate and accept protons. The solution is best described as a(n):

a)

acid

b)

base

c)

neutral

65.

A solutions can donate and accept protons. The solution is best described as a(n):

a)

acid

b)

base

c)

neutral

66.

What is the concentration of protons if the pH is 4.51?

a)

$10^{-4.51}\ M$

b)

$10^{4.51}\ M$

c)

$-4.51^{10}\ M$

d)

$4.51^{10}\ M$

67.

What is the concentration of protons if the pOH is 4.51?

a)

$10^{-4.51}\ M$

b)

$10^{4.51}\ M$

c)

$10^{-9.49}\ M$

d)

$10^{9.49}\ M$

68.

What is the neutral pH range?

a)

7

b)

6.5 - 7.5

c)

6 - 8

d)

5.5 - 8.5

69.

The pH of a solution is read at 5.3. The solution is best described as a(n):

a)

acid

b)

base

c)

neutral

70.

The pH of a solution is read at 10.3. The solution is best described as a(n):

a)

acid

b)

base

c)

neutral

71.

The pH of a solution is read at 6.9. The solution is best described as a(n):

a)

acid

b)

base

c)

neutral

72.

The pOH of a solution is read at 7. The solution is best described as a(n):

a)

acid

b)

base

c)

neutral

73.

The pOH of a solution is read at 10.3. The solution is best described as a(n):

a)

acid

b)

base

c)

neutral

74.

The pOH of a solution is read at 5.3. The solution is best described as a(n):

a)

acid

b)

base

c)

neutral

75.

The concentration of protons in solution is $10^{-3.24}\ M$ . The solution is best described as a(n):

a)

acid

b)

base

c)

neutral

76.

The concentration of protons in solution is $10^{-8.24}\ M$ . The solution is best described as a(n):

a)

acid

b)

base

c)

neutral

77.

The concentration of protons in solution is $10^{-7.04}\ M$ . The solution is best described as a(n):

a)

acid

b)

base

c)

neutral

78.

What is the formula for hydrobromic acid?

a)

$HBr$

b)

$HBrO_3$

c)

$HBrO_2$

d)

$HBrO_4$

79.

What is the correct formula for nitrous acid?

a)

$NH_3$

b)

$HN_3$

c)

$HNO_3$

d)

$HNO_2$

80.

What is the correct formula for chloric acid?

a)

$HCl$

b)

$HClO_3$

c)

$HClO_2$

d)

$HClO_4$

81.

How many Calories are in 2,686 J?

0.001 Cal = 1 cal = 4.18 J

a)

0.6420 Cal

b)

.2568 Cal

c)

6420 Cal

d)

2568 Cal

82.

How much heat (in J) is required to raise the temperature of 50.7 g of water by 15°C

a)

3180 J

b)

761 J

c)

.761 J

d)

205 J

83.

What is happening to the kinetic energy at point D?

a)

It is decreasing.

b)

It is increasing.

c)

It is zero.

d)

It is staying constant.

84.

What is happening at D?

a)

Sublimation

b)

Gas Phase

c)

Condensation

d)

Evaporation

or

Vaporization

85.

Is the equation below exothermic or endothermic? $heat\ +\ CaCO_3\ \rightarrow\ CaO\ +\ CO_2$

a)

Exothermic

b)

Endothermic

c)

Not enough information is provided.

86.

Does the graph show an exothermic or endothermic reaction?

a)

Exothermic

b)

Endothermic

c)

Not enough information is provided.

87.

Does the graph show an exothermic or endothermic reaction?

a)

Exothermic

b)

Endothermic

c)

Not enough information is provided.

88.

Is the equation below exothermic or endothermic? $pressure\ +\ CH_4\ +\ 2O_2\ \rightarrow\ CO_2\ +\ 2H_2O\ +\ heat$

a)

Exothermic

b)

Endothermic

c)

Not enough information is provided.

89.

The graph shows the combustion of yogurt. How many Calories were in the yogurt?

a)

5.80 Cal

b)

0.309 Cal

c)

0.584 Cal

d)

0.276 Cal

90.

What is happening to the kinetic energy at point C?

a)

It is decreasing.

b)

It is increasing.

c)

It is zero.

d)

It is staying constant.

91.

What is happening at point C?

a)

Condensation.

b)

Liquid Phase

c)

Solid Phase

d)

Gas Phase

92.

What is happening to the potential energy at point C?

a)

It is decreasing.

b)

It is increasing.

c)

It is zero.

d)

It is staying constant.

93.

What is happening to the potential energy at point D?

a)

It is decreasing.

b)

It is increasing.

c)

It is zero.

d)

It is staying constant.

94.

What is happening to kinetic and potential energy during sublimation?

a)

K.E.: Decreases

P.E.: Constant

b)

K.E.: Increases

P.E.: Constant

c)

K.E.: Constant

P.E.: Decreases

d)

K.E.: Constant

P.E.: Increases

95.

What is happening to kinetic and potential energy when hot water is cooled?

a)

K.E.: Decreases

P.E.: Constant

b)

K.E.: Increases

P.E.: Constant

c)

K.E.: Constant

P.E.: Decreases

d)

K.E.: Constant

P.E.: Increases

96.

How are you feeling so far?

4 lines

97.

Draw a picture of your favorite thing you learned in chemistry this year.

98.

Quick Question:

Cats or Dogs?

a)

Cats! I love their indepence and sassiness.

b)

Dogs! Goofy + loyal = the best companion.

c)

I hate pets >:(

d)

I like both!

99.

What is one thing that you wished we (the chemistry team) did this year?

4 lines

100.

Draw a picture of your favorite music artist.

Spring Semester '23 Review

Total questions: 100

Worksheet time: 1hrs 7mins

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