Question 1

Consider the following graph.   For the relationship shown on the graph,what are the values of m and b,respectively,in the equation,y = mx + b?

Accepted Answer

A) 8.00, 5.00 
B) 8.00, -1.60 
C) 1.60, 5.00 
D) 0.625, 8.00 
E) -1.60, 8.00 
A) 8.00, 5.00 
B) 8.00, -1.60 
C) 1.60, 5.00 
D) 0.625, 8.00 
E) -1.60, 8.00

Question 2

Complete the following operation:

Accepted Answer

A) 4.07 
B) 0.246 
C) 2.46 × 10-6 
D) 1.24 × 10-4 
E) 1.24 × 10-15 
A) 4.07 
B) 0.246 
C) 2.46 × 10-6 
D) 1.24 × 10-4 
E) 1.24 × 10-15

Question 3

Consider a situations in which where you are walking at 3.7 miles per hour.Which of the following is true of the Per expression given in this statement?

Accepted Answer

A) 3.7 mi = 1 hr 
B)    
C)    
D) Distance in miles is directly proportional to time in hours. 
E) All of these are true for the given Per expression. 
A) 3.7 mi = 1 hr 
B)    
C)    
D) Distance in miles is directly proportional to time in hours. 
E) All of these are true for the given Per expression.

Question 4

Convert 3.77 × 108 pL to mL,daL,and dL.1 pL = 10-12 L,1 dL = 10-1 L,1 daL = 101 L

Accepted Answer

A) 3.77 × 1023 mL, 3.77 × 1019 daL, 3.77 × 1021 dL 
B) 3.77 × 1017 mL, 3.77 × 1021 daL, 3.77 × 1019 dL 
C) 3.77 × 10-1 mL, 3.77 × 10-5 daL, 3.77 × 10-3 dL 
D) 3.77 × 10-4 mL, 3.77 × 10-5 daL, 3.77 × 10-3 dL 
E) 3.77 × 10-7 mL, 3.77 × 10-3 daL, 3.77 × 10-5 dL 
A) 3.77 × 1023 mL, 3.77 × 1019 daL, 3.77 × 1021 dL 
B) 3.77 × 1017 mL, 3.77 × 1021 daL, 3.77 × 1019 dL 
C) 3.77 × 10-1 mL, 3.77 × 10-5 daL, 3.77 × 10-3 dL 
D) 3.77 × 10-4 mL, 3.77 × 10-5 daL, 3.77 × 10-3 dL 
E) 3.77 × 10-7 mL, 3.77 × 10-3 daL, 3.77 × 10-5 dL

Question 5

A small gasoline can has a capacity of 0.50 gal.Express this in milliliters.1 gal = 3.785411784 L

Accepted Answer

A) 1.9 × 103 mL 
B) 1.9 × 10-3 mL 
C) 1.9 mL 
D) 1.3 × 102 mL 
E) 1.3 × 10-4 mL 
A) 1.9 × 103 mL 
B) 1.9 × 10-3 mL 
C) 1.9 mL 
D) 1.3 × 102 mL 
E) 1.3 × 10-4 mL

Question 6

Which of the following numbers are correctly expressed in exponential notation?
i.43,200,000 = 4.32 × 107
ii.0.000977 = 9.77 × 104
iii.606,000 = 6.06 × 10-5
iv.0.00000175 = 1.75 × 10-6

Accepted Answer

A) i and iv 
B) ii and iii 
C) i and iii 
D) ii and iv 
E) All are incorrect 
A) i and iv 
B) ii and iii 
C) i and iii 
D) ii and iv 
E) All are incorrect

Question 7

Complete the following operation: 9.370 × 10-5 - 2.25 × 10-6

Accepted Answer

A) 7.12 × 101 
B) 7.12 × 10-11 
C) -9.145 × 10-5 
D) 9.145 × 10-5 
E) 9.145 × 10-4 
A) 7.12 × 101 
B) 7.12 × 10-11 
C) -9.145 × 10-5 
D) 9.145 × 10-5 
E) 9.145 × 10-4

Question 8

Convert 275 kg to g,cg,and mg.

Accepted Answer

A) 2.75 × 10-1 g, 2.75 × 10-3 cg, 2.75 × 10-4 mg 
B) 2.75 ×10-1 g, 2.75 × 101 cg, 2.75 × 102 mg 
C) 2.75 × 105 g, 2.75 × 103 cg, 2.75 × 102 mg 
D) 2.75 × 105 g, 2.75 × 108 cg, 2.75 × 107 mg 
E) 2.75 × 105 g, 2.75 × 107 cg, 2.75 × 108 mg 
A) 2.75 × 10-1 g, 2.75 × 10-3 cg, 2.75 × 10-4 mg 
B) 2.75 ×10-1 g, 2.75 × 101 cg, 2.75 × 102 mg 
C) 2.75 × 105 g, 2.75 × 103 cg, 2.75 × 102 mg 
D) 2.75 × 105 g, 2.75 × 108 cg, 2.75 × 107 mg 
E) 2.75 × 105 g, 2.75 × 107 cg, 2.75 × 108 mg

Question 9

What will be the cost in dollars for photocopies if you have 32 pages in a booklet,you need 175 booklets,and copies are 4.5 cents each?

Accepted Answer

A) $12.44 
B) $24.61 
C) $39.68 
D) $252 
E) $25,200 
A) $12.44 
B) $24.61 
C) $39.68 
D) $252 
E) $25,200

Question 10

For a fixed amount of a gas at constant volume,the pressure (P)of the gas is directly proportional to its absolute temperature (T).Which of the following is the best choice for units of the proportionality constant that relates P and T in an equation?

Accepted Answer

A) atm/K 
B) atm/°C 
C) K/atm 
D) °C/atm 
E) °C • atm 
A) atm/K 
B) atm/°C 
C) K/atm 
D) °C/atm 
E) °C • atm

Question 11

Convert 17.4 nm to Mm,Gm,and Tm.1 nm = 10-9 m,1 Mm = 106 m,1 Gm = 109 m,1 Tm = 1012 m

Accepted Answer

A) 1.74 × 10-14 Mm, 1.74 × 10-17 Gm, 1.74 × 10-20 Tm 
B) 1.74 × 10-16 Mm, 1.74 ×10-19 Gm, 1.74 × 10-22 Tm 
C) 1.74 × 1016 Mm, 1.74 × 1019 Gm, 1.74 × 1022 Tm 
D) 1.74 × 1018 Mm, 1.74 ×1021 Gm, 1.74 × 1024 Tm 
E) 1.74 × 104 Mm, 1.74 × 101 Gm, 1.74 × 10-2 Tm 
A) 1.74 × 10-14 Mm, 1.74 × 10-17 Gm, 1.74 × 10-20 Tm 
B) 1.74 × 10-16 Mm, 1.74 ×10-19 Gm, 1.74 × 10-22 Tm 
C) 1.74 × 1016 Mm, 1.74 × 1019 Gm, 1.74 × 1022 Tm 
D) 1.74 × 1018 Mm, 1.74 ×1021 Gm, 1.74 × 1024 Tm 
E) 1.74 × 104 Mm, 1.74 × 101 Gm, 1.74 × 10-2 Tm

Question 12

Convert 373 liters to milliliters,centiliters,and kiloliters.

Accepted Answer

A) 0.373 mL, 373,000 cL, 37,300 kL 
B) 37,300 mL, 0.373 cL, 373,000 kL 
C) 373,000 mL, 37,300 cL, 0.373 kL 
D) 0.373 mL, 3.73 cL, 373,000 kL 
E) 3.73 mL, 0.373 cL, 373,000 kL 
A) 0.373 mL, 373,000 cL, 37,300 kL 
B) 37,300 mL, 0.373 cL, 373,000 kL 
C) 373,000 mL, 37,300 cL, 0.373 kL 
D) 0.373 mL, 3.73 cL, 373,000 kL 
E) 3.73 mL, 0.373 cL, 373,000 kL

Question 13

Acetone boils at 56 °C.Express this temperature in kelvins.

Accepted Answer

A) -329 K 
B) -217 K 
C) 133 K 
D) 217 K 
E) 329 K 
A) -329 K 
B) -217 K 
C) 133 K 
D) 217 K 
E) 329 K

Question 14

Assuming that all are measured quantities,complete the following operation and express the result in the correct number of significant figures.

Accepted Answer

A) 3.27 × 102 
B) 3.271 × 102 
C) 5.4 × 104 
D) 5.38 × 104 
E) 5.380 × 104 
A) 3.27 × 102 
B) 3.271 × 102 
C) 5.4 × 104 
D) 5.38 × 104 
E) 5.380 × 104

Question 15

What is the volume of 22 g of gold,which has a density of 19.3 g/cm3?

Accepted Answer

A) 21 cm3 
B) 3 cm3 
C) 1.1 cm3 
D) 0.88 cm3 
E) 4.2 × 102 cm3 
A) 21 cm3 
B) 3 cm3 
C) 1.1 cm3 
D) 0.88 cm3 
E) 4.2 × 102 cm3

Question 16

Pay is directly proportional to hours worked.What units would be appropriate for the proportionality constant in an equation that relates pay and hours worked?

Accepted Answer

A) dollars × hours 
B) hours × dollars 
C) dollars/hour 
D) hours/dollar 
E) hours2/dollar 
A) dollars × hours 
B) hours × dollars 
C) dollars/hour 
D) hours/dollar 
E) hours2/dollar

Question 17

Convert 32.7 m to km,cm,and mm.

Accepted Answer

A) 0.0327 km, 3270 cm, 32,700 mm 
B) 3270 km, 32,700 cm, 0.0327 mm 
C) 32,700 km, 0.0327 cm, 3270 mm 
D) 32,700 km, 0.327 cm, 0.0327 mm 
E) 32,700 km, 0.0327 cm, 0.327 mm 
A) 0.0327 km, 3270 cm, 32,700 mm 
B) 3270 km, 32,700 cm, 0.0327 mm 
C) 32,700 km, 0.0327 cm, 3270 mm 
D) 32,700 km, 0.327 cm, 0.0327 mm 
E) 32,700 km, 0.0327 cm, 0.327 mm

Question 18

A solution is prepared by adding 1.77 grams of sodium nitrate,2.4 grams of potassium chloride,and 0.973 gram of ammonium nitrite to 255 grams of water.Calculate the total mass of the solution and express the sum in the proper number of significant figures.

Accepted Answer

A) 2.6 × 102 g 
B) 2.60 × 102 g 
C) 2.601 × 102 g 
D) 2.6014 × 102 g 
E) 2.60143 × 102 g 
A) 2.6 × 102 g 
B) 2.60 × 102 g 
C) 2.601 × 102 g 
D) 2.6014 × 102 g 
E) 2.60143 × 102 g

Question 19

The energy of a photon of light is directly proportional to the frequency of that photon.Calculate the value of the proportionality constant,given that a photon of energy 4.4 × 10-19 J has a frequency of 6.7 × 1014/s.

Accepted Answer

A) 2.9 × 10-4 J/s 
B) 2.9 × 10-4 J . s 
C) 2.9 × 10-4 s/J 
D) 6.6 × 10-34 J/s 
E) 6.6 × 10-34 J . s 
A) 2.9 × 10-4 J/s 
B) 2.9 × 10-4 J . s 
C) 2.9 × 10-4 s/J 
D) 6.6 × 10-34 J/s 
E) 6.6 × 10-34 J . s

Question 20

The meter stick in the image is being used to measure the length of a piece of wood.   How many significant figures should be used to express this measured length?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) 5 
A) 1 
B) 2 
C) 3 
D) 4 
E) 5

Exam 3: Measurement and Chemical Calculations

Consider the following graph. For the relationship shown on the graph,what are the values of m and b,respectively,in the equation,y = mx + b?

Complete the following operation:

Consider a situations in which where you are walking at 3.7 miles per hour.Which of the following is true of the Per expression given in this statement?

Convert 3.77 × 108 pL to mL,daL,and dL.1 pL = 10-12 L,1 dL = 10-1 L,1 daL = 101 L

A small gasoline can has a capacity of 0.50 gal.Express this in milliliters.1 gal = 3.785411784 L

Which of the following numbers are correctly expressed in exponential notation? i.43,200,000 = 4.32 × 107 ii.0.000977 = 9.77 × 104 iii.606,000 = 6.06 × 10-5 iv.0.00000175 = 1.75 × 10-6

Complete the following operation: 9.370 × 10-5 - 2.25 × 10-6

Convert 275 kg to g,cg,and mg.

What will be the cost in dollars for photocopies if you have 32 pages in a booklet,you need 175 booklets,and copies are 4.5 cents each?

For a fixed amount of a gas at constant volume,the pressure (P)of the gas is directly proportional to its absolute temperature (T).Which of the following is the best choice for units of the proportionality constant that relates P and T in an equation?

Convert 17.4 nm to Mm,Gm,and Tm.1 nm = 10-9 m,1 Mm = 106 m,1 Gm = 109 m,1 Tm = 1012 m

Convert 373 liters to milliliters,centiliters,and kiloliters.

Acetone boils at 56 °C.Express this temperature in kelvins.

Assuming that all are measured quantities,complete the following operation and express the result in the correct number of significant figures.

What is the volume of 22 g of gold,which has a density of 19.3 g/cm3?

Pay is directly proportional to hours worked.What units would be appropriate for the proportionality constant in an equation that relates pay and hours worked?

Convert 32.7 m to km,cm,and mm.

A solution is prepared by adding 1.77 grams of sodium nitrate,2.4 grams of potassium chloride,and 0.973 gram of ammonium nitrite to 255 grams of water.Calculate the total mass of the solution and express the sum in the proper number of significant figures.

The energy of a photon of light is directly proportional to the frequency of that photon.Calculate the value of the proportionality constant,given that a photon of energy 4.4 × 10-19 J has a frequency of 6.7 × 1014/s.

The meter stick in the image is being used to measure the length of a piece of wood. How many significant figures should be used to express this measured length?

Matter and Energy

Introduction to Gases

Atomic Theory: The Nuclear Model of the Atom

Chemical Nomenclature

Chemical Formula Relationships

Chemical Reactions

Chemical Change

Quantity Relationships in Chemical Reactions

Atomic Theory: The Quantum Model of the Atom

Chemical Bonding

Structure and Shape

The Ideal Gas Law and Its Applications

Gases, Liquids, and Solids

Solutions

Acidbase Proton Transferreactions

Chemical Equilibrium

Oxidationreduction Electron Transferreactions

Nuclear Chemistry

Organic Chemistry

Biochemistry

Filters

Convert 3.77 × 10⁸ pL to mL,daL,and dL.1 pL = 10^-12 L,1 dL = 10^-1 L,1 daL = 10¹ L

Which of the following numbers are correctly expressed in exponential notation? i.43,200,000 = 4.32 × 10⁷ ii.0.000977 = 9.77 × 10⁴ iii.606,000 = 6.06 × 10^-5 iv.0.00000175 = 1.75 × 10^-6

Complete the following operation: 9.370 × 10^-5 - 2.25 × 10^-6

Convert 17.4 nm to Mm,Gm,and Tm.1 nm = 10^-9 m,1 Mm = 10⁶ m,1 Gm = 10⁹ m,1 Tm = 10¹² m

What is the volume of 22 g of gold,which has a density of 19.3 g/cm³?

The energy of a photon of light is directly proportional to the frequency of that photon.Calculate the value of the proportionality constant,given that a photon of energy 4.4 × 10^-19 J has a frequency of 6.7 × 10¹⁴/s.