Question 1

A sample of metal has a mass of 0.0049 grams. What is this mass in milligrams?

Accepted Answer

A)  0.0000049 mg 
B)  4.9 mg 
C)  490 mg 
D)  4.9 × 1012 mg 
A)  0.0000049 mg 
B)  4.9 mg 
C)  490 mg 
D)  4.9 × 1012 mg B

Question 2

Normal average normal body temperature is 98.6 °F. Three children have their temperature taken at a doctor's office. The first child has a temperature of 310 K. The second child has a body temperature of 98.5 °F. The third child has a body temperature of 38.3 °C. Which child is running a fever (has a temperature greater than 100 °F)?

Accepted Answer

A)  the first child 
B)  the second child 
C)  the third child 
D)  All of the children are running a fever. 
A)  the first child 
B)  the second child 
C)  the third child 
D)  All of the children are running a fever. C

Question 3

Which equation is equal to 623?

Accepted Answer

A)  6.23 × 103 
B)  6.23 × 102 
C)  6.23 × 10-3 
D)  6.23 × 10-2 
A)  6.23 × 103 
B)  6.23 × 102 
C)  6.23 × 10-3 
D)  6.23 × 10-2 B

Question 4

Which element will float on pure water?

Accepted Answer

A)  iron (density = 7.87 g/cm3) 
B)  copper (density = 8.96 g/cm3) 
C)  gold (density = 19.31 g/cm3) 
D)  None of these elements will float on pure water. 
A)  iron (density = 7.87 g/cm3) 
B)  copper (density = 8.96 g/cm3) 
C)  gold (density = 19.31 g/cm3) 
D)  None of these elements will float on pure water.

Question 5

A block of titanium metal has a mass of 1.22 kg. Given titanium's density (7.87 g/cm3), what volume does this block of titanium occupy in liters?

Accepted Answer

A)  0.155 L 
B)  155 L 
C)  1.55 L 
D)  1.55 × 10-4 L 
A)  0.155 L 
B)  155 L 
C)  1.55 L 
D)  1.55 × 10-4 L

Question 6

A piece of driftwood has a density of 0.76 g/cm3, while a piece of alloy has a density of 6.7 g/cm3. Which statement is accurate?

Accepted Answer

A)  Both the driftwood and the alloy will float on pure water. 
B)  Neither the driftwood nor the alloy will float on pure water. 
C)  The driftwood will sink when placed on pure water, but the alloy will float. 
D)  The driftwood will float on pure water, but the alloy will sink. 
A)  Both the driftwood and the alloy will float on pure water. 
B)  Neither the driftwood nor the alloy will float on pure water. 
C)  The driftwood will sink when placed on pure water, but the alloy will float. 
D)  The driftwood will float on pure water, but the alloy will sink.

Question 7

A student measures the volume of a solution to be 0.00370 L. How many significant digits are in this measurement?

Accepted Answer

A)  two 
B)  three 
C)  four 
D)  five 
A)  two 
B)  three 
C)  four 
D)  five

Question 8

A student measures the volume of a solution to be 0.03010 L. How many significant digits are in this measurement?

Accepted Answer

A)  two 
B)  three 
C)  four 
D)  five 
A)  two 
B)  three 
C)  four 
D)  five

Question 9

A sample of metal has a mass of 0.0793 kilograms. What is this mass in grams?

Accepted Answer

A)  0.00000793 g 
B)  793 g 
C)  79.3 g 
D)  7.93 × 1012 g 
A)  0.00000793 g 
B)  793 g 
C)  79.3 g 
D)  7.93 × 1012 g

Question 10

A candle made of a certain wax blend burns at a rate of 34.0 mg/min. What is the value of this burn rate if expressed in grams/hour?

Accepted Answer

A)  2.04 g/hr 
B)  567 g/hr 
C)  1,764 g/hr 
D)  2,040 g/hr 
A)  2.04 g/hr 
B)  567 g/hr 
C)  1,764 g/hr 
D)  2,040 g/hr

Question 11

The distribution of hits on the bull's-eye is described as:

Accepted Answer

A)  both accurate and precise. 
B)  neither accurate nor precise. 
C)  accurate but not precise. 
D)  precise but not accurate. 
A)  both accurate and precise. 
B)  neither accurate nor precise. 
C)  accurate but not precise. 
D)  precise but not accurate.

Question 12

A 100.0-mL sample of lead has a much greater mass than a 100.0-mL sample of quartz. Select the accurate statement.

Accepted Answer

A)  The lead sample also has the greater density. 
B)  The quartz sample has the greater density. 
C)  Both the lead sample and the quartz sample have the same density. 
D)  There is not enough information to determine which sample has the greater density. 
A)  The lead sample also has the greater density. 
B)  The quartz sample has the greater density. 
C)  Both the lead sample and the quartz sample have the same density. 
D)  There is not enough information to determine which sample has the greater density.

Question 13

A solution has a mass of 17.41 grams and a volume of 14.4 mL. What is the density of this solution, reported to the correct number of significant digits?

Accepted Answer

A)  1.21 g/mL 
B)  0.827 g/mL 
C)  250.7 g/mL 
D)  1.209 g/mL 
A)  1.21 g/mL 
B)  0.827 g/mL 
C)  250.7 g/mL 
D)  1.209 g/mL

Question 14

The density of bromine is 3.12 g/mL. What is the mass of 155 mL of bromine?

Accepted Answer

A)  0.0201 g 
B)  38.2 g 
C)  49.7 g 
D)  484 g 
A)  0.0201 g 
B)  38.2 g 
C)  49.7 g 
D)  484 g

Question 15

Which amount is equal to 1 mL?

Accepted Answer

A)  0.01 L 
B)  1000 cm3 
C)  1 dm3 
D)  1 cm3 
A)  0.01 L 
B)  1000 cm3 
C)  1 dm3 
D)  1 cm3

Question 16

Select the temperature scale that MOST of the world uses.

Accepted Answer

A)  Celsius 
B)  Fahrenheit 
C)  Kelvin 
D)  All of these temperature scales are used equally around the world. 
A)  Celsius 
B)  Fahrenheit 
C)  Kelvin 
D)  All of these temperature scales are used equally around the world.

Question 17

A solution has a mass of 15.03 grams and a volume of 14.4 mL. What is the density of this solution, reported to the correct number of significant digits?

Accepted Answer

A)  1.04 g/mL 
B)  1.044 g/mL 
C)  0.958 g/mL 
D)  0.9581 g/mL 
A)  1.04 g/mL 
B)  1.044 g/mL 
C)  0.958 g/mL 
D)  0.9581 g/mL

Question 18

A car is moving at 60.0 mi/hr. How many feet/second is the driver traveling? (1 mile = 5,280 feet)

Accepted Answer

A)  8.80 ft/sec 
B)  88.0 ft/sec 
C)  880 ft/sec 
D)  95.2 ft/sec 
A)  8.80 ft/sec 
B)  88.0 ft/sec 
C)  880 ft/sec 
D)  95.2 ft/sec

Question 19

A block of titanium metal has a mass of 104.3 g. Given titanium's density (4.51 g/cm3), what volume does this block of titanium occupy in liters?

Accepted Answer

A)  23.2 L 
B)  0.0231 L 
C)  232 L 
D)  0.00231 L 
A)  23.2 L 
B)  0.0231 L 
C)  232 L 
D)  0.00231 L

Question 20

In the SI system of measurement, the unit of mass is the:

Accepted Answer

A)  kilogram. 
B)  meter. 
C)  liter. 
D)  yard. 
A)  kilogram. 
B)  meter. 
C)  liter. 
D)  yard.

A sample of metal has a mass of 0.0049 grams. What is this mass in milligrams?

Which equation is equal to 623?

Which element will float on pure water?

A block of titanium metal has a mass of 1.22 kg. Given titanium's density (7.87 g/cm³), what volume does this block of titanium occupy in liters?

A piece of driftwood has a density of 0.76 g/cm³, while a piece of alloy has a density of 6.7 g/cm³. Which statement is accurate?

A student measures the volume of a solution to be 0.00370 L. How many significant digits are in this measurement?

A student measures the volume of a solution to be 0.03010 L. How many significant digits are in this measurement?

A sample of metal has a mass of 0.0793 kilograms. What is this mass in grams?

A candle made of a certain wax blend burns at a rate of 34.0 mg/min. What is the value of this burn rate if expressed in grams/hour?

The distribution of hits on the bull's-eye is described as:

A 100.0-mL sample of lead has a much greater mass than a 100.0-mL sample of quartz. Select the accurate statement.

A solution has a mass of 17.41 grams and a volume of 14.4 mL. What is the density of this solution, reported to the correct number of significant digits?

The density of bromine is 3.12 g/mL. What is the mass of 155 mL of bromine?

Which amount is equal to 1 mL?

Select the temperature scale that MOST of the world uses.

A solution has a mass of 15.03 grams and a volume of 14.4 mL. What is the density of this solution, reported to the correct number of significant digits?

A car is moving at 60.0 mi/hr. How many feet/second is the driver traveling? (1 mile = 5,280 feet)

A block of titanium metal has a mass of 104.3 g. Given titanium's density (4.51 g/cm³), what volume does this block of titanium occupy in liters?

In the SI system of measurement, the unit of mass is the:

Foundations

Atoms

Light and Electronic Structure

Chemical Bonds Compounds

Chemical Reactions

Mass Stoichiometry

Energy

Covalent Bonding and Molecules

Solids, Liquids, and Gases

Solutions

Acids Bases

Reaction Rates Equilibrium

Oxidation-Reduction Reactions

Organic Chemistry and Biomolecules

Nuclear Chemistry

Filters

Exam 2: Measurement

A sample of metal has a mass of 0.0049 grams. What is this mass in milligrams?

Which equation is equal to 623?

Which element will float on pure water?

A block of titanium metal has a mass of 1.22 kg. Given titanium's density (7.87 g/cm3), what volume does this block of titanium occupy in liters?

A piece of driftwood has a density of 0.76 g/cm3, while a piece of alloy has a density of 6.7 g/cm3. Which statement is accurate?

A student measures the volume of a solution to be 0.00370 L. How many significant digits are in this measurement?

A student measures the volume of a solution to be 0.03010 L. How many significant digits are in this measurement?

A sample of metal has a mass of 0.0793 kilograms. What is this mass in grams?

A candle made of a certain wax blend burns at a rate of 34.0 mg/min. What is the value of this burn rate if expressed in grams/hour?

The distribution of hits on the bull's-eye is described as:

A 100.0-mL sample of lead has a much greater mass than a 100.0-mL sample of quartz. Select the accurate statement.

A solution has a mass of 17.41 grams and a volume of 14.4 mL. What is the density of this solution, reported to the correct number of significant digits?

The density of bromine is 3.12 g/mL. What is the mass of 155 mL of bromine?

Which amount is equal to 1 mL?

Select the temperature scale that MOST of the world uses.

A solution has a mass of 15.03 grams and a volume of 14.4 mL. What is the density of this solution, reported to the correct number of significant digits?

A car is moving at 60.0 mi/hr. How many feet/second is the driver traveling? (1 mile = 5,280 feet)

A block of titanium metal has a mass of 104.3 g. Given titanium's density (4.51 g/cm3), what volume does this block of titanium occupy in liters?

In the SI system of measurement, the unit of mass is the:

Foundations

Atoms

Light and Electronic Structure

Chemical Bonds Compounds

Chemical Reactions

Mass Stoichiometry

Energy

Covalent Bonding and Molecules

Solids, Liquids, and Gases

Solutions

Acids Bases

Reaction Rates Equilibrium

Oxidation-Reduction Reactions

Organic Chemistry and Biomolecules

Nuclear Chemistry

Filters

A block of titanium metal has a mass of 1.22 kg. Given titanium's density (7.87 g/cm³), what volume does this block of titanium occupy in liters?

A piece of driftwood has a density of 0.76 g/cm³, while a piece of alloy has a density of 6.7 g/cm³. Which statement is accurate?

A block of titanium metal has a mass of 104.3 g. Given titanium's density (4.51 g/cm³), what volume does this block of titanium occupy in liters?