Question 1

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 D

Question 2

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 B

Question 3

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. A

Question 4

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

Question 5

Select the temperature scale that scientists use for very low temperatures as well as to predict the way gases behave.

Accepted Answer

A)  Celsius 
B)  Fahrenheit 
C)  Kelvin 
D)  All of these temperature scales are used for these purposes. 
A)  Celsius 
B)  Fahrenheit 
C)  Kelvin 
D)  All of these temperature scales are used for these purposes.

Question 6

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 7

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 8

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 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 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 11

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 12

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 13

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 14

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 15

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 16

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 17

On the Celsius temperature scale,the boiling point of water is

Accepted Answer

A)  0 °C 
B)  32 °C 
C)  100 °C 
D)  212 °C 
A)  0 °C 
B)  32 °C 
C)  100 °C 
D)  212 °C

Question 18

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

Question 19

Unknown sample #1 has a mass of 0.500 g and a volume of 0.750 mL.Unknown sample #2 has a mass of 12.1 g and a volume of 452 mL.Which statement is accurate concerning the two samples?

Accepted Answer

A)  Unknown sample #1 has a density of 1.50 g/cm3. 
B)  Unknown sample #2 has a density of 37.4 g/cm3. 
C)  Unknown sample #1 has the greater density-0.667 g/cm3 
D)  Unknown sample #2 has the greater density-0.0268 g/cm3 
A)  Unknown sample #1 has a density of 1.50 g/cm3. 
B)  Unknown sample #2 has a density of 37.4 g/cm3. 
C)  Unknown sample #1 has the greater density-0.667 g/cm3 
D)  Unknown sample #2 has the greater density-0.0268 g/cm3

Question 20

Which temperature is the HOTTEST?

Accepted Answer

A)  516 K 
B)  234 °C 
C)  475 °F 
D)  None-all of these temperatures are the same. 
A)  516 K 
B)  234 °C 
C)  475 °F 
D)  None-all of these temperatures are the same.

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

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?

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

Select the temperature scale that scientists use for very low temperatures as well as to predict the way gases behave.

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 student measures the volume of a solution to be 0.00370 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 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 100.0-mL sample of lead has a much greater mass than a 100.0-mL sample of quartz.Select the accurate statement.

Which amount is equal to 1 mL?

Select the temperature scale that MOST of the world uses.

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

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?

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?

On the Celsius temperature scale,the boiling point of water is

Which equation is equal to 623?

Unknown sample #1 has a mass of 0.500 g and a volume of 0.750 mL.Unknown sample #2 has a mass of 12.1 g and a volume of 452 mL.Which statement is accurate concerning the two samples?

Which temperature is the HOTTEST?

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

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

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?

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

Select the temperature scale that scientists use for very low temperatures as well as to predict the way gases behave.

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 student measures the volume of a solution to be 0.00370 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 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 100.0-mL sample of lead has a much greater mass than a 100.0-mL sample of quartz.Select the accurate statement.

Which amount is equal to 1 mL?

Select the temperature scale that MOST of the world uses.

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

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?

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?

On the Celsius temperature scale,the boiling point of water is

Which equation is equal to 623?

Unknown sample #1 has a mass of 0.500 g and a volume of 0.750 mL.Unknown sample #2 has a mass of 12.1 g and a volume of 452 mL.Which statement is accurate concerning the two samples?

Which temperature is the HOTTEST?

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

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?