Question 1

The absolute zero point on the Kelvin scale is equal to _____.

Accepted Answer

A)  -273.15 °C 
B)  0 °C 
C)  14.5 °C 
D)  25 °C 
E)  -373.15 ⁰C 
A)  -273.15 °C 
B)  0 °C 
C)  14.5 °C 
D)  25 °C 
E)  -373.15 ⁰C A

Question 2

The SI base unit of length is the ____.

Accepted Answer

A)  newton 
B)  liter 
C)  meter 
D)  candela 
E)  Ångstrom unit 
A)  newton 
B)  liter 
C)  meter 
D)  candela 
E)  Ångstrom unit C

Question 3

Calcium carbonate,or limestone,is relatively insoluble in water.At 25 °C,only 5.8 mg will dissolve in 1.0 liter of water.What volume of water is needed to dissolve 5.0 g of calcium carbonate?

Accepted Answer

A)  4.6 × 10-3 L 
B)  3.0 × 10-2 L 
C)  1.4 × 102 L 
D)  3.4 × 102 L 
E)  8.6 × 102 L 
A)  4.6 × 10-3 L 
B)  3.0 × 10-2 L 
C)  1.4 × 102 L 
D)  3.4 × 102 L 
E)  8.6 × 102 L E

Question 4

A particular liquid boils at -374°F.What is its boiling point on the Kelvin scale?

Accepted Answer

A)  83 K 
B)  65 K 
C)  47 K 
D)  97 K 
E)  165 K 
A)  83 K 
B)  65 K 
C)  47 K 
D)  97 K 
E)  165 K

Question 5

You can identify a metal by carefully determining its density.A 29.51 g sample of an unknown metal is 1.50 cm long,2.50 cm wide,and 1.00 cm thick.What is the possible identity of the element?

Accepted Answer

A)  Nickel; density = 8.90 g/cm3 
B)  Aluminum; density = 2.70 g/cm3 
C)  Silver; density = 10.5 g/cm3 
D)  Iron; density = 7.87 g/cm3 
E)  Chromium; density = 7.20 g/cm3 
A)  Nickel; density = 8.90 g/cm3 
B)  Aluminum; density = 2.70 g/cm3 
C)  Silver; density = 10.5 g/cm3 
D)  Iron; density = 7.87 g/cm3 
E)  Chromium; density = 7.20 g/cm3

Question 6

Which method is correct for converting kelvin to Celsius?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 7

Convert 1.400× 10-8 liters to nanoliters and express the answer in fixed notation using the correct number of significant figures.

Accepted Answer

A)  14 nL 
B)  14.0 nL 
C)  14.00 nL 
D)  1.40 nL 
E)  0.1400 nL 
A)  14 nL 
B)  14.0 nL 
C)  14.00 nL 
D)  1.40 nL 
E)  0.1400 nL

Question 8

7.2 seconds contain this many picoseconds.

Accepted Answer

A)  7.2 × 109 
B)  7.2 × 1012 
C)  7.2 × 10-9 
D)  7.2 × 10-12 
E)  7.2 × 1015 
A)  7.2 × 109 
B)  7.2 × 1012 
C)  7.2 × 10-9 
D)  7.2 × 10-12 
E)  7.2 × 1015

Question 9

Convert 0.390 ng to milligrams and express the answer in scientific notation using the correct number of significant figures.

Accepted Answer

A)  3.90 × 10-5 mg 
B)  3.90 × 10-7 mg 
C)  3.9 × 10-7 mg 
D)  0.390 × 10-8 mg 
E)  0.390 × 10-7 mg 
A)  3.90 × 10-5 mg 
B)  3.90 × 10-7 mg 
C)  3.9 × 10-7 mg 
D)  0.390 × 10-8 mg 
E)  0.390 × 10-7 mg

Question 10

Light with a wavelength of 1.5 × 10-8 m is in the X-ray region of the electromagnetic spectrum.What is the wavelength of this light in picometers (pm)?

Accepted Answer

A)  1.5 × 10-80 pm 
B)  1.5 × 10-20 pm 
C)  1.5 × 10-1 pm 
D)  1.5 × 104 pm 
E)  1.5 × 107 pm 
A)  1.5 × 10-80 pm 
B)  1.5 × 10-20 pm 
C)  1.5 × 10-1 pm 
D)  1.5 × 104 pm 
E)  1.5 × 107 pm

Question 11

A cylinder has a radius of 2.38 mm and a height of 175 mm.Calculate the volume of the cylinder in liters.(Volume = πr2h)

Accepted Answer

A)  3.11 × 10-3 L 
B)  3.11 × 10-2 L 
C)  0.311 L 
D)  3.11 L 
E)  3.11 × 103 L 
A)  3.11 × 10-3 L 
B)  3.11 × 10-2 L 
C)  0.311 L 
D)  3.11 L 
E)  3.11 × 103 L

Question 12

How many cubic millimeters equal one cubic meter?

Accepted Answer

A)  104 
B)  10-9 
C)  103 
D)  109 
E)  10-3 
A)  104 
B)  10-9 
C)  103 
D)  109 
E)  10-3

Question 13

Using the rules of significant figures,calculate the following:

Accepted Answer

A)  4.825 
B)  4.8249 
C)  4.8 
D)  4.82 
E)  4.82486 
A)  4.825 
B)  4.8249 
C)  4.8 
D)  4.82 
E)  4.82486

Question 14

In the area of nanotechnology,particles defined as nanoparticles range in size from 1 nm to 2500 nm.One nm is equivalent to 1 × 10-9 m.If the size of the particles that make up a particular material is 5.34 × 10-8 cm,what is this size in nanometers?

Accepted Answer

A)  53,400 nm 
B)  5.34 nm 
C)  0.534 nm 
D)  5340 nm 
E)  534 nm 
A)  53,400 nm 
B)  5.34 nm 
C)  0.534 nm 
D)  5340 nm 
E)  534 nm

Question 15

​Express the number 0.000160 in scientific notation.

Accepted Answer

A)  ​0.16 × 10-3 
B)  ​1.6 × 104 
C)  ​1.6 × 102 
D)  ​1.6 ​× 10-4 
E)  160 ​​× 10-6 
A)  ​0.16 × 10-3 
B)  ​1.6 × 104 
C)  ​1.6 × 102 
D)  ​1.6 ​× 10-4 
E)  160 ​​× 10-6

Question 16

What is the volume of a cube that has an edge length of 0.011 m?

Accepted Answer

A)  1.3 × 10-3 m3 
B)  1.3 × 10-3 km3 
C)  1.3 × 10-3 cm3 
D)  1.3 × 10-3 mm3 
E)  1.3 cm3 
A)  1.3 × 10-3 m3 
B)  1.3 × 10-3 km3 
C)  1.3 × 10-3 cm3 
D)  1.3 × 10-3 mm3 
E)  1.3 cm3

Question 17

How many feet (ft)make up 0.397 km if 1 mi = 1.609 km and 5280 ft = 1 mi?

Accepted Answer

A)  1303.10 ft 
B)    ft 
C)    ft 
D)  3370.000 ft 
E)    ft 
A)  1303.10 ft 
B)    ft 
C)    ft 
D)  3370.000 ft 
E)    ft

Question 18

A thin sheet of iridium metal that is 2.70 cm by 5.93 cm has a mass of 16.1 g and a thickness of 0.444 mm.What is the density of iridium?

Accepted Answer

A)  22.600 g/cm3 
B)  2.270 g/cm3 
C)  1.14 × 102 g/cm3 
D)  0.044 g/cm3 
E)  0.442 g/cm3 
A)  22.600 g/cm3 
B)  2.270 g/cm3 
C)  1.14 × 102 g/cm3 
D)  0.044 g/cm3 
E)  0.442 g/cm3

Question 19

A 4.75 cm3 sample of solid gallium metal has a density of 5.910 g/cm3.What volume does this sample of gallium occupy in its liquid state? The density of liquid gallium is 6.100 g/cm3.

Accepted Answer

A)  4.60 cm3 
B)  4.90 cm3 
C)  0.13 cm3 
D)  171.00 cm3 
E)  0.20 cm3 
A)  4.60 cm3 
B)  4.90 cm3 
C)  0.13 cm3 
D)  171.00 cm3 
E)  0.20 cm3

Question 20

What length of a cylindrical piece of tungsten wire having a radius of 2.27 mm has a mass of 10.0 g? The density of tungsten is 19.25 g/cm3 and Volume = πr2h.

Accepted Answer

A)  3.21 × 10-4 m 
B)  3.12 × 101 m 
C)  3.21 × 10-2 m 
D)  3.12 × 10-1 m 
E)  3.12 × 10-3 m 
A)  3.21 × 10-4 m 
B)  3.12 × 101 m 
C)  3.21 × 10-2 m 
D)  3.12 × 10-1 m 
E)  3.12 × 10-3 m

Exam 2: Lets Review: The Tools of Quantitative Chemistry

The absolute zero point on the Kelvin scale is equal to _____.

The SI base unit of length is the ____.

Calcium carbonate,or limestone,is relatively insoluble in water.At 25 °C,only 5.8 mg will dissolve in 1.0 liter of water.What volume of water is needed to dissolve 5.0 g of calcium carbonate?

A particular liquid boils at -374°F.What is its boiling point on the Kelvin scale?

You can identify a metal by carefully determining its density.A 29.51 g sample of an unknown metal is 1.50 cm long,2.50 cm wide,and 1.00 cm thick.What is the possible identity of the element?

Which method is correct for converting kelvin to Celsius?

Convert 1.400× 10-8 liters to nanoliters and express the answer in fixed notation using the correct number of significant figures.

7.2 seconds contain this many picoseconds.

Convert 0.390 ng to milligrams and express the answer in scientific notation using the correct number of significant figures.

Light with a wavelength of 1.5 × 10-8 m is in the X-ray region of the electromagnetic spectrum.What is the wavelength of this light in picometers (pm)?

A cylinder has a radius of 2.38 mm and a height of 175 mm.Calculate the volume of the cylinder in liters.(Volume = πr2h)

How many cubic millimeters equal one cubic meter?

Using the rules of significant figures,calculate the following:

In the area of nanotechnology,particles defined as nanoparticles range in size from 1 nm to 2500 nm.One nm is equivalent to 1 × 10-9 m.If the size of the particles that make up a particular material is 5.34 × 10-8 cm,what is this size in nanometers?

​Express the number 0.000160 in scientific notation.

What is the volume of a cube that has an edge length of 0.011 m?

How many feet (ft)make up 0.397 km if 1 mi = 1.609 km and 5280 ft = 1 mi?

A thin sheet of iridium metal that is 2.70 cm by 5.93 cm has a mass of 16.1 g and a thickness of 0.444 mm.What is the density of iridium?

A 4.75 cm3 sample of solid gallium metal has a density of 5.910 g/cm3.What volume does this sample of gallium occupy in its liquid state? The density of liquid gallium is 6.100 g/cm3.

What length of a cylindrical piece of tungsten wire having a radius of 2.27 mm has a mass of 10.0 g? The density of tungsten is 19.25 g/cm3 and Volume = πr2h.

Basic Concepts of Chemistry

Atoms, molecules, and Ions

Chemical Reactions

Stoichiometry: Quantitative Information About Chemical Reactions

Principles of Chemical Reactivity: Energy and Chemical Reactions

The Structure of Atoms

The Structure of Atoms and Periodic Trends

Bonding and Molecular Structure

Bonding and Molecular Structure Orbital Hybridization and Molecular Orbitals

Gases and Their Properties

Intermolecular Forces and Liquids

The Solid State

Solutions and Their Behavior

Chemical Kinetics: the Rates of Chemical Reactions

Principles of Chemical Reactivity: Equilibria

Principles of Chemical Reactivity: the Chemistry of Acids and Bases

Principles of Chemical Reactivity: Other Aspects of Aqueous Equilibria

Principles of Chemical Reactivity: Entropy and Free Energy

Principles of Chemical Reactivity: Electron Transfer Reactions

Environmental Chemistry: Earths Environment, energy, and Sustainability

The Chemistry of the Main Group Elements

The Chemistry of the Transition Elements

Carbon: Not Just Another Element

Biochemistry

Nuclear Chemistry

Filters

Convert 1.400× 10^-8 liters to nanoliters and express the answer in fixed notation using the correct number of significant figures.

Light with a wavelength of 1.5 × 10^-8 m is in the X-ray region of the electromagnetic spectrum.What is the wavelength of this light in picometers (pm)?

A cylinder has a radius of 2.38 mm and a height of 175 mm.Calculate the volume of the cylinder in liters.(Volume = πr²h)

In the area of nanotechnology,particles defined as nanoparticles range in size from 1 nm to 2500 nm.One nm is equivalent to 1 × 10^-9 m.If the size of the particles that make up a particular material is 5.34 × 10^-8 cm,what is this size in nanometers?

Express the number 0.000160 in scientific notation.

A 4.75 cm³ sample of solid gallium metal has a density of 5.910 g/cm³.What volume does this sample of gallium occupy in its liquid state? The density of liquid gallium is 6.100 g/cm³.

What length of a cylindrical piece of tungsten wire having a radius of 2.27 mm has a mass of 10.0 g? The density of tungsten is 19.25 g/cm³ and Volume = πr²h.