Question 1

Which of the following volumes is equal to 40 mL?

Accepted Answer

A) 40 cm3 
B) 40 dm3 
C) 0.40 L 
D) 0.00040 kL 
A) 40 cm3 
B) 40 dm3 
C) 0.40 L 
D) 0.00040 kL

Question 2

Choose the heterogeneous mixture from the list below.

Accepted Answer

A) Gatorade 
B) chlorine gas 
C) black coffee 
D) chicken noodle soup 
E) carbon (graphit
E)  
A) Gatorade 
B) chlorine gas 
C) black coffee 
D) chicken noodle soup 
E) carbon (graphit
E)

Question 3

The factor 10-3 corresponds to which prefix?

Accepted Answer

A) deka 
B) deci 
C) milli 
D) centi 
A) deka 
B) deci 
C) milli 
D) centi

Question 4

If a room requires 25.4 square yards of carpeting,what is the area of the floor in units of ft2?
(3 ft = 1 yd)

Accepted Answer

A) 76.2 ft2 
B) 8.47 ft2 
C) 282 ft2 
D) 229 ft2 
E) 68.6 ft2 
A) 76.2 ft2 
B) 8.47 ft2 
C) 282 ft2 
D) 229 ft2 
E) 68.6 ft2

Question 5

The correct answer (reported to the proper number of significant figures)to the following is ________.
(1815 - 1806)× (9.11 × 7.92)= ________

Accepted Answer

The answer of The correct answer (reported to the proper...

Question 6

Which glassware is best to measure 10.5 mL of a liquid?

Accepted Answer

A) a graduated buret (with marking every 0.1 mL) 
B) a graduated cylinder (with marking every 1 mL) 
C) a fixed volume pipet (with only one marking) 
D) a graduated beaker (with marking every 10 mL ) 
A) a graduated buret (with marking every 0.1 mL) 
B) a graduated cylinder (with marking every 1 mL) 
C) a fixed volume pipet (with only one marking) 
D) a graduated beaker (with marking every 10 mL )

Question 7

Define matter.

Accepted Answer

Matter is anything t

Question 8

Which of the following is an example of chemical change?

Accepted Answer

A) Copper building materials develop a green patina over time. 
B) Water vapor condenses on the window. 
C) Ethanol evaporates. 
D) A mixture of hydrogen and oxygen gas explodes on ignition. 
E) A helium balloon goes up in the air. 
A) Copper building materials develop a green patina over time. 
B) Water vapor condenses on the window. 
C) Ethanol evaporates. 
D) A mixture of hydrogen and oxygen gas explodes on ignition. 
E) A helium balloon goes up in the air.

Question 9

If the melting point of vanadium metal is 1910°C,what is its melting point in Kelvin?

Accepted Answer

A) 1029 K 
B) 1637 K 
C) 2183 K 
D) 3470 K 
A) 1029 K 
B) 1637 K 
C) 2183 K 
D) 3470 K

Question 10

How many significant figures are there in the answer for the following problem?  = ?

Accepted Answer

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

Question 11

The estimated costs for remodeling the interior of an apartment are: three 1-gallon cans of paint at $13.22 each,two paint brushes at $9.53 each,and $135 for a helper.The total estimated cost with the appropriate significant figures is $________.

Accepted Answer

A) 193.72 
B) 1.9 × 102 
C) 194 
D) 2 × 102 
E) 193.7 
A) 193.72 
B) 1.9 × 102 
C) 194 
D) 2 × 102 
E) 193.7

Question 12

How many kL does a 1.25 × 108 cL sample contain?

Accepted Answer

A) 1.25 × 103 kL 
B) 1.25 × 1013 kL 
C) 1.25 × 104 kL 
D) 1.25 × 1012 kL 
E) 1.25 × 102 kL 
A) 1.25 × 103 kL 
B) 1.25 × 1013 kL 
C) 1.25 × 104 kL 
D) 1.25 × 1012 kL 
E) 1.25 × 102 kL

Question 13

Which of the following is an example of a chemical change?

Accepted Answer

A) coffee brewing 
B) water boiling 
C) nails rusting 
D) salt dissolving in water 
E) freezing of water 
A) coffee brewing 
B) water boiling 
C) nails rusting 
D) salt dissolving in water 
E) freezing of water

Question 14

What symbol is used to represent the factor 10-1?

Accepted Answer

A) M 
B) m 
C) μ 
D) d 
A) M 
B) m 
C) μ 
D) d

Question 15

Which of the following is the lowest temperature?

Accepted Answer

A) 42°C 
B) 57°F 
C) 318 K 
D) All of these temperatures are all equal. 
A) 42°C 
B) 57°F 
C) 318 K 
D) All of these temperatures are all equal.

Question 16

A person weighs 77.1 kg.What is their weight in pounds?

Accepted Answer

A) 154 pounds 
B) 170 pounds 
C) 35.0 pounds 
D) 162 pounds 
A) 154 pounds 
B) 170 pounds 
C) 35.0 pounds 
D) 162 pounds

Question 17

A fishing boat accidentally spills 3.0 barrels of diesel oil into the ocean.Each barrel contains
42 gallons.If the oil film on the ocean is 2.5 × 102 nm thick,how many square meters will the oil slick cover?

Accepted Answer

A) 1.9 × 10-3 m2 
B) 1.9 × 106 m2 
C) 1.9 × 107 m2 
D) none of these 
A) 1.9 × 10-3 m2 
B) 1.9 × 106 m2 
C) 1.9 × 107 m2 
D) none of these

Question 18

A sample of liquid isopropyl alcohol is placed in a sealed container.Some of the volatile isopropyl alcohol vaporizes.Does the mass of the sealed container and its contents change during the vaporization? Explain.

Accepted Answer

No.The vaporized isopropyl alcohol is ju

Question 19

Which of the following is an example of physical change?

Accepted Answer

A) Dew forms on a blade of grass. 
B) A Halloween light stick glows after shaking. 
C) An egg solidifies during cooking. 
D) A hydrogen balloon explodes when contacted with a flame. 
E) An iron pipe rusts in the yard. 
A) Dew forms on a blade of grass. 
B) A Halloween light stick glows after shaking. 
C) An egg solidifies during cooking. 
D) A hydrogen balloon explodes when contacted with a flame. 
E) An iron pipe rusts in the yard.

Question 20

How many mg does a 433 kg sample contain?

Accepted Answer

A) 4.33 × 10-4 mg 
B) 4.33 × 107 mg 
C) 4.33 × 10-3 mg 
D) 4.33 × 106 mg 
E) 4.33 × 108 mg 
A) 4.33 × 10-4 mg 
B) 4.33 × 107 mg 
C) 4.33 × 10-3 mg 
D) 4.33 × 106 mg 
E) 4.33 × 108 mg

Which of the following volumes is equal to 40 mL?

Choose the heterogeneous mixture from the list below.

The factor 10^-3 corresponds to which prefix?

If a room requires 25.4 square yards of carpeting,what is the area of the floor in units of ft²? (3 ft = 1 yd)

The correct answer (reported to the proper number of significant figures)to the following is . (1815 - 1806)× (9.11 × 7.92)=

Which glassware is best to measure 10.5 mL of a liquid?

Define matter.

Which of the following is an example of chemical change?

If the melting point of vanadium metal is 1910°C,what is its melting point in Kelvin?

How many significant figures are there in the answer for the following problem? = ?

The estimated costs for remodeling the interior of an apartment are: three 1-gallon cans of paint at $13.22 each,two paint brushes at $9.53 each,and $135 for a helper.The total estimated cost with the appropriate significant figures is $________.

How many kL does a 1.25 × 10⁸ cL sample contain?

Which of the following is an example of a chemical change?

What symbol is used to represent the factor 10^-1?

Which of the following is the lowest temperature?

A person weighs 77.1 kg.What is their weight in pounds?

A fishing boat accidentally spills 3.0 barrels of diesel oil into the ocean.Each barrel contains 42 gallons.If the oil film on the ocean is 2.5 × 10² nm thick,how many square meters will the oil slick cover?

A sample of liquid isopropyl alcohol is placed in a sealed container.Some of the volatile isopropyl alcohol vaporizes.Does the mass of the sealed container and its contents change during the vaporization? Explain.

Which of the following is an example of physical change?

How many mg does a 433 kg sample contain?

Atoms and Elements

Molecules, Compounds and Chemical Equations

Chemical Quantities and Aqueous Reactions

Gases

Thermochemistry

The Quantum-Mechanical Model of the Atom

Periodic Properties of the Elements

Chemical Bonding I: Lewis Theory

Chemical Bonding II: Molecular Shapes, Valence Bond Theory, and

Liquids, Solids, and Intermolecular Forces

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Free Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Filters

Exam 1: Matter, Measurement, and Problem Solving

Which of the following volumes is equal to 40 mL?

Choose the heterogeneous mixture from the list below.

The factor 10-3 corresponds to which prefix?

If a room requires 25.4 square yards of carpeting,what is the area of the floor in units of ft2? (3 ft = 1 yd)

The correct answer (reported to the proper number of significant figures)to the following is ________. (1815 - 1806)× (9.11 × 7.92)= ________

Which glassware is best to measure 10.5 mL of a liquid?

Define matter.

Which of the following is an example of chemical change?

If the melting point of vanadium metal is 1910°C,what is its melting point in Kelvin?

How many significant figures are there in the answer for the following problem? = ?

The estimated costs for remodeling the interior of an apartment are: three 1-gallon cans of paint at $13.22 each,two paint brushes at $9.53 each,and $135 for a helper.The total estimated cost with the appropriate significant figures is $________.

How many kL does a 1.25 × 108 cL sample contain?

Which of the following is an example of a chemical change?

What symbol is used to represent the factor 10-1?

Which of the following is the lowest temperature?

A person weighs 77.1 kg.What is their weight in pounds?

A fishing boat accidentally spills 3.0 barrels of diesel oil into the ocean.Each barrel contains 42 gallons.If the oil film on the ocean is 2.5 × 102 nm thick,how many square meters will the oil slick cover?

A sample of liquid isopropyl alcohol is placed in a sealed container.Some of the volatile isopropyl alcohol vaporizes.Does the mass of the sealed container and its contents change during the vaporization? Explain.

Which of the following is an example of physical change?

How many mg does a 433 kg sample contain?

Atoms and Elements

Molecules, Compounds and Chemical Equations

Chemical Quantities and Aqueous Reactions

Gases

Thermochemistry

The Quantum-Mechanical Model of the Atom

Periodic Properties of the Elements

Chemical Bonding I: Lewis Theory

Chemical Bonding II: Molecular Shapes, Valence Bond Theory, and

Liquids, Solids, and Intermolecular Forces

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Free Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Filters

The factor 10^-3 corresponds to which prefix?

If a room requires 25.4 square yards of carpeting,what is the area of the floor in units of ft²? (3 ft = 1 yd)

The correct answer (reported to the proper number of significant figures)to the following is . (1815 - 1806)× (9.11 × 7.92)=

How many kL does a 1.25 × 10⁸ cL sample contain?

What symbol is used to represent the factor 10^-1?

A fishing boat accidentally spills 3.0 barrels of diesel oil into the ocean.Each barrel contains 42 gallons.If the oil film on the ocean is 2.5 × 10² nm thick,how many square meters will the oil slick cover?