Question 1

If the temperature is 25°C,what is the temperature in K?

Accepted Answer

A) 45 K 
B) 298 K 
C) 77 K 
D) -3.89 K 
A) 45 K 
B) 298 K 
C) 77 K 
D) -3.89 K

Question 2

How many significant figures are in 1009.630 mL?

Accepted Answer

A) 3 
B) 4 
C) 5 
D) 6 
E) 7 
A) 3 
B) 4 
C) 5 
D) 6 
E) 7

Question 3

Which of the following is the smallest volume?

Accepted Answer

A) 44 cm3 
B) 1.0 dL 
C) 5.5 × 103 mL 
D) 1.0 × 108 nL 
A) 44 cm3 
B) 1.0 dL 
C) 5.5 × 103 mL 
D) 1.0 × 108 nL

Question 4

How many significant figures are there in the answer to the following problem?
(9.992 × 3.200)+ 0.610 = ?

Accepted Answer

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

Question 5

Which of the following are examples of intensive properties?

Accepted Answer

A) density 
B) volume 
C) mass 
D) None of the above are examples of intensive properties. 
E) All of the above are examples of intensive properties. 
A) density 
B) volume 
C) mass 
D) None of the above are examples of intensive properties. 
E) All of the above are examples of intensive properties.

Question 6

Give the composition of water.

Accepted Answer

A) two hydrogen atoms and two oxygen atoms 
B) one hydrogen atom and one oxygen atom 
C) two hydrogen atoms and one oxygen atom 
D) one hydrogen atom and two oxygen atoms 
A) two hydrogen atoms and two oxygen atoms 
B) one hydrogen atom and one oxygen atom 
C) two hydrogen atoms and one oxygen atom 
D) one hydrogen atom and two oxygen atoms

Question 7

Round the following number to four significant figures and express the result in standard exponential notation: 229.613

Accepted Answer

A) 0.2296 × 103 
B) 229.6 
C) 2.296 × 10-2 
D) 2.296 × 102 
E) 22.96 × 10-1 
A) 0.2296 × 103 
B) 229.6 
C) 2.296 × 10-2 
D) 2.296 × 102 
E) 22.96 × 10-1

Question 8

What decimal power does the abbreviation f represent?

Accepted Answer

A) 1 × 106 
B) 1 × 103 
C) 1 × 10-1 
D) 1 × 10-15 
E) 1 × 10-12 
A) 1 × 106 
B) 1 × 103 
C) 1 × 10-1 
D) 1 × 10-15 
E) 1 × 10-12

Question 9

Which of the following statements about crystalline and amorphous solids is true?

Accepted Answer

A) A crystalline solid is composed of atoms or molecules arranged with long-range repeating order. 
B) An example of a crystalline solid is glass. 
C) An example of an amorphous solid is table salt (NaCl). 
D) An amorphous solid is composed of atoms or molecules arranged with long-range repeating order. 
E) An amorphous solid has the well-ordered geometric arrangements of atoms. 
A) A crystalline solid is composed of atoms or molecules arranged with long-range repeating order. 
B) An example of a crystalline solid is glass. 
C) An example of an amorphous solid is table salt (NaCl). 
D) An amorphous solid is composed of atoms or molecules arranged with long-range repeating order. 
E) An amorphous solid has the well-ordered geometric arrangements of atoms.

Question 10

Which of the following is the greatest mass?

Accepted Answer

A) 1000 μg 
B) 1.000 × 10-4 kg 
C) 1.000 × 10-4 cg 
D) 1.000 × 10-8 mg 
A) 1000 μg 
B) 1.000 × 10-4 kg 
C) 1.000 × 10-4 cg 
D) 1.000 × 10-8 mg

Question 11

How many significant figures are in 3.408 × 104 m?

Accepted Answer

A) 3 
B) 4 
C) 5 
D) 7 
E) 8 
A) 3 
B) 4 
C) 5 
D) 7 
E) 8

Question 12

Which of the following statements is true?

Accepted Answer

A) A scientific law is fact. 
B) Once a theory is constructed,it is considered fact. 
C) A hypothesis is speculation that is difficult to test. 
D) An observation explains why nature does something. 
E) A scientific law summarizes a series of related observations. 
A) A scientific law is fact. 
B) Once a theory is constructed,it is considered fact. 
C) A hypothesis is speculation that is difficult to test. 
D) An observation explains why nature does something. 
E) A scientific law summarizes a series of related observations.

Question 13

If an object has a density of 8.65 g/cm3,what is its density in units of kg/m3?

Accepted Answer

A) 8.65 × 10-3 kg/m3 
B) 8.65 × 10-7 kg/m3 
C) 8.65 × 103 kg/m3 
D) 8.65 × 101 kg/m3 
E) 8.65 × 10-1 kg/m3 
A) 8.65 × 10-3 kg/m3 
B) 8.65 × 10-7 kg/m3 
C) 8.65 × 103 kg/m3 
D) 8.65 × 101 kg/m3 
E) 8.65 × 10-1 kg/m3

Question 14

Determine the mass of an object that has a volume of 88.6 mL and a density of 9.77 g/mL.

Accepted Answer

A) 298 g 
B) 1100 g 
C) 907 g 
D) 568 g 
E) 866 g 
A) 298 g 
B) 1100 g 
C) 907 g 
D) 568 g 
E) 866 g

Question 15

Define precision.

Accepted Answer

How close a series o

Question 16

Two or more substances in variable proportions,where the composition is variable throughout are considered

Accepted Answer

A) a solution. 
B) a homogeneous mixture. 
C) a compound. 
D) an amorphous solid. 
E) a heterogeneous mixture. 
A) a solution. 
B) a homogeneous mixture. 
C) a compound. 
D) an amorphous solid. 
E) a heterogeneous mixture.

Question 17

Convert 4 μm to meters.

Accepted Answer

A) 4 × 10-9 m 
B) 4 × 10-6 m 
C) 4 × 10-3 m 
D) 4 × 106 m 
A) 4 × 10-9 m 
B) 4 × 10-6 m 
C) 4 × 10-3 m 
D) 4 × 106 m

Question 18

Choose the pure substance from the list below.

Accepted Answer

A) tea 
B) a casserole 
C) carbon monoxide 
D) sugar water 
E) pomegranate juice 
A) tea 
B) a casserole 
C) carbon monoxide 
D) sugar water 
E) pomegranate juice

Question 19

A mass of mercury occupies 0.950 L.What volume would an equal mass of ethanol occupy? The density of mercury is 13.546 g/mL and the density of ethanol is 0.789 g/mL.

Accepted Answer

A) 0.0553 L 
B) 0.0613 L 
C) 16.3 L 
D) 18.1 L 
A) 0.0553 L 
B) 0.0613 L 
C) 16.3 L 
D) 18.1 L

Question 20

The diameter of an atom is approximately 1 × 10-10 m.What is the diameter in millimeters?

Accepted Answer

A) 1 × 10-16 mm 
B) 1 × 10-13 mm 
C) 1 × 10-7 mm 
D) 1 × 10-4 mm 
A) 1 × 10-16 mm 
B) 1 × 10-13 mm 
C) 1 × 10-7 mm 
D) 1 × 10-4 mm

If the temperature is 25°C,what is the temperature in K?

How many significant figures are in 1009.630 mL?

Which of the following is the smallest volume?

How many significant figures are there in the answer to the following problem? (9.992 × 3.200)+ 0.610 = ?

Which of the following are examples of intensive properties?

Give the composition of water.

Round the following number to four significant figures and express the result in standard exponential notation: 229.613

What decimal power does the abbreviation f represent?

Which of the following statements about crystalline and amorphous solids is true?

Which of the following is the greatest mass?

How many significant figures are in 3.408 × 10⁴ m?

Which of the following statements is true?

If an object has a density of 8.65 g/cm³,what is its density in units of kg/m³?

Determine the mass of an object that has a volume of 88.6 mL and a density of 9.77 g/mL.

Define precision.

Two or more substances in variable proportions,where the composition is variable throughout are considered

Convert 4 μm to meters.

Choose the pure substance from the list below.

A mass of mercury occupies 0.950 L.What volume would an equal mass of ethanol occupy? The density of mercury is 13.546 g/mL and the density of ethanol is 0.789 g/mL.

The diameter of an atom is approximately 1 × 10^-10 m.What is the diameter in millimeters?

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

If the temperature is 25°C,what is the temperature in K?

How many significant figures are in 1009.630 mL?

Which of the following is the smallest volume?

How many significant figures are there in the answer to the following problem? (9.992 × 3.200)+ 0.610 = ?

Which of the following are examples of intensive properties?

Give the composition of water.

Round the following number to four significant figures and express the result in standard exponential notation: 229.613

What decimal power does the abbreviation f represent?

Which of the following statements about crystalline and amorphous solids is true?

Which of the following is the greatest mass?

How many significant figures are in 3.408 × 104 m?

Which of the following statements is true?

If an object has a density of 8.65 g/cm3,what is its density in units of kg/m3?

Determine the mass of an object that has a volume of 88.6 mL and a density of 9.77 g/mL.

Define precision.

Two or more substances in variable proportions,where the composition is variable throughout are considered

Convert 4 μm to meters.

Choose the pure substance from the list below.

A mass of mercury occupies 0.950 L.What volume would an equal mass of ethanol occupy? The density of mercury is 13.546 g/mL and the density of ethanol is 0.789 g/mL.

The diameter of an atom is approximately 1 × 10-10 m.What is the diameter in millimeters?

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

How many significant figures are in 3.408 × 10⁴ m?

If an object has a density of 8.65 g/cm³,what is its density in units of kg/m³?

The diameter of an atom is approximately 1 × 10^-10 m.What is the diameter in millimeters?