Question 1

The mass of a single zinc atom is 1.086 × 10-22 g.This is the same mass as

Accepted Answer

A) 1.086 × 10-16 mg. 
B) 1.086 × 10-25 kg. 
C) 1.086 × 10-28 μg. 
D) 1.086 × 10-31 ng. 
A) 1.086 × 10-16 mg. 
B) 1.086 × 10-25 kg. 
C) 1.086 × 10-28 μg. 
D) 1.086 × 10-31 ng.

Question 2

If the walls in a room are 955 square feet in area,and a gallon of paint covers 15 square yards,how many gallons of paint are needed for the room? (3 ft = 1 yd)

Accepted Answer

A) 47 gallons 
B) 21 gallons 
C) 7.1 gallons 
D) 24 gallons 
E) 2.3 gallons 
A) 47 gallons 
B) 21 gallons 
C) 7.1 gallons 
D) 24 gallons 
E) 2.3 gallons

Question 3

Which of the following represents a chemical property of hydrogen gas?

Accepted Answer

A) It is gaseous at room temperature. 
B) It is less dense than air. 
C) It reacts explosively with oxygen. 
D) It is colorless. 
E) It is tasteless. 
A) It is gaseous at room temperature. 
B) It is less dense than air. 
C) It reacts explosively with oxygen. 
D) It is colorless. 
E) It is tasteless.

Question 4

How many significant figures are there in the answer for the following problem?
56.4 + 0.8822 + 21 = ?

Accepted Answer

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

Question 5

A substance composed of 2 or more elements in a fixed,definite proportion is considered

Accepted Answer

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

Question 6

38.325 lbs = ________ grams.(1 lb = 454 g)

Accepted Answer

The answer of 38.325 lbs = ________ grams.(1 lb =...

Question 7

Choose the homogeneous mixture from the list below.

Accepted Answer

A) cola 
B) air 
C) concrete 
D) trail mix 
E) blood 
A) cola 
B) air 
C) concrete 
D) trail mix 
E) blood

Question 8

Choose the heterogeneous mixture from the list below.

Accepted Answer

A) sports drink 
B) chlorine gas 
C) beer 
D) lasagna 
E) carbon (graphit
E)  
A) sports drink 
B) chlorine gas 
C) beer 
D) lasagna 
E) carbon (graphit
E)

Question 9

A student performs an experiment to determine the density of a sugar solution.She obtains the following results: 4.11 g/mL,4.81 g/mL,4.95 g/mL,3.75 g/mL.If the actual value for the density of the sugar solution is 4.75 g/mL,which statement below best describes her results?

Accepted Answer

A) Her results are precise,but not accurate. 
B) Her results are accurate,but not precise. 
C) Her results are both precise and accurate 
D) Her results are neither precise nor accurate. 
E) It isn't possible to determine with the information given. 
A) Her results are precise,but not accurate. 
B) Her results are accurate,but not precise. 
C) Her results are both precise and accurate 
D) Her results are neither precise nor accurate. 
E) It isn't possible to determine with the information given.

Question 10

The recommended adult dose of Elixophyllin a drug used to treat asthma,is 6.00 mg/kg of body mass.Calculate the dose in milligrams for a 115-lb person.1 lb = 453.59 g.

Accepted Answer

A) 24 
B) 1,521 
C) 1.5 
D) 313 
E) 3.1 × 105 
A) 24 
B) 1,521 
C) 1.5 
D) 313 
E) 3.1 × 105

Question 11

Convert 35 m3 to liters.

Accepted Answer

A) 3.5 × 10-2 L 
B) 3.5 L 
C) 3.5 × 102 L 
D) 3.5 × 104 L 
A) 3.5 × 10-2 L 
B) 3.5 L 
C) 3.5 × 102 L 
D) 3.5 × 104 L

Question 12

Which of the following statements about energy is false?

Accepted Answer

A) Energy can be converted from one type to another. 
B) The total energy of a system remains constant. 
C) Thermal energy is the energy associated with its position or composition. 
D) Kinetic energy is the capacity to do work. 
E) Systems tend to change in order to lower their potential energy. 
A) Energy can be converted from one type to another. 
B) The total energy of a system remains constant. 
C) Thermal energy is the energy associated with its position or composition. 
D) Kinetic energy is the capacity to do work. 
E) Systems tend to change in order to lower their potential energy.

Question 13

The mass of a proton is 1.67 × 10-27 kg.What is the mass of a proton in picograms?

Accepted Answer

A) 1.67 × 10-18 pg 
B) 1.67 × 10-15 pg 
C) 1.67 × 10-12 pg 
D) 1.67 × 10-9 pg 
A) 1.67 × 10-18 pg 
B) 1.67 × 10-15 pg 
C) 1.67 × 10-12 pg 
D) 1.67 × 10-9 pg

Question 14

The factor 1,000,000 corresponds to which prefix?

Accepted Answer

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

Question 15

What is the volume (in cm3)of a 43.6 g piece of metal with a density of 2.71 g/cm3?

Accepted Answer

A) 16.1 
B) 19.5 
C) .425 
D) 6.65 
E) none of the above 
A) 16.1 
B) 19.5 
C) .425 
D) 6.65 
E) none of the above

Question 16

How many significant figures are in the measurement,0.0005890 g?

Accepted Answer

A) 4 
B) 5 
C) 6 
D) 7 
E) 8 
A) 4 
B) 5 
C) 6 
D) 7 
E) 8

Question 17

NaN is an example of

Accepted Answer

A) a compound. 
B) an element. 
C) a heterogeneous mixture. 
D) a homogeneous mixture. 
A) a compound. 
B) an element. 
C) a heterogeneous mixture. 
D) a homogeneous mixture.

Question 18

How many significant figures are in the measurement,463.090 m?

Accepted Answer

A) 2 
B) 3 
C) 4 
D) 5 
E) 6 
A) 2 
B) 3 
C) 4 
D) 5 
E) 6

Question 19

Determine the density of an object that has a mass of 149.8 g and displaces 12 .1 mL of water when placed in a graduated cylinder.

Accepted Answer

A) 8.08 g/mL 
B) 1.38 g/mL 
C) 12.4 g/mL 
D) 18.1 g/mL 
E) 11.4 g/mL 
A) 8.08 g/mL 
B) 1.38 g/mL 
C) 12.4 g/mL 
D) 18.1 g/mL 
E) 11.4 g/mL

Question 20

Identify the crystalline solid.

Accepted Answer

A) plastic 
B) glass 
C) table salt 
D) water 
E) bleach 
A) plastic 
B) glass 
C) table salt 
D) water 
E) bleach

The mass of a single zinc atom is 1.086 × 10^-22 g.This is the same mass as

If the walls in a room are 955 square feet in area,and a gallon of paint covers 15 square yards,how many gallons of paint are needed for the room? (3 ft = 1 yd)

Which of the following represents a chemical property of hydrogen gas?

How many significant figures are there in the answer for the following problem? 56.4 + 0.8822 + 21 = ?

A substance composed of 2 or more elements in a fixed,definite proportion is considered

38.325 lbs = ________ grams.(1 lb = 454 g)

Choose the homogeneous mixture from the list below.

Choose the heterogeneous mixture from the list below.

A student performs an experiment to determine the density of a sugar solution.She obtains the following results: 4.11 g/mL,4.81 g/mL,4.95 g/mL,3.75 g/mL.If the actual value for the density of the sugar solution is 4.75 g/mL,which statement below best describes her results?

The recommended adult dose of Elixophyllin a drug used to treat asthma,is 6.00 mg/kg of body mass.Calculate the dose in milligrams for a 115-lb person.1 lb = 453.59 g.

Convert 35 m³ to liters.

Which of the following statements about energy is false?

The mass of a proton is 1.67 × 10^-27 kg.What is the mass of a proton in picograms?

The factor 1,000,000 corresponds to which prefix?

What is the volume (in cm³)of a 43.6 g piece of metal with a density of 2.71 g/cm³?

How many significant figures are in the measurement,0.0005890 g?

NaN is an example of

How many significant figures are in the measurement,463.090 m?

Determine the density of an object that has a mass of 149.8 g and displaces 12 .1 mL of water when placed in a graduated cylinder.

Identify the crystalline solid.

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

The mass of a single zinc atom is 1.086 × 10-22 g.This is the same mass as

If the walls in a room are 955 square feet in area,and a gallon of paint covers 15 square yards,how many gallons of paint are needed for the room? (3 ft = 1 yd)

Which of the following represents a chemical property of hydrogen gas?

How many significant figures are there in the answer for the following problem? 56.4 + 0.8822 + 21 = ?

A substance composed of 2 or more elements in a fixed,definite proportion is considered

38.325 lbs = ________ grams.(1 lb = 454 g)

Choose the homogeneous mixture from the list below.

Choose the heterogeneous mixture from the list below.

A student performs an experiment to determine the density of a sugar solution.She obtains the following results: 4.11 g/mL,4.81 g/mL,4.95 g/mL,3.75 g/mL.If the actual value for the density of the sugar solution is 4.75 g/mL,which statement below best describes her results?

The recommended adult dose of Elixophyllin a drug used to treat asthma,is 6.00 mg/kg of body mass.Calculate the dose in milligrams for a 115-lb person.1 lb = 453.59 g.

Convert 35 m3 to liters.

Which of the following statements about energy is false?

The mass of a proton is 1.67 × 10-27 kg.What is the mass of a proton in picograms?

The factor 1,000,000 corresponds to which prefix?

What is the volume (in cm3)of a 43.6 g piece of metal with a density of 2.71 g/cm3?

How many significant figures are in the measurement,0.0005890 g?

NaN is an example of

How many significant figures are in the measurement,463.090 m?

Determine the density of an object that has a mass of 149.8 g and displaces 12 .1 mL of water when placed in a graduated cylinder.

Identify the crystalline solid.

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 mass of a single zinc atom is 1.086 × 10^-22 g.This is the same mass as

Convert 35 m³ to liters.

The mass of a proton is 1.67 × 10^-27 kg.What is the mass of a proton in picograms?

What is the volume (in cm³)of a 43.6 g piece of metal with a density of 2.71 g/cm³?