Question 1

The specific gravity of a substance has units of g/mL.

Accepted Answer

A) True 
 B)False

Question 2

Which quantity is an exact number?

Accepted Answer

A) 3 cars 
B) 1,000 m 
C) 2 L 
D) 453.6 g 
A) 3 cars 
B) 1,000 m 
C) 2 L 
D) 453.6 g

Question 3

The number 0.0035880 expressed correctly using scientific notation is ________.

Accepted Answer

A) 0.0035889 
B) 3.5880 × 103 
C) 3.5880 × 10-3 
D) 3.5880 × 10-4 
E) 3.588 × 10-3 
A) 0.0035889 
B) 3.5880 × 103 
C) 3.5880 × 10-3 
D) 3.5880 × 10-4 
E) 3.588 × 10-3

Question 4

A syringe has a volume of 5.0 mL. What is this volume in deciliters?

Accepted Answer

A) 0.00050 dL 
B) 0.0050 dL 
C) 0.050 dL 
D) 0.50 dL 
E) 50. dL 
A) 0.00050 dL 
B) 0.0050 dL 
C) 0.050 dL 
D) 0.50 dL 
E) 50. dL

Question 5

In which state of matter are the particles close together and highly organized?

Accepted Answer

A) Solid 
B) Liquid 
C) Gas 
D) All of the choices are correct. 
A) Solid 
B) Liquid 
C) Gas 
D) All of the choices are correct.

Question 6

Which state of matter does not have a definite shape or volume?

Accepted Answer

A) Solid 
B) Liquid 
C) Gas 
D) All of the choices are correct. 
A) Solid 
B) Liquid 
C) Gas 
D) All of the choices are correct.

Question 7

The number 900,027,300 has nine significant figures.

Accepted Answer

A) True 
 B)False

Question 8

The density of olive oil is greater at 200 °C than at 25 °C.

Accepted Answer

A) True 
 B)False

Question 9

The temperature -60 °C is higher than -60 °F.

Accepted Answer

A) True 
 B)False

Question 10

A hiker with hypothermia has a body temperature of 82 °F. What is his body temperature in °C?

Accepted Answer

A) 14 °C 
B) 28 °C 
C) 31 °C 
D) 50 °C 
A) 14 °C 
B) 28 °C 
C) 31 °C 
D) 50 °C

Question 11

Dissolving sugar in water involves a chemical change.

Accepted Answer

A) True 
 B)False

Question 12

The number 0.0007270 is larger than the number 5.7 × 10-3.

Accepted Answer

A) True 
 B)False

Question 13

The density of human urine is normally between 1.003 and 1.030 g/mL,and is often used as a diagnostic tool. If a 25.00 mL sample of urine from a patient has a mass of 26.875 g,how does the density of the urine sample compare to the normal range?

Accepted Answer

A) The density of the sample is lower than the normal range 
B) The density of the sample is greater than the normal range 
C) The density of the sample is within the normal range 
D) There is insufficient information to make a comparison 
A) The density of the sample is lower than the normal range 
B) The density of the sample is greater than the normal range 
C) The density of the sample is within the normal range 
D) There is insufficient information to make a comparison

Question 14

The measurement 78,005,760 expressed correctly using scientific notation is ________.

Accepted Answer

A) 7.8005760 × 107 
B) 7.8005760 × 10-7 
C) 7.8 × 107 
D) 7.800576 × 10-7 
E) 7.800576 × 107 
A) 7.8005760 × 107 
B) 7.8005760 × 10-7 
C) 7.8 × 107 
D) 7.800576 × 10-7 
E) 7.800576 × 107

Question 15

A ________ change converts one material to another.

Accepted Answer

The answer of A ________ change converts one material to...

Question 16

A beaker contains 145.675 mL of a saline solution. If 24.2 mL of the saline solution are removed from the beaker,what volume of solution remains?

Accepted Answer

A) 121.475 mL 
B) 121.4 mL 
C) 121.5 mL 
D) 121 mL 
A) 121.475 mL 
B) 121.4 mL 
C) 121.5 mL 
D) 121 mL

Question 17

In reading a number with a decimal point from left to right,all digits starting with the first nonzero number are significant figures.

Accepted Answer

A) True 
 B)False

Question 18

For a person between the ages of 10 and 29,the normal range of blood triglycerides is 53 × 104 mg/dL. What is the correct interpretation of the units in this measurement?

Accepted Answer

A) milligrams times deciliter 
B) micrograms per deciliter 
C) megagrams per deciliter 
D) milligrams per deciliter 
A) milligrams times deciliter 
B) micrograms per deciliter 
C) megagrams per deciliter 
D) milligrams per deciliter

Question 19

The meaning of the metric prefix milli- is 1000.

Accepted Answer

A) True 
 B)False

Question 20

When subtracting 15 from 762.85 the answer should be reported with two significant figures.

Accepted Answer

A) True 
 B)False

Exam 1: Matter and Measurement

The specific gravity of a substance has units of g/mL.

Which quantity is an exact number?

The number 0.0035880 expressed correctly using scientific notation is ________.

A syringe has a volume of 5.0 mL. What is this volume in deciliters?

In which state of matter are the particles close together and highly organized?

Which state of matter does not have a definite shape or volume?

The number 900,027,300 has nine significant figures.

The density of olive oil is greater at 200 °C than at 25 °C.

The temperature -60 °C is higher than -60 °F.

A hiker with hypothermia has a body temperature of 82 °F. What is his body temperature in °C?

Dissolving sugar in water involves a chemical change.

The number 0.0007270 is larger than the number 5.7 × 10-3.

The density of human urine is normally between 1.003 and 1.030 g/mL,and is often used as a diagnostic tool. If a 25.00 mL sample of urine from a patient has a mass of 26.875 g,how does the density of the urine sample compare to the normal range?

The measurement 78,005,760 expressed correctly using scientific notation is ________.

A ________ change converts one material to another.

A beaker contains 145.675 mL of a saline solution. If 24.2 mL of the saline solution are removed from the beaker,what volume of solution remains?

In reading a number with a decimal point from left to right,all digits starting with the first nonzero number are significant figures.

For a person between the ages of 10 and 29,the normal range of blood triglycerides is 53 × 104 mg/dL. What is the correct interpretation of the units in this measurement?

The meaning of the metric prefix milli- is 1000.

When subtracting 15 from 762.85 the answer should be reported with two significant figures.

Atoms and the Periodic Table

Ionic Compounds

Covalent Compounds

Chemical Reactions

Energy Changes,reaction Rates,and Equilibrium

Gases,liquids,and Solids

Solutions

Acids and Bases

Nuclear Chemistry

Introduction to Organic Molecules and Functional Groups

Alkanes

Unsaturated Hydrocarbons

Organic Compounds That Contain Oxygen,halogen,or Sulfur

The Three-Dimensional Shape of Molecules

Aldehydes and Ketones

Carboxylic Acids,esters,and Amides

Amines and Neurotransmitters

Lipids

Carbohydrates

Amino Acids,proteins,and Enzymes

Nucleic Acids and Protein Synthesis

Metabolism and Energy Production

Carbohydrate,lipid,and Protein Metabolism

Filters

The number 0.0007270 is larger than the number 5.7 × 10^-3.

For a person between the ages of 10 and 29,the normal range of blood triglycerides is 53 × 10⁴ mg/dL. What is the correct interpretation of the units in this measurement?