Question 1

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 comparisonE) All of the above
F) A) and D)

Question 2

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 × 107F) All of the above
G) A) and C)

Question 3

Which quantity is an exact number?

Accepted Answer

A)  3 cars
B)  1,000 m
C)  2 L
D)  453.6 gE) B) and C)
F) A) and B)

Question 4

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

Accepted Answer

A) True 
 B)False

Question 5

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

Accepted Answer

A) True 
 B)False

Question 6

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 × 10-3F) B) and C)
G) All of the above

Question 7

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 mLE) B) and D)
F) B) and C)

Question 8

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 °CE) A) and D)
F) A) and B)

Question 9

Dissolving sugar in water involves a chemical change.

Accepted Answer

A) True 
 B)False

Question 10

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

Accepted Answer

A) True 
 B)False

Question 11

A ________ change converts one material to another.

Accepted Answer

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

Question 12

The meaning of the metric prefix milli- is 1000.

Accepted Answer

A) True 
 B)False

Question 13

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.E) A) and B)
F) B) and D)

Question 14

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 deciliterE) B) and C)
F) C) and D)

Question 15

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.E) All of the above
F) A) and D)

Question 16

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 17

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

Accepted Answer

A) True 
 B)False

Question 18

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

Accepted Answer

A) True 
 B)False

Question 19

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. dLF) A) and D)
G) None of the above

Question 20

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

Accepted Answer

A) True 
 B)False

Exam 1: Matter and Measurement

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?

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

A ________ change converts one material to another.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The meaning of the metric prefix milli- is 1000.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which quantity is an exact number?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The number 0.0035880 expressed correctly using scientific notation is ________.

Correct AnswerverifiedShow Answer

Dissolving sugar in water involves a chemical change.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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?

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

Correct Answer
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