Question 1

One-thousand (1, 000)ms is the same length of time as one (1)$\mu$s.

Accepted Answer

A) True 
 B)False

Question 2

The estimated average daily requirement of folic acid for pregnant females is 520 micrograms. Which accurately expresses this value?

Accepted Answer

A) 520 mg 
B) 520 Mg 
C) 520 mG 
D) 520 $\mu$0g 
A) 520 mg 
B) 520 Mg 
C) 520 mG 
D) 520 $\mu$0g

Question 3

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 4

The density of human urine is normally between 1.003 and 1.030g/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 5

Every measurement is composed of a number and a _____.

Accepted Answer

The answer of Every measurement is composed of a number...

Question 6

The two conversion factors for the equality 1 in = 2.54 cm are properly shown below.

Accepted Answer

A) True 
 B)False

Question 7

What is the mass in grams of 85.32 mL of blood plasma with a density of 1.03 g/mL?

Accepted Answer

A) 85.32 g 
B) 82.83 g 
C) 82.8 g 
D) 87.88 g 
E) 87.9 g 
A) 85.32 g 
B) 82.83 g 
C) 82.8 g 
D) 87.88 g 
E) 87.9 g

Question 8

What is the mass in kilograms of an individual who weighs 197 lb?

Accepted Answer

A) 197 kg 
B) 8.95 kg 
C) 89.5 kg 
D) 90 kg 
E) 433 kg 
A) 197 kg 
B) 8.95 kg 
C) 89.5 kg 
D) 90 kg 
E) 433 kg

Question 9

A mixture can be separated into its components by physical changes.

Accepted Answer

A) True 
 B)False

Question 10

If a 185-lb patient is prescribed 145 mg of the cholesterol lowering drug Tricor daily, what dosage is the patient receiving in mg/kg of his body weight?

Accepted Answer

A) 0.784 mg/kg 
B) 1.28 mg/kg 
C) 0.356 mg/kg 
D) 1.72 mg/kg 
E) 0.580 mg/kg 
A) 0.784 mg/kg 
B) 1.28 mg/kg 
C) 0.356 mg/kg 
D) 1.72 mg/kg 
E) 0.580 mg/kg

Question 11

The base unit for mass in the metric system is kilograms (kg).

Accepted Answer

A) True 
 B)False

Question 12

Which volume has the most uncertainty associated with the measurement?

Accepted Answer

A) 10 mL 
B) 10.0 mL 
C) 10.00 mL 
D) all have the same degree of uncertainty 
A) 10 mL 
B) 10.0 mL 
C) 10.00 mL 
D) all have the same degree of uncertainty

Question 13

Which number is the smallest?

Accepted Answer

A) 4.38 × 103 
B) 4.38 × 102 
C) 4.38 × 10-3 
D) 4.38 × 10-2 
E) 438 
A) 4.38 × 103 
B) 4.38 × 102 
C) 4.38 × 10-3 
D) 4.38 × 10-2 
E) 438

Question 14

When the liquid carbon tetrachloride (density = 1.59 g/mL)is added to water, the top layer will be the water layer.

Accepted Answer

A) True 
 B)False

Question 15

Which number contains four significant figures?

Accepted Answer

A) 3.978 
B) 0.780 
C) 0.0085 
D) 1700 
E) Two or more of the above numbers contain four significant figures. 
A) 3.978 
B) 0.780 
C) 0.0085 
D) 1700 
E) Two or more of the above numbers contain four significant figures.

Question 16

If a piece of rock has a volume of 0.73 L and a mass of 1524 g, what is the density of the rock in g/mL?

Accepted Answer

A) 2.1 × 103 g/mL 
B) 0.48 g/mL 
C) 4.8 × 10-4 g/mL 
D) 2.1 g/mL 
E) 2.088 g/mL 
A) 2.1 × 103 g/mL 
B) 0.48 g/mL 
C) 4.8 × 10-4 g/mL 
D) 2.1 g/mL 
E) 2.088 g/mL

Question 17

The number 87, 927, 000 is larger than the number 9.7 × 106.

Accepted Answer

A) True 
 B)False

Question 18

Which metric relationship is incorrect?

Accepted Answer

A) 1 milligram = 1, 000 grams 
B) 1 dL = 100 mL 
C) 1 km = 1, 000 m 
D) 100 cg = 1 g 
E) 1 liter = 1, 000, 000 microliters 
A) 1 milligram = 1, 000 grams 
B) 1 dL = 100 mL 
C) 1 km = 1, 000 m 
D) 100 cg = 1 g 
E) 1 liter = 1, 000, 000 microliters

Question 19

Specific gravity is a quantity that compares the density of a substance with the density of water.

Accepted Answer

A) True 
 B)False

Question 20

When the measurement 340, 942 s is rounded to two significant figures, the value is properly reported as _____.

Accepted Answer

340, 000 s

Exam 1: Matter and Measurement

One-thousand (1, 000)ms is the same length of time as one (1) μ\muμ s.

The estimated average daily requirement of folic acid for pregnant females is 520 micrograms. Which accurately expresses this value?

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?

The density of human urine is normally between 1.003 and 1.030g/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?

Every measurement is composed of a number and a _____.

The two conversion factors for the equality 1 in = 2.54 cm are properly shown below.

What is the mass in grams of 85.32 mL of blood plasma with a density of 1.03 g/mL?

What is the mass in kilograms of an individual who weighs 197 lb?

A mixture can be separated into its components by physical changes.

If a 185-lb patient is prescribed 145 mg of the cholesterol lowering drug Tricor daily, what dosage is the patient receiving in mg/kg of his body weight?

The base unit for mass in the metric system is kilograms (kg).

Which volume has the most uncertainty associated with the measurement?

Which number is the smallest?

When the liquid carbon tetrachloride (density = 1.59 g/mL)is added to water, the top layer will be the water layer.

Which number contains four significant figures?

If a piece of rock has a volume of 0.73 L and a mass of 1524 g, what is the density of the rock in g/mL?

The number 87, 927, 000 is larger than the number 9.7 × 106.

Which metric relationship is incorrect?

Specific gravity is a quantity that compares the density of a substance with the density of water.

When the measurement 340, 942 s is rounded to two significant figures, the value is properly reported as _____.

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

Digestion and the Conversion of Food Into Energy

Carbohydrate, Lipid, and Protein Metabolism

Filters

One-thousand (1, 000)ms is the same length of time as one (1) $\mu$ s.

The number 87, 927, 000 is larger than the number 9.7 × 10⁶.