Question 1

Convert: 65.1 cm = ____________ m.

Accepted Answer

A)    m 
B)    m 
C)  0.0651 m 
D)  0.651 m 
E)  6.51 m 
A)    m 
B)    m 
C)  0.0651 m 
D)  0.651 m 
E)  6.51 m

Question 2

The product of 0.1400 * 6.02 *1023 will have how many significant figures?

Accepted Answer

A)  2 
B)  3 
C)  23 
D)  1023 
E)  7 
A)  2 
B)  3 
C)  23 
D)  1023 
E)  7

Question 3

Convert 0.9309 L to centiliters.

Accepted Answer

A)  0.009309 cL 
B)  930.9 cL 
C)  93.09 cL 
D)  0.09309 cL 
E)  9.309 cL 
A)  0.009309 cL 
B)  930.9 cL 
C)  93.09 cL 
D)  0.09309 cL 
E)  9.309 cL

Question 4

What volume would be occupied by a piece of aluminum (density = 2.70 g/mL) weighing 98.0 g?

Accepted Answer

A)  265 mL 
B)    mL 
C)  36.3 mL 
D)  3.63 mL 
E)  none of these 
A)  265 mL 
B)    mL 
C)  36.3 mL 
D)  3.63 mL 
E)  none of these

Question 5

Convert: 828.6 qt = ____________ mL.

Accepted Answer

A)    mL 
B)  878.3 mL 
C)    mL 
D)    mL 
E)    mL 
A)    mL 
B)  878.3 mL 
C)    mL 
D)    mL 
E)    mL

Question 6

Using zero as your reference point, how much liquid has left the buret? Use the correct number of significant figures.

Accepted Answer

A)  20 mL 
B)  22 mL 
C)  22.0 mL 
D)  38 mL 
E)  38.0 mL 
A)  20 mL 
B)  22 mL 
C)  22.0 mL 
D)  38 mL 
E)  38.0 mL

Question 7

A solid object with a volume of 5.62 mL weighs 108
g. Would this object float or sink in mercury? Explain. (Density of Hg = 13.6 g/mL.)

Accepted Answer

The object would sin

Question 8

Convert: 6.0 mm = _____________ km.

Accepted Answer

A)    km 
B)    km 
C)    km 
D)    km 
E)    km 
A)    km 
B)    km 
C)    km 
D)    km 
E)    km

Question 9

How many significant figures are in the number 19.8030?

Accepted Answer

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

Question 10

Aluminum has a density of 2.70 g/cm3. What is the mass of a rectangular block of aluminum measuring 11.1 cm by 22.2 cm by 34.5 cm?

Accepted Answer

A)  183 kg 
B)    kg 
C)  0.318 kg 
D)  23.0 kg 
E)  none of these 
A)  183 kg 
B)    kg 
C)  0.318 kg 
D)  23.0 kg 
E)  none of these

Question 11

A chunk of sulfur has a volume of 5.95 cm3. What is the mass of this sulfur? (Density of sulfur = 2.07 g/cm3.)

Accepted Answer

A)  0.348 g 
B)  5.95 g 
C)  2.87 g 
D)  3.88 g 
E)  12.3 g 
A)  0.348 g 
B)  5.95 g 
C)  2.87 g 
D)  3.88 g 
E)  12.3 g

Question 12

An object has a mass of 40.1 g and occupies a volume of 7.67 mL. The density of this object is

Accepted Answer

A)  308 g/mL 
B)  0.191 g/mL 
C)  5.23 g/mL 
D)  too low to measure 
E)  40.1 g/mL 
A)  308 g/mL 
B)  0.191 g/mL 
C)  5.23 g/mL 
D)  too low to measure 
E)  40.1 g/mL

Question 13

How many significant figures are there in the result of the following calculation? (4.321/2.8)* (6.9234 * 105)

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
E)  5 
A)  1 
B)  2 
C)  3 
D)  4 
E)  5

Question 14

The fundamental unit of length in the metric system is the

Accepted Answer

A)  kilometer 
B)  meter 
C)  centimeter 
D)  gram 
E)  milliliter 
A)  kilometer 
B)  meter 
C)  centimeter 
D)  gram 
E)  milliliter

Question 15

The number of milliliters in 0.0483 liter is

Accepted Answer

A)    mL 
B)  48.3 mL 
C)  4.83 mL 
D)  483 mL 
E)    mL 
A)    mL 
B)  48.3 mL 
C)  4.83 mL 
D)  483 mL 
E)    mL

Question 16

Cesium melts at 302 K and boils at 944 K. What would be the physical state of cesium at 25°C?

Accepted Answer

The answer of Cesium melts at 302 K and boils...

Question 17

If a 100.-g sample of a metal has a volume of 8.65 mL, what is the density of the metal?

Accepted Answer

A)  11.6 g/mL 
B)  1.16 g/mL 
C)  0.0865 g/mL 
D)  9 g/mL 
E)  none of these 
A)  11.6 g/mL 
B)  1.16 g/mL 
C)  0.0865 g/mL 
D)  9 g/mL 
E)  none of these

Question 18

The number 0.005837 expressed in scientific notation is

Accepted Answer

A)  5.84 * 103 
B)  5.837 * 103 
C)  5.84 * 10-3 
D)  5.837 * 10-3 
E)  5837* 10-6 
A)  5.84 * 103 
B)  5.837 * 103 
C)  5.84 * 10-3 
D)  5.837 * 10-3 
E)  5837* 10-6

Question 19

A piece of an unknown metal weighs 400.1 g and occupies a volume of 72.2 mL. What is the density of this metal?

Accepted Answer

A)    g/mL 
B)  5.54 g/mL 
C)  0.180 g/mL 
D)  55.4 g/mL 
E)  none of these 
A)    g/mL 
B)  5.54 g/mL 
C)  0.180 g/mL 
D)  55.4 g/mL 
E)  none of these

Question 20

How many significant figures should there be in the answer when you divide 4.1 by 7.464?

Accepted Answer

A)  7 
B)  4 
C)  3 
D)  2 
E)  1 
A)  7 
B)  4 
C)  3 
D)  2 
E)  1

Exam 2: Measurements and Calculations

Convert: 65.1 cm = ____________ m.

The product of 0.1400 * 6.02 *1023 will have how many significant figures?

Convert 0.9309 L to centiliters.

What volume would be occupied by a piece of aluminum (density = 2.70 g/mL) weighing 98.0 g?

Convert: 828.6 qt = ____________ mL.

Using zero as your reference point, how much liquid has left the buret? Use the correct number of significant figures.

A solid object with a volume of 5.62 mL weighs 108 g. Would this object float or sink in mercury? Explain. (Density of Hg = 13.6 g/mL.)

Convert: 6.0 mm = _____________ km.

How many significant figures are in the number 19.8030?

Aluminum has a density of 2.70 g/cm3. What is the mass of a rectangular block of aluminum measuring 11.1 cm by 22.2 cm by 34.5 cm?

A chunk of sulfur has a volume of 5.95 cm3. What is the mass of this sulfur? (Density of sulfur = 2.07 g/cm3.)

An object has a mass of 40.1 g and occupies a volume of 7.67 mL. The density of this object is

How many significant figures are there in the result of the following calculation? (4.321/2.8)* (6.9234 * 105)

The fundamental unit of length in the metric system is the

The number of milliliters in 0.0483 liter is

Cesium melts at 302 K and boils at 944 K. What would be the physical state of cesium at 25°C?

If a 100.-g sample of a metal has a volume of 8.65 mL, what is the density of the metal?

The number 0.005837 expressed in scientific notation is

A piece of an unknown metal weighs 400.1 g and occupies a volume of 72.2 mL. What is the density of this metal?

How many significant figures should there be in the answer when you divide 4.1 by 7.464?

Chemistry: an Introduction

Matter

Chemical Foundations: Elements, Atoms, and Ions

Nomenclature

Chemical Reactions: an Introduction

Reactions in Aqueous Solutions

Chemical Composition

Chemical Quantities

Energy

Modern Atomic Theory

Chemical Bonding

Gases

Liquids and Solids

Solutions

Acids and Bases

Equilibrium

Oxidation-Reduction Reactions and Electrochemistry

Radioactivity and Nuclear Energy

Organic Chemistry

Biochemistry

Filters

The product of 0.1400 * 6.02 *10²³ will have how many significant figures?

Aluminum has a density of 2.70 g/cm³. What is the mass of a rectangular block of aluminum measuring 11.1 cm by 22.2 cm by 34.5 cm?

A chunk of sulfur has a volume of 5.95 cm³. What is the mass of this sulfur? (Density of sulfur = 2.07 g/cm³.)

How many significant figures are there in the result of the following calculation? (4.321/2.8)* (6.9234 * 10⁵)