Question 1

An automobile engine has a piston displacement of 1,600 cm3. Express this volume in cubic inches. (1 in = 2.54 cm)

Accepted Answer

Question 2

Classify the following as either a physical or a chemical property: Newspaper burns.

Accepted Answer

The answer of Classify the following as either a physical...

Question 3

You just measured a sugar cube and obtained the following information:
mass = 3.48 g
height = length = width = 1.3 cm
Determine the volume and density of the cube. Suppose the sugar cube was added to a cup of water. Before it dissolves, will the sugar cube float or sink to the bottom?

Accepted Answer

Volume of the sugar cube = 2.2

Question 4

The SI prefixes kilo and centi represent, respectively:

Accepted Answer

A) 103 and 10- 2. 
B) 106 and 10- 1. 
C) 10- 3 and 10- 2. 
D) 10- 6 and 102. 
E) 102 and 10- 3. 
A) 103 and 10- 2. 
B) 106 and 10- 1. 
C) 10- 3 and 10- 2. 
D) 10- 6 and 102. 
E) 102 and 10- 3.

Question 5

The density of mercury is 13.6 g/cm3. What volume (in quarts)is occupied by 100. g of Hg? (1 L = 1.06 qt)

Accepted Answer

A) 144 qt 
B) 7.35 qt 
C) 7.79 qt 
D) 7.79 * 10 - 3 qt 
E) 1.44 * 10 - 4 qt 
A) 144 qt 
B) 7.35 qt 
C) 7.79 qt 
D) 7.79 * 10 - 3 qt 
E) 1.44 * 10 - 4 qt

Question 6

Convert 500. milliliters to quarts. (1L = 1.06 qt)

Accepted Answer

A) 1.88 qt 
B) 0.472 qt 
C) 0.528 qt 
D) 4.72 * 105 qt 
E) 5.28 * 105 qt 
A) 1.88 qt 
B) 0.472 qt 
C) 0.528 qt 
D) 4.72 * 105 qt 
E) 5.28 * 105 qt

Question 7

Define mixture.

Accepted Answer

A mixture is a combination of

Question 8

You just measured a metal cylinder and obtained the following information:
mass = 3.543 g
diameter = 0.53 cm
height = 4.4 cm
Determine the volume (V)and density of the cylinder. (V=$\pi$r2 h, where r = radius, h = height, $\pi$ = 3.14)

Accepted Answer

Volume of the cylind

Question 9

How many milliliters is 0.005 L?

Accepted Answer

A) 0.5 mL 
B) 5 mL 
C) 0.50 mL 
D) 0.000005 mL 
E) 200 mL 
A) 0.5 mL 
B) 5 mL 
C) 0.50 mL 
D) 0.000005 mL 
E) 200 mL

Question 10

Identify the following as a physical or chemical change: Bacteria convert milk to yogurt.

Accepted Answer

The answer of Identify the following as a physical or...

Question 11

How many significant figures does the result of the following sum contain? 8.5201 + 1.93

Accepted Answer

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

Question 12

What is the volume of a 2.5 g block of metal if its density is 4.75 g/cm3?

Accepted Answer

A) 0.53 cm3 
B) 1.9 cm3 
C) 2.5 cm3 
D) 4.75 cm3 
E) 11.9 cm3 
A) 0.53 cm3 
B) 1.9 cm3 
C) 2.5 cm3 
D) 4.75 cm3 
E) 11.9 cm3

Question 13

An aluminum beverage can contains 12.0 fluid ounces of liquid. Express this volume in liters. (1 fl oz = 29.6 mL)

Accepted Answer

A) 4.07 * 10-2 L 
B) 0.355 L 
C) 0.407 L 
D) 2.46 L 
E) 3.55 * 102 L 
A) 4.07 * 10-2 L 
B) 0.355 L 
C) 0.407 L 
D) 2.46 L 
E) 3.55 * 102 L

Question 14

Which one of the following represents a chemical change?

Accepted Answer

A) boiling water to form steam 
B) burning a piece of coal 
C) heating lead until it melts 
D) mixing iron filings and sand at room temperature 
E) breaking glass 
A) boiling water to form steam 
B) burning a piece of coal 
C) heating lead until it melts 
D) mixing iron filings and sand at room temperature 
E) breaking glass

Question 15

Many home freezers maintain a temperature of 0$\circ$F. Express this temperature in $\circ$C.

Accepted Answer

A) -32$\circ$C 
B) -18$\circ$C 
C) 0$\circ$C 
D) 18$\circ$C 
E) 57.6$\circ$C 
A) -32$\circ$C 
B) -18$\circ$C 
C) 0$\circ$C 
D) 18$\circ$C 
E) 57.6$\circ$C

Question 16

Dry ice (carbon dioxide)changes from a solid to a gas at -78.5$\circ$C. What is this temperature in $\circ$F?

Accepted Answer

A) -173$\circ$F 
B) -12.6$\circ$F 
C) -109$\circ$F 
D) -75.6$\circ$F 
E) none of them are within 2$\circ$F of the right answer 
A) -173$\circ$F 
B) -12.6$\circ$F 
C) -109$\circ$F 
D) -75.6$\circ$F 
E) none of them are within 2$\circ$F of the right answer

Question 17

What is the area, in square centimeters, of an 8.5 inch by 11 inch sheet of paper?

Accepted Answer

A) 94 cm2 
B) 240 cm2 
C) 420 cm2 
D) 6.0 * 102 cm2 
E) 1.2 * 104 cm2 
A) 94 cm2 
B) 240 cm2 
C) 420 cm2 
D) 6.0 * 102 cm2 
E) 1.2 * 104 cm2

Question 18

Classify the following as a physical or chemical change: Alcohol evaporates.

Accepted Answer

The answer of Classify the following as a physical or...

Question 19

Give three examples of mixtures.

Accepted Answer

(Answers will vary.)

Question 20

A pure yellow crystalline substance, when heated in a vacuum, releases a greenish gas and a red powder. Is the original yellow crystalline substance a compound or element?

Accepted Answer

The answer of A pure yellow crystalline substance, when heated...

Exam 1: Introduction

An automobile engine has a piston displacement of 1,600 cm3. Express this volume in cubic inches. (1 in = 2.54 cm)

Classify the following as either a physical or a chemical property: Newspaper burns.

You just measured a sugar cube and obtained the following information: mass = 3.48 g height = length = width = 1.3 cm Determine the volume and density of the cube. Suppose the sugar cube was added to a cup of water. Before it dissolves, will the sugar cube float or sink to the bottom?

The SI prefixes kilo and centi represent, respectively:

The density of mercury is 13.6 g/cm3. What volume (in quarts)is occupied by 100. g of Hg? (1 L = 1.06 qt)

Convert 500. milliliters to quarts. (1L = 1.06 qt)

Define mixture.

You just measured a metal cylinder and obtained the following information: mass = 3.543 g diameter = 0.53 cm height = 4.4 cm Determine the volume (V)and density of the cylinder. (V= π\piπ r2 h, where r = radius, h = height, π\piπ = 3.14)

How many milliliters is 0.005 L?

Identify the following as a physical or chemical change: Bacteria convert milk to yogurt.

How many significant figures does the result of the following sum contain? 8.5201 + 1.93

What is the volume of a 2.5 g block of metal if its density is 4.75 g/cm3?

An aluminum beverage can contains 12.0 fluid ounces of liquid. Express this volume in liters. (1 fl oz = 29.6 mL)

Which one of the following represents a chemical change?

Many home freezers maintain a temperature of 0 ∘\circ∘ F. Express this temperature in ∘\circ∘ C.

Dry ice (carbon dioxide)changes from a solid to a gas at -78.5 ∘\circ∘ C. What is this temperature in ∘\circ∘ F?

What is the area, in square centimeters, of an 8.5 inch by 11 inch sheet of paper?

Classify the following as a physical or chemical change: Alcohol evaporates.

Give three examples of mixtures.

A pure yellow crystalline substance, when heated in a vacuum, releases a greenish gas and a red powder. Is the original yellow crystalline substance a compound or element?

Atoms, Molecules, and Ions

Stoichiometry

Reactions in Aqueous Solution

Gases

Energy Relationships in Chemical Reactions

The Electronic Structure of Atoms

The Periodic Table

Chemical Bonding I: the Covalent Bond

Chemical Bonding Ii: Molecular Geometry and Hybridization of Atomic Orbitals

Introduction to Organic Chemistry

Intermolecular Forces and Liquids and Solids

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Thermodynamics

Redox Reactions and Electrochemistry

The Chemistry of Coordination Compounds

Nuclear Chemistry

Organic Polymerssynthetic and Natural

Filters

An automobile engine has a piston displacement of 1,600 cm³. Express this volume in cubic inches. (1 in = 2.54 cm)

The density of mercury is 13.6 g/cm³. What volume (in quarts)is occupied by 100. g of Hg? (1 L = 1.06 qt)

You just measured a metal cylinder and obtained the following information: mass = 3.543 g diameter = 0.53 cm height = 4.4 cm Determine the volume (V)and density of the cylinder. (V= $\pi$ r² h, where r = radius, h = height, $\pi$ = 3.14)

What is the volume of a 2.5 g block of metal if its density is 4.75 g/cm³?

Many home freezers maintain a temperature of 0^$\circ$F. Express this temperature in ^$\circ$C.

Dry ice (carbon dioxide)changes from a solid to a gas at -78.5^$\circ$C. What is this temperature in ^$\circ$F?