Question 1

The correct answer (reported to the proper number of significant figures)to the following is ________. 12.75 × 1.3621 = ________

Accepted Answer

A) 17.367 
B) 17.40 
C) 17.37 
D) 17.4 
E) 17.0 
A) 17.367 
B) 17.40 
C) 17.37 
D) 17.4 
E) 17.0

Question 2

Sn is the symbol for the element ________.

Accepted Answer

The answer of Sn is the symbol for the element...

Question 3

For which of the following,can the composition vary?

Accepted Answer

A) pure substance 
B) element 
C) both homogeneous and heterogeneous mixtures 
D) homogeneous mixture 
E) heterogeneous mixture 
A) pure substance 
B) element 
C) both homogeneous and heterogeneous mixtures 
D) homogeneous mixture 
E) heterogeneous mixture

Question 4

The number with the most significant zeros is ________.

Accepted Answer

A) 0.00002510 
B) 0.02500001 
C) 250000001 
D) 2.501 × 10-7 
E) 2.5100000 
A) 0.00002510 
B) 0.02500001 
C) 250000001 
D) 2.501 × 10-7 
E) 2.5100000

Question 5

Gases do not have a fixed ________ as they are able to be ________.

Accepted Answer

The answer of Gases do not have a fixed ________...

Question 6

The SI unit of temperature is ________.

Accepted Answer

A) K 
B) °C 
C) °F 
D) t 
E) T 
A) K 
B) °C 
C) °F 
D) t 
E) T

Question 7

An element cannot ________.

Accepted Answer

A) be part of a heterogeneous mixture 
B) be part of a homogeneous mixture 
C) be separated into other substances by chemical means 
D) interact with other elements to form compounds 
E) be a pure substance 
A) be part of a heterogeneous mixture 
B) be part of a homogeneous mixture 
C) be separated into other substances by chemical means 
D) interact with other elements to form compounds 
E) be a pure substance

Question 8

Water is considered to be a diatomic molecule because it is composed of two different atoms.

Accepted Answer

A) True 
 B)False

Question 9

What would be the volume of a box that measures 1.12 m ×   ×   ?

Accepted Answer

A) 0.772800 
B) 0.77 
C) 0.773 
D) 0.7728 
E) 0.77280 
A) 0.772800 
B) 0.77 
C) 0.773 
D) 0.7728 
E) 0.77280

Question 10

In the following list,only ________ is not an example of a chemical reaction.

Accepted Answer

A) dissolution of a penny in nitric acid 
B) the condensation of water vapor 
C) a burning candle 
D) the formation of polyethylene from ethylene 
E) the rusting of iron 
A) dissolution of a penny in nitric acid 
B) the condensation of water vapor 
C) a burning candle 
D) the formation of polyethylene from ethylene 
E) the rusting of iron

Question 11

Which one of the following has the element name and symbol correctly matched?

Accepted Answer

A) Ne, nitrogen 
B) Si, sulfur 
C) Ca, carbon 
D) Be, beryllium 
E) None of the symbols are correctly matched to the element name. 
A) Ne, nitrogen 
B) Si, sulfur 
C) Ca, carbon 
D) Be, beryllium 
E) None of the symbols are correctly matched to the element name.

Question 12

A 4.369 g sample of metal is placed in a flask.Water is added to the flask and the total volume in the flask is read to be 126.4 ml.The mass of the water,flask,and metal is 268.5 g.If the mass of the flask is 139.3 g and the density of water is 1.000 g/mL,the density of the solid is ________ g/cm3.

Accepted Answer

A) 0.366 
B) 1.56 
C) 0.641 
D) 2.78 
E) 3.21 
A) 0.366 
B) 1.56 
C) 0.641 
D) 2.78 
E) 3.21

Question 13

Which one of the following is true about the liter?

Accepted Answer

A) It is the SI base unit for volume. 
B) It is equivalent to a cubic decimeter. 
C) It is slightly smaller than a quart. 
D) It contains 106 cubic centimeters. 
E) It is slightly smaller than a gallon. 
A) It is the SI base unit for volume. 
B) It is equivalent to a cubic decimeter. 
C) It is slightly smaller than a quart. 
D) It contains 106 cubic centimeters. 
E) It is slightly smaller than a gallon.

Question 14

In which one of the following numbers are all of the zeros significant?

Accepted Answer

A) 100.090090 
B) 0.143290 
C) 0.0010 
D) 0.0001 
E) 0.1 
A) 100.090090 
B) 0.143290 
C) 0.0010 
D) 0.0001 
E) 0.1

Question 15

Which one of the following is not an intensive property?

Accepted Answer

A) density 
B) temperature 
C) melting point 
D) mass 
E) boiling point 
A) density 
B) temperature 
C) melting point 
D) mass 
E) boiling point

Question 16

The correct answer (reported to the proper number of significant figures)to the following is ________. 6.3 × 3.25 = ________

Accepted Answer

A) 20. 
B) 20.475 
C) 20.48 
D) 20.5 
E) 21 
A) 20. 
B) 20.475 
C) 20.48 
D) 20.5 
E) 21

Question 17

The length of the side of a cube having a density of 12.6 g/ml and a mass of 7.65 g is ________ cm.

Accepted Answer

A) 0.607 
B) 0.847 
C) 1.18 
D) 1.65 
E) 4.58 
A) 0.607 
B) 0.847 
C) 1.18 
D) 1.65 
E) 4.58

Question 18

A cube has a volume of 856 mL.What would be the length of one edge (in cm)?

Accepted Answer

A) 856 
B) 9.49 
C) 94.9 
D) 9.49 × 10-2 
E) 29.3 
A) 856 
B) 9.49 
C) 94.9 
D) 9.49 × 10-2 
E) 29.3

Question 19

Which of the following has the same number of significant figures as the number 0.0050?

Accepted Answer

A) 0.9 
B) 4.0 
C) 1.00 
D) 601 
E) 99.000 
A) 0.9 
B) 4.0 
C) 1.00 
D) 601 
E) 99.000

Question 20

An object will sink in a liquid if the density of the object is greater than that of the liquid.The mass of a sphere is 9.83 g.If the volume of this sphere is less than ________ cm3,then the sphere will sink in liquid mercury (density = 13.6 g/cm3).

Accepted Answer

A) 0.723 
B) 1.38 
C) 134 
D) 7.48 
E) none of the above 
A) 0.723 
B) 1.38 
C) 134 
D) 7.48 
E) none of the above

Exam 1: Introduction: Matter, energy, and Measurement

The correct answer (reported to the proper number of significant figures)to the following is ________. 12.75 × 1.3621 = ________

Sn is the symbol for the element ________.

For which of the following,can the composition vary?

The number with the most significant zeros is ________.

Gases do not have a fixed ________ as they are able to be ________.

The SI unit of temperature is ________.

An element cannot ________.

Water is considered to be a diatomic molecule because it is composed of two different atoms.

What would be the volume of a box that measures 1.12 m × × ?

In the following list,only ________ is not an example of a chemical reaction.

Which one of the following has the element name and symbol correctly matched?

A 4.369 g sample of metal is placed in a flask.Water is added to the flask and the total volume in the flask is read to be 126.4 ml.The mass of the water,flask,and metal is 268.5 g.If the mass of the flask is 139.3 g and the density of water is 1.000 g/mL,the density of the solid is ________ g/cm3.

Which one of the following is true about the liter?

In which one of the following numbers are all of the zeros significant?

Which one of the following is not an intensive property?

The correct answer (reported to the proper number of significant figures)to the following is ________. 6.3 × 3.25 = ________

The length of the side of a cube having a density of 12.6 g/ml and a mass of 7.65 g is ________ cm.

A cube has a volume of 856 mL.What would be the length of one edge (in cm)?

Which of the following has the same number of significant figures as the number 0.0050?

An object will sink in a liquid if the density of the object is greater than that of the liquid.The mass of a sphere is 9.83 g.If the volume of this sphere is less than ________ cm3,then the sphere will sink in liquid mercury (density = 13.6 g/cm3).

Atoms, molecules, and Ions

Chemical Reactions and Reaction Stoichiometry

Reactions in Aqueous Solution

Thermochemistry

Electronic Structure of Atoms

Periodic Properties of the Elements

Basic Concepts of Chemical Bonding

Molecular Geometry and Bonding Theories

Gases

Liquids and Intermolecular Forces

Solids and Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Aqueous Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

Transition Metals and Coordination Chemistry

The Chemistry of Life: Organic and Biological Chemistry

Filters

The correct answer (reported to the proper number of significant figures)to the following is . 12.75 × 1.3621 =

Gases do not have a fixed as they are able to be .

The correct answer (reported to the proper number of significant figures)to the following is . 6.3 × 3.25 =

An object will sink in a liquid if the density of the object is greater than that of the liquid.The mass of a sphere is 9.83 g.If the volume of this sphere is less than ________ cm³,then the sphere will sink in liquid mercury (density = 13.6 g/cm³).