Question 1

A Celsius degree is the same size as a Kelvin degree.

Accepted Answer

A) True 
 B)False  True

Question 2

Ethanol (ethyl alcohol)has a density of 0.789 g/mL at 25°C.If 75.5 g of ethanol is needed for a reaction,what volume in mL should be added to the reaction container?

Accepted Answer

A)  95.7 mL 
B)  59.6 mL 
C)  0.0105 mL 
D)  78.9 mL 
A)  95.7 mL 
B)  59.6 mL 
C)  0.0105 mL 
D)  78.9 mL A

Question 3

The limit of chemical subdivision of an element is the _____ .

Accepted Answer

A)  atom 
B)  molecule 
C)  proton 
D)  compound 
A)  atom 
B)  molecule 
C)  proton 
D)  compound A

Question 4

It turns out that the dark side of the moon has as a mean temperature of -280 oF.What would that the temperature be on the Kelvin scale?

Accepted Answer

A)  -553 K 
B)  -7 K 
C)  100 K 
D)  173 K 
A)  -553 K 
B)  -7 K 
C)  100 K 
D)  173 K

Question 5

Which of the following is a chemical property of matter?

Accepted Answer

A)  color 
B)  density 
C)  freezing point 
D)  flammability 
A)  color 
B)  density 
C)  freezing point 
D)  flammability

Question 6

The density of zinc is 7.13 g/cm3.What is the mass in kilograms of a 125 cm3 cylinder of zinc?

Accepted Answer

A)  891 kg 
B)  17.5 kg 
C)  0.0175 kg 
D)  0.891 kg 
A)  891 kg 
B)  17.5 kg 
C)  0.0175 kg 
D)  0.891 kg

Question 7

Early measurements of length were based on

Accepted Answer

A)  dimensions of astronomical bodies. 
B)  dimensions of the human body. 
C)  dimensions of bodies of water. 
D)  distances between cities. 
A)  dimensions of astronomical bodies. 
B)  dimensions of the human body. 
C)  dimensions of bodies of water. 
D)  distances between cities.

Question 8

Which of the following is an example of a homogeneous mixture?

Accepted Answer

A)  NaOH solution 
B)  mortar (mixture of water,sand and cement) 
C)  vinegar and oil salad dressing 
D)  more than one response is correct 
A)  NaOH solution 
B)  mortar (mixture of water,sand and cement) 
C)  vinegar and oil salad dressing 
D)  more than one response is correct

Question 9

Express the following "generic" number in standard notation.X.XX *104

Accepted Answer

A)  0.000XXX 
B)  XX,X00 
C)  X,XX0 
D)  0.00XXX 
A)  0.000XXX 
B)  XX,X00 
C)  X,XX0 
D)  0.00XXX

Question 10

If 100 people in a town of 5,000 people own a certain color car,this represents 0.1% of the population.

Accepted Answer

A) True 
 B)False

Question 11

Over the counter (OTC)medicines are dangerous because they are not regulated.

Accepted Answer

A) True 
 B)False

Question 12

Suppose the speedometer in your car reads 55.0 mph.What is your speed in km/hr? (1 km = 0.621 mi. )

Accepted Answer

A)  34.1 
B)  0.029 
C)  88.6 
D)  0.011 
A)  34.1 
B)  0.029 
C)  88.6 
D)  0.011

Question 13

A weight loss program that incorporates both dietary change and an exercise program is a guarantee of a reshaping of the body and a loss of weight.

Accepted Answer

A) True 
 B)False

Question 14

To convert feet to inches,you should multiply by the factor 12 in./ft.

Accepted Answer

A) True 
 B)False

Question 15

Homoatomic pure substances are known as _____ .

Accepted Answer

A)  protons 
B)  elements 
C)  compound 
D)  molecules 
A)  protons 
B)  elements 
C)  compound 
D)  molecules

Question 16

To convert micrograms to grams,you should multiply by 1,000,000 g/microgram.

Accepted Answer

A) True 
 B)False

Question 17

You are able to carry a maximum of 20 kg.What is the maximum volume of gold that you can carry? (Au has a density of 19.6 g/cm3)

Accepted Answer

A)  392 cm3 
B)  1.0 * 103 cm3 
C)  0.98 cm3 
D)  none of these 
A)  392 cm3 
B)  1.0 * 103 cm3 
C)  0.98 cm3 
D)  none of these

Question 18

To convert microliters to liters,you should multiply by 1 liter/1,000,000 microliters.

Accepted Answer

A) True 
 B)False

Question 19

The number 0.00816 expressed correctly using scientific notation is _____ .

Accepted Answer

A)  8.16 * 102 
B)  8.16 * 103 
C)  8.16 * 10-2 
D)  8.16 * 10-3 
A)  8.16 * 102 
B)  8.16 * 103 
C)  8.16 * 10-2 
D)  8.16 * 10-3

Question 20

The weight of an object is

Accepted Answer

A)  a measure of the gravitational force pulling the object toward the earth. 
B)  equal to the mass of the matter in the object. 
C)  a measure of the space occupied by the object. 
D)  the same at any location on the earth. 
A)  a measure of the gravitational force pulling the object toward the earth. 
B)  equal to the mass of the matter in the object. 
C)  a measure of the space occupied by the object. 
D)  the same at any location on the earth.

Exam 1: Matter, measurements, and Calculations

A Celsius degree is the same size as a Kelvin degree.

Ethanol (ethyl alcohol)has a density of 0.789 g/mL at 25°C.If 75.5 g of ethanol is needed for a reaction,what volume in mL should be added to the reaction container?

The limit of chemical subdivision of an element is the _____ .

It turns out that the dark side of the moon has as a mean temperature of -280 oF.What would that the temperature be on the Kelvin scale?

Which of the following is a chemical property of matter?

The density of zinc is 7.13 g/cm3.What is the mass in kilograms of a 125 cm3 cylinder of zinc?

Early measurements of length were based on

Which of the following is an example of a homogeneous mixture?

Express the following "generic" number in standard notation.X.XX *104

If 100 people in a town of 5,000 people own a certain color car,this represents 0.1% of the population.

Over the counter (OTC)medicines are dangerous because they are not regulated.

Suppose the speedometer in your car reads 55.0 mph.What is your speed in km/hr? (1 km = 0.621 mi. )

A weight loss program that incorporates both dietary change and an exercise program is a guarantee of a reshaping of the body and a loss of weight.

To convert feet to inches,you should multiply by the factor 12 in./ft.

Homoatomic pure substances are known as _____ .

To convert micrograms to grams,you should multiply by 1,000,000 g/microgram.

You are able to carry a maximum of 20 kg.What is the maximum volume of gold that you can carry? (Au has a density of 19.6 g/cm3)

To convert microliters to liters,you should multiply by 1 liter/1,000,000 microliters.

The number 0.00816 expressed correctly using scientific notation is _____ .

The weight of an object is

Atoms and Molecules

Electronic Structure and the Periodic Law

Forces Between Particles

Chemical Reactions

The States of Matter

Solutions and Colloids

Reaction Rates and Equilibrium

Acids,bases,and Salts

Radioactivity and Nuclear Processes

Organic Compounds: Alkanes

Unsaturated Hydrocarbons

Alcohols, phenols, and Ethers

Aldehydes and Ketones

Carboxylic Acids and Esters

Amines and Amides

Carbohydrates

Lipids

Proteins

Enzymes

Nucleic Acids and Protein Synthesis

Nutrition and Energy for Life

Carbohydrate Metabolism

Lipid and Amino Acid Metabolism

Body Fluids

Filters

It turns out that the dark side of the moon has as a mean temperature of -280 ^oF.What would that the temperature be on the Kelvin scale?

The density of zinc is 7.13 g/cm³.What is the mass in kilograms of a 125 cm³cylinder of zinc?

Express the following "generic" number in standard notation.X.XX *10⁴

You are able to carry a maximum of 20 kg.What is the maximum volume of gold that you can carry? (Au has a density of 19.6 g/cm³)