Question 1

Matter is defined as anything that is visible to the human eye.

Accepted Answer

A) True 
 B)False

Question 2

What is the value of -25°C on the Kelvin scale?

Accepted Answer

A) 248 
B) -32 
C) -13 
D) -298 
E) none of the above 
A) 248 
B) -32 
C) -13 
D) -298 
E) none of the above

Question 3

A solid form of matter in which there is long range repeating order is called ________.

Accepted Answer

A) amorphous 
B) rigid 
C) crystalline 
D) fixed 
E) none of the above 
A) amorphous 
B) rigid 
C) crystalline 
D) fixed 
E) none of the above

Question 4

Temperatures reported in the Kelvin scale cannot be negative.

Accepted Answer

A) True 
 B)False

Question 5

The amount of heat energy needed to increase the temperature of an object will vary depending on the heat capacity of the object.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following statements is FALSE?

Accepted Answer

A) Matter may be a pure substance or it may be a mixture. 
B) A pure substance may either be an element or a compound. 
C) A mixture may be either homogeneous or heterogeneous. 
D) Mixtures may be composed of two or more elements,two or more compounds,or a combination of both. 
E) All of the above statements are true. 
A) Matter may be a pure substance or it may be a mixture. 
B) A pure substance may either be an element or a compound. 
C) A mixture may be either homogeneous or heterogeneous. 
D) Mixtures may be composed of two or more elements,two or more compounds,or a combination of both. 
E) All of the above statements are true.

Question 7

Gases are the only form of matter that is easily compressible.

Accepted Answer

A) True 
 B)False

Question 8

In order,what is the freezing point,room temperature and boiling point of water according to the Celsius scale?

Accepted Answer

A) 32-75-212 
B) 0-75-100 
C) 0-25-100 
D) 0-298-373 
E) none of the above 
A) 32-75-212 
B) 0-75-100 
C) 0-25-100 
D) 0-298-373 
E) none of the above

Question 9

A melting scoop of ice cream is an example of an exothermic process.

Accepted Answer

A) True 
 B)False

Question 10

How many calories are there in a 255 Calorie snack bar?

Accepted Answer

A) 2.55 × 105 
B) 1.07 × 103 
C) 60.9 
D) 1 × 103 
E) none of the above 
A) 2.55 × 105 
B) 1.07 × 103 
C) 60.9 
D) 1 × 103 
E) none of the above

Question 11

What is the value of 23°C on the Fahrenheit scale?

Accepted Answer

A) 73 
B) 52 
C) 59 
D) 81 
A) 73 
B) 52 
C) 59 
D) 81

Question 12

Which of the following is NOT an example of matter?

Accepted Answer

A) a pencil eraser 
B) a balloon full of helium 
C) a dust particle 
D) heat from a burning candle 
E) none of the above 
A) a pencil eraser 
B) a balloon full of helium 
C) a dust particle 
D) heat from a burning candle 
E) none of the above

Question 13

Which state of matter has indefinite shape and is compressible?

Accepted Answer

A) liquid 
B) solid 
C) gas 
D) plasma 
E) none of the above 
A) liquid 
B) solid 
C) gas 
D) plasma 
E) none of the above

Question 14

If a solid piece of shiny sodium metal is exposed to chlorine gas,a large amount of heat is released and the white solid sodium chloride (table salt)forms.Based on this information,which of the following statements is TRUE?

Accepted Answer

A) This process represents a physical change. 
B) Mass is lost during this process. 
C) Sodium chloride is an element. 
D) This process was exothermic. 
E) none of the above 
A) This process represents a physical change. 
B) Mass is lost during this process. 
C) Sodium chloride is an element. 
D) This process was exothermic. 
E) none of the above

Question 15

From the following list of substances and heat capacities,choose the one that will have the lowest temperature after absorbing 100.0 kJ of heat.Assume identical masses of each substance start at the same initial temperature.

Accepted Answer

A) lead-0.128 J/g∙°C 
B) copper-0.385 J/g∙°C 
C) ethanol-2.42 J/g∙°C 
D) water-4.18 J/g∙°C 
E) not enough information 
A) lead-0.128 J/g∙°C 
B) copper-0.385 J/g∙°C 
C) ethanol-2.42 J/g∙°C 
D) water-4.18 J/g∙°C 
E) not enough information

Question 16

The melting of ice is a physical change.

Accepted Answer

A) True 
 B)False

Question 17

If you hold a solid piece of pure gallium metal in your hand,your body heat will melt the gallium into its liquid form.This illustrates which of the following?

Accepted Answer

A) distillation 
B) physical change 
C) chemical change 
D) chemical property 
E) none of the above 
A) distillation 
B) physical change 
C) chemical change 
D) chemical property 
E) none of the above

Question 18

How many grams of water when supplied with   of heat will gain a temperature of 5.2°C?

Accepted Answer

A) 15 
B) 17 
C) 19 
D) 16 
E) none of the above 
A) 15 
B) 17 
C) 19 
D) 16 
E) none of the above

Question 19

Like mass,energy can neither be created nor destroyed.

Accepted Answer

A) True 
 B)False

Question 20

Chemical properties of a substance are those that can be observed without changing the composition of a substance.

Accepted Answer

A) True 
 B)False

Matter is defined as anything that is visible to the human eye.

What is the value of -25°C on the Kelvin scale?

A solid form of matter in which there is long range repeating order is called ________.

Temperatures reported in the Kelvin scale cannot be negative.

The amount of heat energy needed to increase the temperature of an object will vary depending on the heat capacity of the object.

Which of the following statements is FALSE?

Gases are the only form of matter that is easily compressible.

In order,what is the freezing point,room temperature and boiling point of water according to the Celsius scale?

A melting scoop of ice cream is an example of an exothermic process.

How many calories are there in a 255 Calorie snack bar?

What is the value of 23°C on the Fahrenheit scale?

Which of the following is NOT an example of matter?

Which state of matter has indefinite shape and is compressible?

If a solid piece of shiny sodium metal is exposed to chlorine gas,a large amount of heat is released and the white solid sodium chloride (table salt)forms.Based on this information,which of the following statements is TRUE?

From the following list of substances and heat capacities,choose the one that will have the lowest temperature after absorbing 100.0 kJ of heat.Assume identical masses of each substance start at the same initial temperature.

The melting of ice is a physical change.

If you hold a solid piece of pure gallium metal in your hand,your body heat will melt the gallium into its liquid form.This illustrates which of the following?

How many grams of water when supplied with of heat will gain a temperature of 5.2°C?

Like mass,energy can neither be created nor destroyed.

Chemical properties of a substance are those that can be observed without changing the composition of a substance.

The Chemical World

Measurement and Problem Solving

Atoms and Elements

Molecules and Compounds

Chemical Composition

Chemical Reactions

Quantities in Chemical Reactions

Electrons in Atoms and the Periodic Table

Chemical Bonding

Gases

Liquids, solids, and Intermolecular Forces

Solutions

Acids and Bases

Chemical Equilibrium

Oxidation and Reduction

Radioactivity and Nuclear Chemistry

Organic Chemistry

Biochemistry

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Exam 3: Matter and Energy

Matter is defined as anything that is visible to the human eye.

What is the value of -25°C on the Kelvin scale?

A solid form of matter in which there is long range repeating order is called ________.

Temperatures reported in the Kelvin scale cannot be negative.

The amount of heat energy needed to increase the temperature of an object will vary depending on the heat capacity of the object.

Which of the following statements is FALSE?

Gases are the only form of matter that is easily compressible.

In order,what is the freezing point,room temperature and boiling point of water according to the Celsius scale?

A melting scoop of ice cream is an example of an exothermic process.

How many calories are there in a 255 Calorie snack bar?

What is the value of 23°C on the Fahrenheit scale?

Which of the following is NOT an example of matter?

Which state of matter has indefinite shape and is compressible?

If a solid piece of shiny sodium metal is exposed to chlorine gas,a large amount of heat is released and the white solid sodium chloride (table salt)forms.Based on this information,which of the following statements is TRUE?

From the following list of substances and heat capacities,choose the one that will have the lowest temperature after absorbing 100.0 kJ of heat.Assume identical masses of each substance start at the same initial temperature.

The melting of ice is a physical change.

If you hold a solid piece of pure gallium metal in your hand,your body heat will melt the gallium into its liquid form.This illustrates which of the following?

How many grams of water when supplied with of heat will gain a temperature of 5.2°C?

Like mass,energy can neither be created nor destroyed.

Chemical properties of a substance are those that can be observed without changing the composition of a substance.

The Chemical World

Measurement and Problem Solving

Atoms and Elements

Molecules and Compounds

Chemical Composition

Chemical Reactions

Quantities in Chemical Reactions

Electrons in Atoms and the Periodic Table

Chemical Bonding

Gases

Liquids, solids, and Intermolecular Forces

Solutions

Acids and Bases

Chemical Equilibrium

Oxidation and Reduction

Radioactivity and Nuclear Chemistry

Organic Chemistry

Biochemistry

Filters