Question 1

Which of these statements about acid rain is incorrect ?

Accepted Answer

A) Acid rain accelerates the rusting process. 
B) Acid rain contributes to reduced visibility in some areas. 
C) The formation of highly reactive H −  ions makes the rain acidic. 
D) Acid rain is formed when SO2 or NOx compounds react with water. 
E) All of these are correct statements about acid rain. 
A) Acid rain accelerates the rusting process. 
B) Acid rain contributes to reduced visibility in some areas. 
C) The formation of highly reactive H −  ions makes the rain acidic. 
D) Acid rain is formed when SO2 or NOx compounds react with water. 
E) All of these are correct statements about acid rain. C

Question 2

The amount of energy required to raise 1 gram of water by 1oC is known as ____.

Accepted Answer

A) quad 
B) Calorie 
C) watt 
D) calorie 
E) joule 
A) quad 
B) Calorie 
C) watt 
D) calorie 
E) joule D

Question 3

Which of these compounds is not produced during the combustion of fossil fuels?

Accepted Answer

A) CO 
B) CO2 
C) NO 
D) O2 
E) H2O 
A) CO 
B) CO2 
C) NO 
D) O2 
E) H2O D

Question 4

The combustion of 5.00 g of C2H6(g), at constant pressure, releases 259 kJ of heat. Find Δ H for the reaction in kJ\g.
2 C2H6(g)+ 7 O2(g)→ 4 CO2(g)+ 6 H2O (l)

Accepted Answer

A) − 51.8 kJ\g 
B) − 1295 kJ\g 
C) − 1550 kJ\g 
D) − 1667 kJ\g 
E) − 3110 kJ\g 
A) − 51.8 kJ\g 
B) − 1295 kJ\g 
C) − 1550 kJ\g 
D) − 1667 kJ\g 
E) − 3110 kJ\g

Question 5

The capacity for doing work is known as ____.

Accepted Answer

A) heat 
B) thermodynamics 
C) energy 
D) enthalpy 
E) entropy 
A) heat 
B) thermodynamics 
C) energy 
D) enthalpy 
E) entropy

Question 6

Photosynthesis:

Accepted Answer

A) requires energy and is therefore exothermic. 
B) requires energy and is therefore endothermic. 
C) releases energy and is therefore exothermic. 
D) releases energy and is therefore endothermic. 
E) does not involve a change in energy. 
A) requires energy and is therefore exothermic. 
B) requires energy and is therefore endothermic. 
C) releases energy and is therefore exothermic. 
D) releases energy and is therefore endothermic. 
E) does not involve a change in energy.

Question 7

The normal body temperature is 98.6 ° F. What is the temperature in ° C?

Accepted Answer

A) 23.0 ° C 
B) 37.0 ° C 
C) 119 ° C 
D) 177 ° C 
E) 372 ° C 
A) 23.0 ° C 
B) 37.0 ° C 
C) 119 ° C 
D) 177 ° C 
E) 372 ° C

Question 8

Which nation leads the world in energy consumption per capita?

Accepted Answer

A) Russia 
B) United States 
C) Canada 
D) Germany 
E) Nigeria 
A) Russia 
B) United States 
C) Canada 
D) Germany 
E) Nigeria

Question 9

How many joules of heat could be produced from a 170. Calorie package of crackers?

Accepted Answer

A) 7.10 × 103 J 
B) 4.07 × 104 J 
C) 41.0 J 
D) 24.6 J 
E) 0.0246 J 
A) 7.10 × 103 J 
B) 4.07 × 104 J 
C) 41.0 J 
D) 24.6 J 
E) 0.0246 J

Question 10

How many joules of energy are in a candy bar reading 250. Calories?

Accepted Answer

A) 1.05 J 
B) 59.8 J 
C) 1045 J 
D) 5.98 × 104 J 
E) 1.05 × 106 J 
A) 1.05 J 
B) 59.8 J 
C) 1045 J 
D) 5.98 × 104 J 
E) 1.05 × 106 J

Question 11

The Voyager space probe determined that Titan, a moon of Saturn, had a temperature of 93.0 K. What is the temperature in ° F?

Accepted Answer

A) − 292 ° F 
B) − 180 ° F 
C) − 109 ° F 
D) − 87 ° F 
E) − 68 ° F 
A) − 292 ° F 
B) − 180 ° F 
C) − 109 ° F 
D) − 87 ° F 
E) − 68 ° F

Question 12

Which of these statements about work is incorrect ?

Accepted Answer

A) Work is moving atoms in an orderly fashion. 
B) Work is a force exerted  over some distance. 
C) Any object possessing energy can perform work. 
D) Work is dependent upon the amount of energy available. 
E) All of these statements are correct. 
A) Work is moving atoms in an orderly fashion. 
B) Work is a force exerted  over some distance. 
C) Any object possessing energy can perform work. 
D) Work is dependent upon the amount of energy available. 
E) All of these statements are correct.

Question 13

Which of these is attributed to cause the phenomena known as global warming?

Accepted Answer

A) acid rain 
B) catalytic conversion 
C) fission 
D) greenhouse effect 
E) heat capacity 
A) acid rain 
B) catalytic conversion 
C) fission 
D) greenhouse effect 
E) heat capacity

Question 14

Which of these involves a net decrease in entropy?
I. Condensation of steam
II. Freezing of methanol
III. Evaporation of ethanol
IV. Extraction of salts from seawater

Accepted Answer

A) III only 
B) I and II 
C) II and III 
D) I, II, and IV 
E) I, II, III, and IV 
A) III only 
B) I and II 
C) II and III 
D) I, II, and IV 
E) I, II, III, and IV

Question 15

Which of these is a correct unit for measuring energy?
I. Joule
II. Quad
III. KWh
IV. Ampere

Accepted Answer

A) I only 
B) II and IV 
C) II, III, and IV 
D) I, II, and III 
E) I, III, and IV 
A) I only 
B) II and IV 
C) II, III, and IV 
D) I, II, and III 
E) I, III, and IV

Question 16

Which of these is not a problem attributed to acid rain?

Accepted Answer

A) accelerated rusting 
B) building damage 
C) landmark destruction 
D) decreased visibility 
E) greenhouse effect 
A) accelerated rusting 
B) building damage 
C) landmark destruction 
D) decreased visibility 
E) greenhouse effect

Question 17

What is the coefficient in front of oxygen when the equation is balanced?
__CH3OH + __O2 → __CO2 + __H2O

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) 6 
A) 1 
B) 2 
C) 3 
D) 4 
E) 6

Question 18

Which of these items is not in some way reduced by the use of catalytic converters in the combustion of gasoline?

Accepted Answer

A) CO2 
B) photochemical smog 
C) CO 
D) NO 
E) partially burned hydrocarbons 
A) CO2 
B) photochemical smog 
C) CO 
D) NO 
E) partially burned hydrocarbons

Question 19

How many joules of heat must be added to melt a 75 gram block iron if it required 12.2 Calories?

Accepted Answer

A) 0.0509 J 
B) 2.92 J 
C) 342 J 
D) 2.92 × 103 J 
E) 5.11 × 104 J 
A) 0.0509 J 
B) 2.92 J 
C) 342 J 
D) 2.92 × 103 J 
E) 5.11 × 104 J

Question 20

Using energy to move atoms in a nonrandom orderly fashion is known as ____.

Accepted Answer

A) heat 
B) thermodynamics 
C) enthalpy 
D) work 
E) entropy 
A) heat 
B) thermodynamics 
C) enthalpy 
D) work 
E) entropy

Which of these statements about acid rain is incorrect ?

The amount of energy required to raise 1 gram of water by 1^oC is known as ____.

Which of these compounds is not produced during the combustion of fossil fuels?

The combustion of 5.00 g of C₂H₆(g), at constant pressure, releases 259 kJ of heat. Find Δ H for the reaction in kJ\g. 2 C₂H₆(g)+ 7 O₂(g)→ 4 CO₂(g)+ 6 H₂O (l)

The capacity for doing work is known as ____.

Photosynthesis:

The normal body temperature is 98.6 ° F. What is the temperature in ° C?

Which nation leads the world in energy consumption per capita?

How many joules of heat could be produced from a 170. Calorie package of crackers?

How many joules of energy are in a candy bar reading 250. Calories?

The Voyager space probe determined that Titan, a moon of Saturn, had a temperature of 93.0 K. What is the temperature in ° F?

Which of these statements about work is incorrect ?

Which of these is attributed to cause the phenomena known as global warming?

Which of these involves a net decrease in entropy? I. Condensation of steam II. Freezing of methanol III. Evaporation of ethanol IV. Extraction of salts from seawater

Which of these is a correct unit for measuring energy? I. Joule II. Quad III. KWh IV. Ampere

Which of these is not a problem attributed to acid rain?

What is the coefficient in front of oxygen when the equation is balanced? CH₃OH + O₂ → CO₂ + H₂O

Which of these items is not in some way reduced by the use of catalytic converters in the combustion of gasoline?

How many joules of heat must be added to melt a 75 gram block iron if it required 12.2 Calories?

Using energy to move atoms in a nonrandom orderly fashion is known as ____.

Molecular Reasons

The Chemists Toolbox

Atoms and Elements

Molecules, Compounds, and Chemical Reactions

Chemical Bonding

Organic Chemistry

Light and Color

Nuclear Chemistry

Energy for Tomorrow: Solar and Other Renewable Energy Sources

The Air Around Us

The Liquids and Solids Around Us: Especially Water

Acids and Bases: the Molecules Responsible for Sour and Bitter

Oxidation and Reduction

The Chemistry of Household Products

Biochemistry and Biotechnology

Drugs and Medicine: Healing, Helping, and Hurting

The Chemistry of Food

Nanotechnology

Filters

Exam 9: Energy for Today

Which of these statements about acid rain is incorrect ?

The amount of energy required to raise 1 gram of water by 1oC is known as ____.

Which of these compounds is not produced during the combustion of fossil fuels?

The combustion of 5.00 g of C2H6(g), at constant pressure, releases 259 kJ of heat. Find Δ H for the reaction in kJ\g. 2 C2H6(g)+ 7 O2(g)→ 4 CO2(g)+ 6 H2O (l)

The capacity for doing work is known as ____.

Photosynthesis:

The normal body temperature is 98.6 ° F. What is the temperature in ° C?

Which nation leads the world in energy consumption per capita?

How many joules of heat could be produced from a 170. Calorie package of crackers?

How many joules of energy are in a candy bar reading 250. Calories?

The Voyager space probe determined that Titan, a moon of Saturn, had a temperature of 93.0 K. What is the temperature in ° F?

Which of these statements about work is incorrect ?

Which of these is attributed to cause the phenomena known as global warming?

Which of these involves a net decrease in entropy? I. Condensation of steam II. Freezing of methanol III. Evaporation of ethanol IV. Extraction of salts from seawater

Which of these is a correct unit for measuring energy? I. Joule II. Quad III. KWh IV. Ampere

Which of these is not a problem attributed to acid rain?

What is the coefficient in front of oxygen when the equation is balanced? __CH3OH + __O2 → __CO2 + __H2O

Which of these items is not in some way reduced by the use of catalytic converters in the combustion of gasoline?

How many joules of heat must be added to melt a 75 gram block iron if it required 12.2 Calories?

Using energy to move atoms in a nonrandom orderly fashion is known as ____.

Molecular Reasons

The Chemists Toolbox

Atoms and Elements

Molecules, Compounds, and Chemical Reactions

Chemical Bonding

Organic Chemistry

Light and Color

Nuclear Chemistry

Energy for Tomorrow: Solar and Other Renewable Energy Sources

The Air Around Us

The Liquids and Solids Around Us: Especially Water

Acids and Bases: the Molecules Responsible for Sour and Bitter

Oxidation and Reduction

The Chemistry of Household Products

Biochemistry and Biotechnology

Drugs and Medicine: Healing, Helping, and Hurting

The Chemistry of Food

Nanotechnology

Filters

The amount of energy required to raise 1 gram of water by 1^oC is known as ____.

The combustion of 5.00 g of C₂H₆(g), at constant pressure, releases 259 kJ of heat. Find Δ H for the reaction in kJ\g. 2 C₂H₆(g)+ 7 O₂(g)→ 4 CO₂(g)+ 6 H₂O (l)

What is the coefficient in front of oxygen when the equation is balanced? CH₃OH + O₂ → CO₂ + H₂O