Question 1

In general, which is the best interpretation of specific heat?

Accepted Answer

A)  The higher the specific heat, the less heat energy is required to increase a substance's temperature. 
B)  The higher the specific heat, the less heat energy is required to boil or melt a substance. 
C)  The higher the specific heat, the more heat energy is required to boil or melt a substance. 
D)  The higher the specific heat, the more heat energy is required to increase a substance's temperature. 
E)  The higher the specific heat, the higher the temperature of a substance. 
A)  The higher the specific heat, the less heat energy is required to increase a substance's temperature. 
B)  The higher the specific heat, the less heat energy is required to boil or melt a substance. 
C)  The higher the specific heat, the more heat energy is required to boil or melt a substance. 
D)  The higher the specific heat, the more heat energy is required to increase a substance's temperature. 
E)  The higher the specific heat, the higher the temperature of a substance. D

Question 2

Which of the following is likely to be shorter than 1 m?

Accepted Answer

A)  the length of a car 
B)  the height of an average adult 
C)  the width of a computer screen 
D)  the height of a one-story building 
E)  the length of an adult giraffe's neck 
A)  the length of a car 
B)  the height of an average adult 
C)  the width of a computer screen 
D)  the height of a one-story building 
E)  the length of an adult giraffe's neck C

Question 3

Room temperature is about 70F1F1F1S1F1F1F10F. What is this temperature in Celsius?

Accepted Answer

A)  340F1F1F1S1F1F1F10C 
B)  294F1F1F1S1F1F1F10C 
C)  21F1F1F1S1F1F1F10C 
D)  38F1F1F1S1F1F1F10C 
E)  6.9F1F1F1S1F1F1F10C 
A)  340F1F1F1S1F1F1F10C 
B)  294F1F1F1S1F1F1F10C 
C)  21F1F1F1S1F1F1F10C 
D)  38F1F1F1S1F1F1F10C 
E)  6.9F1F1F1S1F1F1F10C C

Question 4

The number of significant digits in a measurement is

Accepted Answer

A)  all of the digits that are known exactly. 
B)  all of the digits that are known exactly plus one uncertain digit. 
C)  a way to communicate the precision of a measurement. 
D)  Both a and c above 
E)  Both b and c above 
A)  all of the digits that are known exactly. 
B)  all of the digits that are known exactly plus one uncertain digit. 
C)  a way to communicate the precision of a measurement. 
D)  Both a and c above 
E)  Both b and c above

Question 5

Which of the following is an exact number?

Accepted Answer

A)  the number of milligrams in a gram 
B)  the number of meters in a kilometer 
C)  the number of micrometers in a centimeter 
D)  the number of cubic centimeters in a liter 
E)  All of the above 
A)  the number of milligrams in a gram 
B)  the number of meters in a kilometer 
C)  the number of micrometers in a centimeter 
D)  the number of cubic centimeters in a liter 
E)  All of the above

Question 6

Below are five descriptions of the kinetic and potential energy of objects. Which is a description of potential energy? 
I. water moving a waterwheel
II. a skateboarder at the top of a halfpipe
III. the blades of a fan turning
IV. hot water molecules moving rapidly in a cup of tea
V. a parachutist ready to jump out of a plane

Accepted Answer

A)  I only 
B)  II and V 
C)  II, III, and V 
D)  I, III, and IV 
E)  All of the above 
A)  I only 
B)  II and V 
C)  II, III, and V 
D)  I, III, and IV 
E)  All of the above

Question 7

Which of the following describes the potential energy of an object or set of objects?

Accepted Answer

A)  water flowing down hill 
B)  water is a reservoir 
C)  a person running the 50-yard dash 
D)  a car speeding up a hill 
E)  a student pushing open a door 
A)  water flowing down hill 
B)  water is a reservoir 
C)  a person running the 50-yard dash 
D)  a car speeding up a hill 
E)  a student pushing open a door

Question 8

To make this table, four different people took three measurements each of the distance between the chemistry building and the cafeteria on campus. Each person used a different measuring device and therefore arrived at a different set of measurements. The true distance is 152 meters. Which person is most accurate and precise?

Accepted Answer

A)  person A 
B)  person B 
C)  person C 
D)  person D 
E)  All are equally accurate and precise. 
A)  person A 
B)  person B 
C)  person C 
D)  person D 
E)  All are equally accurate and precise.

Question 9

The illustration below shows two metal blocks, one hot and one cold, placed together so their sides are touching. How does atomic motion change as time passes

Accepted Answer

A)  Atomic motion does not change as time passes. 
B)  Atomic motion does change, but it is not predictable how it will change. 
C)  Atoms in the hot block slow down, and atoms in the cold block speed up. 
D)  Atoms in the cold block slow down, and atoms in the hot block speed up. 
E)  Atoms in both the cold and hot block speed up. 
A)  Atomic motion does not change as time passes. 
B)  Atomic motion does change, but it is not predictable how it will change. 
C)  Atoms in the hot block slow down, and atoms in the cold block speed up. 
D)  Atoms in the cold block slow down, and atoms in the hot block speed up. 
E)  Atoms in both the cold and hot block speed up.

Question 10

This state of matter has the highest kinetic energy.

Accepted Answer

A)  solid 
B)  liquid 
C)  gas 
D)  solid and liquid 
E)  liquid and gas 
A)  solid 
B)  liquid 
C)  gas 
D)  solid and liquid 
E)  liquid and gas

Question 11

A molecule of hemoglobin is described as being on the _____ scale.

Accepted Answer

A)  macroscopic 
B)  microscopic 
C)  atomic 
D)  both macro- and microscopic 
E)  both microscopic and atomic 
A)  macroscopic 
B)  microscopic 
C)  atomic 
D)  both macro- and microscopic 
E)  both microscopic and atomic

Question 12

A copper pipe with a mass of 1200 g and a specific heat of 0.093 cal/gF1F1F1S1F1F1F10C absorbs 252 calories of heat. By how many degrees does the temperature of the pipe change?

Accepted Answer

A)  2.3F1F1F1S1F1F1F10C 
B)  2.8 F1F1F1S1F1F1F10 104F1F1F1S1F1F1F10C 
C)  0.020F1F1F1S1F1F1F10C 
D)  0.44F1F1F1S1F1F1F10C 
E)  3.6 F1F1F1S1F1F1F10 10F1F1F1S1F1F1F105F1F1F1S1F1F1F10C 
A)  2.3F1F1F1S1F1F1F10C 
B)  2.8 F1F1F1S1F1F1F10 104F1F1F1S1F1F1F10C 
C)  0.020F1F1F1S1F1F1F10C 
D)  0.44F1F1F1S1F1F1F10C 
E)  3.6 F1F1F1S1F1F1F10 10F1F1F1S1F1F1F105F1F1F1S1F1F1F10C

Question 13

Which state of matter has a volume that is constant or fixed?

Accepted Answer

A)  solid 
B)  liquid 
C)  gas 
D)  solid and liquid 
E)  liquid and gas 
A)  solid 
B)  liquid 
C)  gas 
D)  solid and liquid 
E)  liquid and gas

Question 14

Which of the following units for measuring energy is typically used in nutritional applications?

Accepted Answer

A)  calorie 
B)  Calorie 
C)  Joule 
D)  joule 
E)  All of the above 
A)  calorie 
B)  Calorie 
C)  Joule 
D)  joule 
E)  All of the above

Question 15

A child's height is 36.2 inches and she wants to know her height in centimeters. In this problem, ______ is the supplied unit and ______ is the requested unit.

Accepted Answer

A)  centimeters; inches 
B)  meters; inches 
C)  inches; centimeters 
D)  inches; meters 
E)  meters; centimeters 
A)  centimeters; inches 
B)  meters; inches 
C)  inches; centimeters 
D)  inches; meters 
E)  meters; centimeters

Question 16

Which of the following biological molecules are the major nutrients that make up the food that we eat? 
I. proteins
II. nucleic acids
III. steroids
IV. fats
V. carbohydrates

Accepted Answer

A)  All of these are major nutrients. 
B)  I, II, IV, and V 
C)  I and V 
D)  III, IV, and V 
E)  I, IV, and V 
A)  All of these are major nutrients. 
B)  I, II, IV, and V 
C)  I and V 
D)  III, IV, and V 
E)  I, IV, and V

Question 17

The number of significant figures in the measurement 5.40 F1F1F1S1F1F1F10 105  kg is

Accepted Answer

A)  one. 
B)  two. 
C)  three. 
D)  five. 
E)  eight. 
A)  one. 
B)  two. 
C)  three. 
D)  five. 
E)  eight.

Question 18

Which of the following unit conversions are useful when converting 312 mg to kilograms?

Accepted Answer

A)  I and III 
B)  II and IV 
C)  I and IV 
D)  II and III 
E)  All of them are useful. 
A)  I and III 
B)  II and IV 
C)  I and IV 
D)  II and III 
E)  All of them are useful.

Question 19

The following illustrates the digital readout of two different balances. Which of the following balances is more precise? Which is more accurate?

Accepted Answer

A)  Balance A is more precise and more accurate than balance B 
B)  Balance B is more accurate than balance A, but less precise. 
C)  Balance A is more accurate than balance B, but less precise. 
D)  Balance B is more precise and more accurate than balance A 
E)  Balance B is more precise than balance A, but it is not possible to compare accuracy based on the information given. 
A)  Balance A is more precise and more accurate than balance B 
B)  Balance B is more accurate than balance A, but less precise. 
C)  Balance A is more accurate than balance B, but less precise. 
D)  Balance B is more precise and more accurate than balance A 
E)  Balance B is more precise than balance A, but it is not possible to compare accuracy based on the information given.

Question 20

Which of the following is most likely to be 1.1 m tall?

Accepted Answer

A)  a giraffe 
B)  a 5-year-old girl 
C)  a man 
D)  an infant 
E)  All four are equally likely to be 1.1 m tall. 
A)  a giraffe 
B)  a 5-year-old girl 
C)  a man 
D)  an infant 
E)  All four are equally likely to be 1.1 m tall.

In general, which is the best interpretation of specific heat?

Which of the following is likely to be shorter than 1 m?

Room temperature is about 70F. What is this temperature in Celsius?

The number of significant digits in a measurement is

Which of the following is an exact number?

Which of the following describes the potential energy of an object or set of objects?

The illustration below shows two metal blocks, one hot and one cold, placed together so their sides are touching. How does atomic motion change as time passes

This state of matter has the highest kinetic energy.

A molecule of hemoglobin is described as being on the _____ scale.

A copper pipe with a mass of 1200 g and a specific heat of 0.093 cal/gC absorbs 252 calories of heat. By how many degrees does the temperature of the pipe change?

Which state of matter has a volume that is constant or fixed?

Which of the following units for measuring energy is typically used in nutritional applications?

A child's height is 36.2 inches and she wants to know her height in centimeters. In this problem, is the supplied unit and is the requested unit.

Which of the following biological molecules are the major nutrients that make up the food that we eat? I. proteins II. nucleic acids III. steroids IV. fats V. carbohydrates

The number of significant figures in the measurement 5.40  10⁵kg is

Which of the following unit conversions are useful when converting 312 mg to kilograms?

The following illustrates the digital readout of two different balances. Which of the following balances is more precise? Which is more accurate?

Which of the following is most likely to be 1.1 m tall?

Atomic Structure and Nuclear Radiation

Compounds and Molecules

Chemical Quantities and Chemical Reactions

Changes of State and the Gas Laws

Organic Chemistry: Hydrocarbons

Organic Chemistry and Biomolecules

Solutions, Colloids and Membranes

Acids and Bases

The Reactions of Organic Functional Groups in Biochemistry

Carbohydrates: Structure and Function

Lipids: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

Filters

Exam 1: Measuring Matter and Energy

In general, which is the best interpretation of specific heat?

Which of the following is likely to be shorter than 1 m?

Room temperature is about 70F. What is this temperature in Celsius?

The number of significant digits in a measurement is

Which of the following is an exact number?

Which of the following describes the potential energy of an object or set of objects?

The illustration below shows two metal blocks, one hot and one cold, placed together so their sides are touching. How does atomic motion change as time passes

This state of matter has the highest kinetic energy.

A molecule of hemoglobin is described as being on the _____ scale.

A copper pipe with a mass of 1200 g and a specific heat of 0.093 cal/gC absorbs 252 calories of heat. By how many degrees does the temperature of the pipe change?

Which state of matter has a volume that is constant or fixed?

Which of the following units for measuring energy is typically used in nutritional applications?

A child's height is 36.2 inches and she wants to know her height in centimeters. In this problem, ______ is the supplied unit and ______ is the requested unit.

Which of the following biological molecules are the major nutrients that make up the food that we eat? I. proteins II. nucleic acids III. steroids IV. fats V. carbohydrates

The number of significant figures in the measurement 5.40  105 kg is

Which of the following unit conversions are useful when converting 312 mg to kilograms?

The following illustrates the digital readout of two different balances. Which of the following balances is more precise? Which is more accurate?

Which of the following is most likely to be 1.1 m tall?

Atomic Structure and Nuclear Radiation

Compounds and Molecules

Chemical Quantities and Chemical Reactions

Changes of State and the Gas Laws

Organic Chemistry: Hydrocarbons

Organic Chemistry and Biomolecules

Solutions, Colloids and Membranes

Acids and Bases

The Reactions of Organic Functional Groups in Biochemistry

Carbohydrates: Structure and Function

Lipids: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

Filters

A child's height is 36.2 inches and she wants to know her height in centimeters. In this problem, is the supplied unit and is the requested unit.

The number of significant figures in the measurement 5.40  10⁵kg is