Question 1

Heat is added to an ideal gas at 20.° C. If the internal energy of the gas increases by a factor of three during this process, what is the final temperature?

Accepted Answer

The answer of Heat is added to an ideal gas...

Question 2

A bimetallic strip, consisting of metal G on the top and metal H on the bottom, is rigidly attached to a wall at the left, as shown in Figure 10-1. The coefficient of linear thermal expansion for metal G is greater than that of metal H.

If the strip is uniformly heated, it will

Accepted Answer

A)   curve downward.
B)   remain horizontal, but get longer.
C)   curve upward.
D)   bend in the middle.E) C) and D)
F) None of the above

Question 3

Consider a classroom 10.0 m long by 6.0 m wide by 4.0 m high at "room temperature" 20.° C and 1.0 atmosphere.
(a) How many moles of gas are contained in the room?
(b) Assuming an average molecular weight of 28, what is the mass of the room air?

Accepted Answer

(a) 10. × ...

Question 4

The kinetic theory of gases suggests the average kinetic energy per molecule is (for a monatomic gas)

Accepted Answer

A)   3/2 kT.
B)   1/2 kT.
C)   kT.
D)   5/2 kT.
E)   2 kT.F) C) and D)
G) A) and B)

Question 5

9/5 of a Fahrenheit degree is equivalent to

Accepted Answer

A)   1° C.
B)   1 K°.
C)   373.16 K.
D)   1 C°.
E)   273.16 K.F) B) and E)
G) A) and E)

Question 6

A mercury thermometer has a bulb of volume 0.100 cm3 at 10.°C. The capillary tube above the bulb has a cross-sectional area of 0.012 mm2. The volume thermal expansion coefficient of mercury is 1.80 × 10-4 K-1. How much will the mercury rise when the temperature rises to 30.° C?

Accepted Answer

Question 7

"Absolute Zero" is what temperature on the Celsius and Fahrenheit scales respectively?

Accepted Answer

A)   0° C, 459° F
B)   -273° C, -212° F
C)   -212° C, -273° F
D)   -273° C, -459° F
E)   -459° C, -273° FF) A) and B)
G) None of the above

Question 8

The coefficient of linear expansion for aluminum is 24. × 10-6 K-1. What is the coefficient in units of C °-1?

Accepted Answer

Question 9

Some texts use the kilogram-mole rather than the gram-mole. What would be the values of the gas constant R and Avogadro's number NA using the kg-mole?

Accepted Answer

R = 8.31 × 10³ J / [(...

Question 10

How many water molecules are there in 36. g of water? Express your answer as a multiple of Avogadro's number NA. (The molecular structure of a water molecule is H2O.)

Accepted Answer

A)   0.020 NA
B)   18. NA
C)   36. NA
D)   2.0 NA
E)   3.0 NAF) A) and D)
G) A) and C)

Question 11

Ten meter long steel railroad rails are laid end to end, with no space between, on a hot day when the temperature is 115.° F. Six months later the temperature has dropped to -2.°F. How much space now exists between each rail?
[ linear expansion coef. for steel is 12. × 10-6 C °-1]

Accepted Answer

Question 12

Which temperature scale never gives negative temperatures?

Accepted Answer

A)   Celsius
B)   Kelvin
C)   FahrenheitD) A) and C)
E) None of the above

Question 13

At room temperature (20.° C) the area of a hole in a sheet of material is 5.505 cm2. When heated to 830.° C the area increases by 29.0 mm2.
(a) What is the thermal coefficient of linear expansion for the material?
(b) If the temperature had decreased to -76.° Fahrenheit, what would be the area of the hole?

Accepted Answer

(a) 32.5 ×...

Question 14

Boltzmann's constant has what units?

Accepted Answer

A)   molecules/mole
B)   J/K
C)   Joules/mole
D)   1/C°
E)   J/mol-KF) A) and E)
G) A) and D)

Question 15

The thermal coefficient of linear expansion of Copper is 1.7 × 10-5 C °-1. What is the thermal volume expansion coefficient?

Accepted Answer

Question 16

The boiling point of water is at

Accepted Answer

A)   -459. K.
B)   212.° C.
C)   373.16 K.
D)   459.° F.
E)   273.16 K.F) A) and B)
G) A) and C)

Question 17

Room temperature is approximately

Accepted Answer

A)   -68.° F.
B)   68. K.
C)   300.° F.
D)   300. K.
E)   68.° C.F) A) and D)
G) A) and C)

Question 18

The coefficient of linear expansion for brass is 19. × 10-6 K-1 . What is its coefficient of volume expansion?

Accepted Answer

A)   3.8 × 10-6 K-1
B)   5.7 × 10-5 K-1
C)   8 × 10-18 K-1
D)   57. × 10-5 K-1
E)   38. × 10-6 K-1F) C) and E)
G) A) and B)

Question 19

Which of the following would correctly convert a Fahrenheit temperature (F)  to a Kelvin (K)  value?

Accepted Answer

A)   K = (5/9) F + 255
B)   K = (5/9) F - 273
C)   K = (9/5)  F + 273
D)   K = (5/9) (F - 32) 
E)   K = (9/5) (F - 32)  + 273F) D) and E)
G) All of the above

Question 20

The Temperature of triple point of water is equivalent to which of the following?

Accepted Answer

A)   100.° C
B)   0.° F
C)   459.° F
D)   373.16 K
E)   273.16 KF) B) and C)
G) All of the above

Exam 10: Temperature and Kinetic Theory

Which temperature scale never gives negative temperatures?

Correct Answer
verified

Some texts use the kilogram-mole rather than the gram-mole. What would be the values of the gas constant R and Avogadro's number N_A using the kg-mole?

Correct Answer
verified
R = 8.31 × 10³ J / [(...
View Answer

The coefficient of linear expansion for brass is 19. × 10^-6 K^-1 . What is its coefficient of volume expansion?

Correct Answer
verified

The kinetic theory of gases suggests the average kinetic energy per molecule is (for a monatomic gas)

Correct Answer
verified

Consider a classroom 10.0 m long by 6.0 m wide by 4.0 m high at "room temperature" 20.° C and 1.0 atmosphere. (a) How many moles of gas are contained in the room? (b) Assuming an average molecular weight of 28, what is the mass of the room air?

Correct Answer
verified
(a) 10. × ...
View Answer

How many water molecules are there in 36. g of water? Express your answer as a multiple of Avogadro's number NA. (The molecular structure of a water molecule is H₂O.)

Correct Answer
verified

Room temperature is approximately

Correct Answer
verified

Boltzmann's constant has what units?

Correct Answer
verified

Correct Answer
verified
(a) 32.5 ×...
View Answer

A mercury thermometer has a bulb of volume 0.100 cm³ at 10.°C. The capillary tube above the bulb has a cross-sectional area of 0.012 mm². The volume thermal expansion coefficient of mercury is 1.80 × 10^-4 K^-1. How much will the mercury rise when the temperature rises to 30.° C?

Correct Answer
verified

A bimetallic strip, consisting of metal G on the top and metal H on the bottom, is rigidly attached to a wall at the left, as shown in Figure 10-1. The coefficient of linear thermal expansion for metal G is greater than that of metal H. If the strip is uniformly heated, it will

Correct Answer
verified

Ten meter long steel railroad rails are laid end to end, with no space between, on a hot day when the temperature is 115.° F. Six months later the temperature has dropped to -2.°F. How much space now exists between each rail? [ linear expansion coef. for steel is 12. × 10^-6 C °^-1]

Correct Answer
verified

The boiling point of water is at

Correct Answer
verified

Which of the following would correctly convert a Fahrenheit temperature (F) to a Kelvin (K) value?

Correct Answer
verified

The Temperature of triple point of water is equivalent to which of the following?

Correct Answer
verified

9/5 of a Fahrenheit degree is equivalent to

Correct Answer
verified

The thermal coefficient of linear expansion of Copper is 1.7 × 10^-5 C °^-1. What is the thermal volume expansion coefficient?

Correct Answer
verified

The coefficient of linear expansion for aluminum is 24. × 10^-6 K^-1. What is the coefficient in units of C °^-1?

Correct Answer
verified

"Absolute Zero" is what temperature on the Celsius and Fahrenheit scales respectively?

Correct Answer
verified

Heat is added to an ideal gas at 20.° C. If the internal energy of the gas increases by a factor of three during this process, what is the final temperature?

Correct Answer
verified

Exam 10: Temperature and Kinetic Theory

Which temperature scale never gives negative temperatures?

Correct AnswerverifiedShow Answer

Some texts use the kilogram-mole rather than the gram-mole. What would be the values of the gas constant R and Avogadro's number NA using the kg-mole?

Correct AnswerverifiedR = 8.31 × 103 J / [(...View AnswerShow Answer

The coefficient of linear expansion for brass is 19. × 10-6 K-1 . What is its coefficient of volume expansion?

Correct AnswerverifiedShow Answer

The kinetic theory of gases suggests the average kinetic energy per molecule is (for a monatomic gas)

Correct AnswerverifiedShow Answer

Consider a classroom 10.0 m long by 6.0 m wide by 4.0 m high at "room temperature" 20.° C and 1.0 atmosphere. (a) How many moles of gas are contained in the room? (b) Assuming an average molecular weight of 28, what is the mass of the room air?

Correct Answerverified(a) 10. × ...View AnswerShow Answer

How many water molecules are there in 36. g of water? Express your answer as a multiple of Avogadro's number NA. (The molecular structure of a water molecule is H2O.)

Correct AnswerverifiedShow Answer

Room temperature is approximately

Correct AnswerverifiedShow Answer

Boltzmann's constant has what units?

Correct AnswerverifiedShow Answer

Correct Answerverified(a) 32.5 ×...View AnswerShow Answer

A mercury thermometer has a bulb of volume 0.100 cm3 at 10.°C. The capillary tube above the bulb has a cross-sectional area of 0.012 mm2. The volume thermal expansion coefficient of mercury is 1.80 × 10-4 K-1. How much will the mercury rise when the temperature rises to 30.° C?

Correct AnswerverifiedShow Answer

A bimetallic strip, consisting of metal G on the top and metal H on the bottom, is rigidly attached to a wall at the left, as shown in Figure 10-1. The coefficient of linear thermal expansion for metal G is greater than that of metal H. If the strip is uniformly heated, it will

Correct AnswerverifiedShow Answer

Ten meter long steel railroad rails are laid end to end, with no space between, on a hot day when the temperature is 115.° F. Six months later the temperature has dropped to -2.°F. How much space now exists between each rail? [ linear expansion coef. for steel is 12. × 10-6 C °-1]

Correct AnswerverifiedShow Answer

The boiling point of water is at

Correct AnswerverifiedShow Answer

Which of the following would correctly convert a Fahrenheit temperature (F) to a Kelvin (K) value?

Correct AnswerverifiedShow Answer

The Temperature of triple point of water is equivalent to which of the following?

Correct AnswerverifiedShow Answer

9/5 of a Fahrenheit degree is equivalent to

Correct AnswerverifiedShow Answer

The thermal coefficient of linear expansion of Copper is 1.7 × 10-5 C °-1. What is the thermal volume expansion coefficient?

Correct AnswerverifiedShow Answer

The coefficient of linear expansion for aluminum is 24. × 10-6 K-1. What is the coefficient in units of C °-1?

Correct AnswerverifiedShow Answer

"Absolute Zero" is what temperature on the Celsius and Fahrenheit scales respectively?

Correct AnswerverifiedShow Answer

Heat is added to an ideal gas at 20.° C. If the internal energy of the gas increases by a factor of three during this process, what is the final temperature?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Some texts use the kilogram-mole rather than the gram-mole. What would be the values of the gas constant R and Avogadro's number N_A using the kg-mole?

Correct Answer
verified
R = 8.31 × 10³ J / [(...
View Answer

The coefficient of linear expansion for brass is 19. × 10^-6 K^-1 . What is its coefficient of volume expansion?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
(a) 10. × ...
View Answer

How many water molecules are there in 36. g of water? Express your answer as a multiple of Avogadro's number NA. (The molecular structure of a water molecule is H₂O.)

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
(a) 32.5 ×...
View Answer

A mercury thermometer has a bulb of volume 0.100 cm³ at 10.°C. The capillary tube above the bulb has a cross-sectional area of 0.012 mm². The volume thermal expansion coefficient of mercury is 1.80 × 10^-4 K^-1. How much will the mercury rise when the temperature rises to 30.° C?

Correct Answer
verified

Correct Answer
verified

Ten meter long steel railroad rails are laid end to end, with no space between, on a hot day when the temperature is 115.° F. Six months later the temperature has dropped to -2.°F. How much space now exists between each rail? [ linear expansion coef. for steel is 12. × 10^-6 C °^-1]

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

The thermal coefficient of linear expansion of Copper is 1.7 × 10^-5 C °^-1. What is the thermal volume expansion coefficient?

Correct Answer
verified

The coefficient of linear expansion for aluminum is 24. × 10^-6 K^-1. What is the coefficient in units of C °^-1?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified