A helium-filled balloon has a volume of 1 m3. As it rises in the earth's atmosphere, its volume expands. What will its new volume be (in m3) if its original temperature and pressure are 20°C and 1 atm, and its final temperature and pressure are −40°C and 0.1 atm?

A) 4 B) 6 C) 8 D) 10 E) 1.5 A) 4 B) 6 C) 8 D) 10 E) 1.5

A square plate has an area of 29.00 cm2 at 20.0°C. It will be used in a low temperature experiment at T = 10.0K where it must have an area of 28.00 cm2. What area must be removed form the plate at 20.0°C for it to have the correct area at 10.0 K? (The coefficient of linear expansion is 10 × 10−6 (°C)−1.)

A) 0.079 3 cm2 B) 0.159 cm2 C) 0.238 cm2 D) 0.841 cm2 E) 0.921 cm2 A) 0.079 3 cm2 B) 0.159 cm2 C) 0.238 cm2 D) 0.841 cm2 E) 0.921 cm2

Exam 19: Temperature

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A bicycle pump contains air at one atmosphere and 0°C. As the tire is pumped up, the volume of air decreases by 50% with each stroke. What is the new pressure of air (in atm) in the chamber after the first stroke, assuming no temperature change?

(Multiple Choice)

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Question 21

Two identical containers, A and B, hold equal amounts of the same ideal gas at the same P_o, V_o and T_o. The pressure of A then decreases by a half while its volume doubles; the pressure of B doubles while its volume decreases by a half. Which statement correctly describes the temperatures of the gases after the changes?

(Multiple Choice)

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Question 22

One mole of an ideal gas is held at a constant pressure of 1 atm. Find the change in volume (in liters) if the temperature changes by 50°C.

(Multiple Choice)

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Question 23

Two moles of an ideal gas are placed in a container of adjustable volume. When measurements are made

(Multiple Choice)

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Question 24

A scuba diver has his lungs filled to half capacity (3 liters) when 10 m below the surface. If the diver holds his breath while quietly rising to the surface, what will the volume of the lungs be (in liters) at the surface? Assume the temperature is the same at all depths. (The density of water is 1.0 × 10³ kg/m³.)

(Multiple Choice)

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Question 25

A helium-filled balloon has a volume of 1 m³. As it rises in the earth's atmosphere, its volume expands. What will its new volume be (in m³) if its original temperature and pressure are 20°C and 1 atm, and its final temperature and pressure are −40°C and 0.1 atm?

(Multiple Choice)

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Question 26

Two thermometers are calibrated, one in degrees Celsius and the other in degrees Fahrenheit. At what temperature (in kelvins) do their readings measure the same temperature?

(Multiple Choice)

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Question 27

At what Fahrenheit temperature are the Kelvin and Fahrenheit temperatures numerically equal?

(Short Answer)

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Question 28

A bowling ball size probe from a spaceship and a pebble size object land on a large asteroid that is far from any star. After a long period of time has passed, it is highly probable that the pebble and the probe

(Multiple Choice)

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Question 29

A temperature difference of 9.0 Celsius degrees is equal to a Fahrenheit temperature difference of

(Multiple Choice)

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Question 30

A student has written the equation below to convert a temperature in degrees Fahrenheit into Kelvins. What is wrong with this equation?

(Multiple Choice)

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Question 31

Which of the following is not a possible thermometric property of a body?

(Multiple Choice)

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Question 32

Helium condenses into the liquid phase at approximately 4 K. What temperature, in degrees Fahrenheit, does this correspond to?

(Multiple Choice)

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Question 33

A gallon container is filled with gasoline. How many gallons are lost if the temperature increases by 25°F? (The volume expansion of gasoline is 9.6 × 10−⁴ (°C)−¹.) (Neglect the change in volume of the container.)

(Multiple Choice)

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Question 34

One mole of an ideal gas is held at a constant volume of 1 liter. Find the change in pressure if the temperature increases by 50°C.

(Multiple Choice)

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Question 35

When the coefficient of linear expansion, α, and the temperature change, T_f − T_i, are large, a length L_i of a solid substance expands in length to

(Multiple Choice)

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Question 36

At which of the following temperatures would one liter of water weigh the most?

(Multiple Choice)

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Question 37

A bubble having a diameter of 1.00 cm is released from the bottom of a swimming pool where the depth is 5.00 m. What will the diameter of the bubble be when it reaches the surface? The temperature of the water at the surface is 20.0°C, whereas it is 15.0°C at the bottom. (The density of water is 1.00 × 10³ kg/m³.)

(Multiple Choice)

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Question 38

A square plate has an area of 29.00 cm² at 20.0°C. It will be used in a low temperature experiment at T = 10.0K where it must have an area of 28.00 cm². What area must be removed form the plate at 20.0°C for it to have the correct area at 10.0 K? (The coefficient of linear expansion is 10 × 10−⁶ (°C)−¹.)

(Multiple Choice)

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Question 39

48 grams of oxygen at room temperature consists of how many moles?

(Multiple Choice)

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Question 40

Showing 21 - 40 of 47

Exam 19: Temperature

A bicycle pump contains air at one atmosphere and 0°C. As the tire is pumped up, the volume of air decreases by 50% with each stroke. What is the new pressure of air (in atm) in the chamber after the first stroke, assuming no temperature change?

One mole of an ideal gas is held at a constant pressure of 1 atm. Find the change in volume (in liters) if the temperature changes by 50°C.

Two moles of an ideal gas are placed in a container of adjustable volume. When measurements are made

A helium-filled balloon has a volume of 1 m3. As it rises in the earth's atmosphere, its volume expands. What will its new volume be (in m3) if its original temperature and pressure are 20°C and 1 atm, and its final temperature and pressure are −40°C and 0.1 atm?

Two thermometers are calibrated, one in degrees Celsius and the other in degrees Fahrenheit. At what temperature (in kelvins) do their readings measure the same temperature?

At what Fahrenheit temperature are the Kelvin and Fahrenheit temperatures numerically equal?

A bowling ball size probe from a spaceship and a pebble size object land on a large asteroid that is far from any star. After a long period of time has passed, it is highly probable that the pebble and the probe

A temperature difference of 9.0 Celsius degrees is equal to a Fahrenheit temperature difference of

A student has written the equation below to convert a temperature in degrees Fahrenheit into Kelvins. What is wrong with this equation?

Which of the following is not a possible thermometric property of a body?

Helium condenses into the liquid phase at approximately 4 K. What temperature, in degrees Fahrenheit, does this correspond to?

A gallon container is filled with gasoline. How many gallons are lost if the temperature increases by 25°F? (The volume expansion of gasoline is 9.6 × 10−4 (°C)−1.) (Neglect the change in volume of the container.)

One mole of an ideal gas is held at a constant volume of 1 liter. Find the change in pressure if the temperature increases by 50°C.

When the coefficient of linear expansion, α, and the temperature change, Tf − Ti, are large, a length Li of a solid substance expands in length to

At which of the following temperatures would one liter of water weigh the most?

48 grams of oxygen at room temperature consists of how many moles?

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A helium-filled balloon has a volume of 1 m³. As it rises in the earth's atmosphere, its volume expands. What will its new volume be (in m³) if its original temperature and pressure are 20°C and 1 atm, and its final temperature and pressure are −40°C and 0.1 atm?

A gallon container is filled with gasoline. How many gallons are lost if the temperature increases by 25°F? (The volume expansion of gasoline is 9.6 × 10−⁴ (°C)−¹.) (Neglect the change in volume of the container.)

When the coefficient of linear expansion, α, and the temperature change, T_f − T_i, are large, a length L_i of a solid substance expands in length to