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Hero John > Gen.chem. > Flashcards

Gen.chem. Flashcards

1
Q

What is Boyle’s Law?

A

Boyle’s Law states that the pressure of a gas at constant temperature is inversely proportional to its volume.

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2
Q

How does pressure affect the volume of a gas according to Boyle’s Law?

A
  • As the pressure of a gas increases at constant temperature, its volume decreases.
  • As the pressure of a gas decreases at constant temperature, its volume increases.
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3
Q

What are the four physical properties that describe a gas?

A
  • Volume
  • Pressure
  • Temperature
  • Amount
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4
Q

What happens to gas volume when external pressure is increased?

A

The volume of the gas decreases.

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5
Q

What happens to gas volume when external pressure is decreased?

A

The volume of the gas increases.

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6
Q

What is the mathematical relationship expressed in Equation 10.2.1?

A

The pressure of a gas is inversely proportional to its volume.

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7
Q

What does Equation 10.2.2 represent in Boyle’s Law?

A

The product of pressure and volume is constant (P_i * V_i = P_f * V_f).

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8
Q

What is a P-V diagram?

A

A graph that represents the changes in pressure of a gas with its volume, provided that other parameters are constant.

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9
Q

Fill in the blank: Boyle’s Law only applies if the _______ and the amount of gas remain constant.

A

temperature

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10
Q

What is the proportionality constant in Boyle’s Law dependent on?

A

Temperature and amount of gas.

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11
Q

True or False: Boyle’s Law applies if the temperature of the gas remains constant.

A

True

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12
Q

True or False: The pressure of a gas will increase if transferred to a larger container while keeping the temperature and amount of gas constant.

A

False

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13
Q

What is the initial pressure (P_i) and volume (V_i) of a gas if its final volume (V_f) is 20.00 L and the initial pressure is 5.00 atm?

A

P_i = 5.00 atm, V_i = 10.00 L

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14
Q

What is the final pressure (P_f) if a gas is transferred from a volume of 10.00 L at 5.00 atm to a volume of 20.00 L?

A

P_f = 2.50 atm

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15
Q

What is the formula for Boyle’s Law?

A

P_i * V_i = P_f * V_f

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16
Q

True or False: The initial and final pressure units should always match before using Boyle’s Law for computation.

A

True

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17
Q

What is the final pressure of a gas that had an initial pressure of 0.75 bar and was moved to a 2.00 L tank?

A

Final pressure = 0.188 bar

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18
Q

What happens to the gas inside a balloon when you increase its pressure?

A

The gas compresses and reduces its volume.

19
Q

What happens to the gas inside a balloon when you decrease its pressure?

A

The gas expands and increases its volume.

20
Q

What is Boyle’s Law?

A

The principle that describes the relationship between the pressure and volume of a gas at constant temperature.

21
Q

Under what condition does Boyle’s Law not apply?

A

If there is an inert mixture of gases.

22
Q

If a gas occupies a volume of 0.33 L at a pressure of 0.55 atm, what is its final pressure when the volume decreases to 0.10 L?

A

To be calculated using Boyle’s Law.

23
Q

What is the final volume of a gas with 450 mmHg if its initial pressure and volume are 300 mmHg and 300 mL, respectively?

A

To be calculated using Boyle’s Law.

24
Q

What will be the pressure of a gas in a 20.0 L container if it originally had a pressure of 16.2 bar and a volume of 50.0 L?

A

To be calculated using Boyle’s Law.

25
Q

Compute the initial volume of a gas with a final pressure of 0.21 atm, a final volume of 250 mL, and an initial pressure of 1.00 atm.

A

To be calculated using Boyle’s Law.

26
Q

What is the initial volume of a gas with 800 torr if its pressure is 760 torr and the volume is 150 mL?

A

To be calculated using Boyle’s Law.

27
Q

If argon gas with a pressure of 3.00 bar is in a 0.500 L container, what will its pressure be if released in a 4.00 L chamber?

A

To be calculated using Boyle’s Law.

28
Q

What is the initial pressure of an air mixture if it has a final pressure of 2.75 bar when stored in a 600 mL container and was originally stored in a 150 mL container?

A

To be calculated using Boyle’s Law.

29
Q

Calculate the final volume of an air mixture with an initial pressure of 500 torr, an initial volume of 100 cm³, and a final pressure of 800 torr.

A

To be calculated using Boyle’s Law.

30
Q

What will be the pressure of a reaction producing CO₂ in a 250 mL flask if it produced a pressure of 1.25 bar in a 500 mL flask?

A

To be calculated using Boyle’s Law.

31
Q

If a gas in a 5.00 L container has a pressure of 920 torr, what will its pressure be in an 8.00 L container?

A

To be calculated using Boyle’s Law.

32
Q

What is the final pressure of a 100-cm³ piston experiencing 10,000 kPa of pressure when the volume expands to 1,030 cm³?

A

To be calculated using Boyle’s Law.

33
Q

Compute the final pressure if an elastic container with an initial pressure of 1.00 atm and a volume of 1.50 L expands isothermally to 6.00 L.

A

To be calculated using Boyle’s Law.

34
Q

What is the final pressure of an evacuated container with 200 kPa of pressure and 4.00 L of volume when it expands to 20.00 L?

A

To be calculated using Boyle’s Law.

35
Q

What would be the pressure of a gas loaded in a 40.00 L nitrogen tank at 13.8 bar if loaded into a 33.00 L tank?

A

To be calculated using Boyle’s Law.

36
Q

If a 1.75-m³ balloon is loaded with 1.05 atm of air, what would its final pressure be if it shrinks to 1.50 m³?

A

To be calculated using Boyle’s Law.

37
Q

How would the volume of a gas change if its pressure doubles?

A

The volume would halve.

38
Q

How would the pressure change if the gas was transferred to a container one-fourth the volume of the original container?

A

The pressure would quadruple.

39
Q

By how much should a 1.00-L container be compressed to reduce the pressure from 10.00 atm to standard pressure conditions?

A

To be calculated using Boyle’s Law.

40
Q

A sample of ethanol gas occupies 350 mL at standard pressure conditions. What volume will it occupy if the pressure is reduced to 740 torr?

A

To be calculated using Boyle’s Law.

41
Q

A sample of a pure, unknown gas has a pressure of 10.2 torr and occupies a volume of 42.5 mL. Would it condense at a pressure of 20.0 torr and a volume of 30.00 mL?

A

It would condense.

42
Q

What is the final answer for the problem about a gas occupying a volume of 0.33 L at a pressure of 0.55 atm?

A

100.602

43
Q

What is the final answer for the problem about the final volume of a gas with 450 mmHg?

A

250.0 torr

44
Q

What is the final answer for the problem about a tank of gas with a pressure of 16.2 bar?

A

9 869.23 mL

Hero John (6 decks)

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