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Questions and Answers
Which of the following statements about gases is true?
Which of the following statements about gases is true?
- Doubling the pressure of a gas doubles its volume.
- Gases occupy less space than liquids and solids. (correct)
- Gases are difficult to compress.
- Increasing the temperature of a gas decreases its pressure.
What is the relationship between the volume and pressure of a gas?
What is the relationship between the volume and pressure of a gas?
- Doubling the pressure of a gas doubles its volume.
- Increasing the pressure of a gas decreases its volume.
- Increasing the pressure of a gas increases its volume.
- Doubling the pressure of a gas reduces its volume to about half of its previous value. (correct)
What happens to the pressure of a gas when its temperature is increased?
What happens to the pressure of a gas when its temperature is increased?
- The pressure decreases.
- The pressure increases. (correct)
- The pressure remains constant.
- The pressure becomes zero.
What is the characteristic property of gases that allows them to be easily compressed?
What is the characteristic property of gases that allows them to be easily compressed?
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What is pressure defined as?
What is pressure defined as?
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Study Notes
Gas Properties
- The relationship between the volume and pressure of a gas is inverse, meaning that as the volume of a gas increases, its pressure decreases, and vice versa.
Pressure and Temperature
- When the temperature of a gas is increased, its pressure also increases, assuming the volume remains constant.
Compressibility of Gases
- The characteristic property of gases that allows them to be easily compressed is their molecules being widely spaced and free to move, making them highly compressible.
Definition of Pressure
- Pressure is defined as the force per unit area, typically measured in units such as pascals (Pa) or pounds per square inch (psi).
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