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Which of the following is CORRECT about the viscosity of gas?
- a)Inversely proportional to the temperature
- b)Increases with an increase in the temperature
- c)Independent of pressure
- d)Independent of temperature
Correct answer is option 'B'. Can you explain this answer?
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Which of the following is CORRECT about the viscosity of gas?a)Inverse...
As temperature increases, randomness in molecules also increases. This increase in randomness will result in increase in viscosity as viscosity of gas depends on randomness & collision of gas molecules.
Phenomenon: As a gas is heated, the movement of gas molecules increases and the probability that one gas molecule will collide with another gas molecule increases. In other words, increasing gas temperature causes the gas molecules to collide more often. This increases the gas viscosity because the transfer of momentum between stationary and moving molecules is what causes gas viscosity.
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Which of the following is CORRECT about the viscosity of gas?a)Inverse...
Understanding Gas Viscosity
The viscosity of a gas is a crucial property that describes its resistance to flow. It is influenced by various factors, including temperature.
Why Viscosity Increases with Temperature
- As temperature rises, the kinetic energy of gas molecules increases.
- Higher kinetic energy leads to more vigorous molecular movement, resulting in more frequent and intense collisions among molecules.
- This increased molecular activity enhances the ability of gas layers to slide past one another, thereby increasing viscosity.
Key Points on Gas Viscosity
- Inversely Proportional to Temperature: Incorrect. This is true for liquids, where increased temperature usually decreases viscosity.
- Independent of Pressure: Not entirely accurate. While viscosity is less sensitive to pressure changes in gases compared to liquids, it can still be affected by pressure in certain conditions.
- Independent of Temperature: Incorrect. Viscosity is not constant and varies with temperature changes.
Conclusion
The correct answer is option 'B': Viscosity of gas increases with an increase in temperature. Understanding this relationship is vital in fields such as civil engineering, where gas behaviors are essential in various applications, including HVAC systems, gas transportation, and environmental engineering.
The viscosity of a gas is a crucial property that describes its resistance to flow. It is influenced by various factors, including temperature.
Why Viscosity Increases with Temperature
- As temperature rises, the kinetic energy of gas molecules increases.
- Higher kinetic energy leads to more vigorous molecular movement, resulting in more frequent and intense collisions among molecules.
- This increased molecular activity enhances the ability of gas layers to slide past one another, thereby increasing viscosity.
Key Points on Gas Viscosity
- Inversely Proportional to Temperature: Incorrect. This is true for liquids, where increased temperature usually decreases viscosity.
- Independent of Pressure: Not entirely accurate. While viscosity is less sensitive to pressure changes in gases compared to liquids, it can still be affected by pressure in certain conditions.
- Independent of Temperature: Incorrect. Viscosity is not constant and varies with temperature changes.
Conclusion
The correct answer is option 'B': Viscosity of gas increases with an increase in temperature. Understanding this relationship is vital in fields such as civil engineering, where gas behaviors are essential in various applications, including HVAC systems, gas transportation, and environmental engineering.
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Which of the following is CORRECT about the viscosity of gas?a)Inversely proportional to the temperatureb)Increases with an increase in the temperaturec)Independent of pressured)Independent of temperatureCorrect answer is option 'B'. Can you explain this answer?
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