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What is the pressure exerted by a vapor confined within a given space?
The pressure exerted by a vapor confined within a given space depends on factors such as temperature, volume of the space, and the number of gas molecules present. It follows the ideal gas law, where pressure is directly proportional to the number of molecules and temperature, and inversely proportional to the volume of the container.
What is kinetic vapour pressure?
Kinetic vapor pressure is the pressure exerted by vapor molecules when a liquid is in a closed container and some of the liquid has evaporated into the gas phase due to kinetic energy. It is different from the equilibrium vapor pressure, which is the pressure at which the rate of evaporation equals the rate of condensation.
What is the approximate vapor pressure when the gas condenses at 80oC?
The vapor pressure is the pressure exerted by a vapor in thermodynamic equilibrium with its condensed phases at a given temperature. The vapor pressure depends on the temperature and the substance.
What kind of liquid pressure is exerted at equilibrium and is dependent on temperature only?
Vapor pressure is the type of liquid pressure exerted at equilibrium that is dependent on temperature only. As temperature increases, the vapor pressure of a liquid also increases.
What is the vapor pressure of water at 21.5C?
The vapor pressure of water at 21.5°C is approximately 19.8 mmHg. This value represents the pressure exerted by water vapor when in equilibrium with liquid water at that temperature.
Is true vapor pressure absolute pressure?
No, true vapor pressure is the pressure exerted by a vapor in equilibrium with its condensed phase at a given temperature. Absolute pressure refers to the total pressure within a system, including atmospheric pressure. These two concepts are related but not the same.
When vapor pressure equals atmospheric pressure at the surface of a liquid it has reached its what?
When the vapor pressure equals atmospheric pressure at the surface of a liquid, it has reached its boiling point. This is the temperature at which the vapor pressure of the liquid is equal to the pressure exerted on it by the surrounding atmosphere, causing the liquid to change into vapor.
What is the accurate definition of vapor pressure?
Vapor pressure is the pressure exerted by a vapor in thermodynamic equilibrium with its condensed phases (solid or liquid) in a closed system at a given temperature. It represents the tendency of a substance to evaporate or transition into the gas phase.
Is vapor pressure and evaporation the same thing?
Vapor pressure and evaporation are related but not the same thing. Evaporation is the process by which a liquid turns into a gas at a temperature below its boiling point, while vapor pressure refers to the pressure exerted by the vapor of a substance in equilibrium with its liquid phase at a given temperature. Evaporation contributes to the generation of vapor pressure.
After B.P of water .Can further heating increase the vapor pressure?
Of course. It's a fundamental principle of gases that when a gas is heated, its pressure increases if it's confined, and it expands of it's not confined.
What is difference between vapor pressure and vapor density?
Vapor pressure is the pressure exerted by a vapor in equilibrium with its condensed phase (liquid or solid) at a given temperature. Vapor density, on the other hand, is the mass of a vapor per unit volume of air. In essence, vapor pressure relates to the equilibrium between the vapor and its condensed phase, while vapor density pertains to the mass of vapor in a given volume of air.
Can vapor pressure occur in open container?
Yes, vapor pressure can occur in an open container. Vapor pressure is the pressure exerted by a vapor in equilibrium with its condensed phase in a closed system. In an open container, vapor can still form above a liquid or solid substance, but it will not reach equilibrium as it can escape into the surrounding environment.
