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A substance will exist as a gas at ambient temperature and pressure?
A substance will exist as a gas at ambient temperature and pressure if its boiling point is below the ambient temperature and its vapor pressure exceeds the atmospheric pressure at that temperature.
What is the vapor pressure of KCl?
The vapor pressure of KCl depends on temperature. At room temperature (around 25°C), the vapor pressure of KCl is very low, close to negligible. As the temperature increases, the vapor pressure of KCl also increases, following the general trend for solids.
What factors affect evaporation rate sientific answer?
Vapor pressure of the liquid, ambient pressure, temperature, and surface area of the liquid.
What is responsible for changing liquid into vapor?
Either a reduction of the ambient pressure or an increase in thermal energy (temperature).
What is responsible for changing liquid water into vapor?
Either a reduction of the ambient pressure or an increase in thermal energy (temperature).
How does the outdoor ambient temperature affect the head pressure?
The outdoor ambient temperature significantly influences head pressure in refrigeration and air conditioning systems. As the temperature increases, the heat absorbed by the refrigerant rises, leading to higher head pressure due to increased vapor pressure in the condenser. Conversely, lower ambient temperatures can reduce head pressure as the refrigerant condenses more efficiently. Maintaining optimal head pressure is crucial for system efficiency and performance.
What does the vapor pressure vs temperature graph reveal about the relationship between vapor pressure and temperature?
The vapor pressure vs temperature graph shows that as temperature increases, the vapor pressure also increases. This indicates that there is a direct relationship between vapor pressure and temperature, where higher temperatures lead to higher vapor pressures.
Is the vapor pressure of a liquid a linear function of temperature?
If the temperature of the liquid is raised, more molecules escape to the vapor until equilibrium is once again established. The vapor pressure of a liquid, therefore, increases with increasing temperature.
What does the vapor pressure graph reveal about the relationship between temperature and vapor pressure?
The vapor pressure graph shows that as temperature increases, the vapor pressure also increases. This indicates a direct relationship between temperature and vapor pressure, where higher temperatures result in higher vapor pressures.
What relationship does the vapor pressure and temperature graph illustrate?
The graph illustrates the relationship between vapor pressure and temperature. As temperature increases, vapor pressure also increases.
What term defines the temperature at which the vapor pressure of the liquid equals the atmospheric pressure?
The temperature at which the vapor pressure of the liquid equals the atmospheric pressure is called THE BOILING POINT.
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.
