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Maximum pressure of vapor that builds up in a closed container?
The maximum pressure of vapor that can build up in a closed container is the vapor pressure of the substance at the given temperature. Once the vapor pressure is reached, the system reaches equilibrium and no further increase in pressure occurs. Any additional vapor will condense back into liquid form.
What causes vapor pressure of a liquid?
The evaporation of the liquid by heating.
Is increase of vapor pressure a colligative property?
Yes, an increase in vapor pressure is a colligative property. Colligative properties depend on the number of solute particles in a solution, not their identity. Therefore, increasing the concentration of a solute in a solution will result in an increase in vapor pressure due to reduced effective solute-solvent interactions.
Why an increase in vapour pressure stop boiling?
An increase in pressure can stop boiling until at an increased temperature the vapor pressure equals the external pressure. That is the definition of boiling, when the vapor pressure equals the external pressure than the liquid will boil.
Why is the vapor pressure of a warm lake higher than the vapor pressure of a cold lake?
The vapor pressure of a warm lake is higher than that of a cold lake because higher temperatures increase the kinetic energy of water molecules, causing them to evaporate more easily and increase the pressure of water vapor above the lake's surface.
How does the observed process in the jar relate to the vapor pressure of the system?
The observed process in the jar is related to the vapor pressure of the system because as the liquid evaporates and turns into vapor, it increases the pressure inside the jar. This is because the vapor molecules exert pressure on the walls of the container, leading to an increase in vapor pressure.
What effect does increase water vapor have on atmospheric pressure?
it causes a decrease in atmosperic pressure A+
What is the effect of the temperature on the vapour pressure?
When temperature is increased the amount of molecules evaporated is increasef and as a consequence condensation is also increased so vapour pressure increases.
How does an increase in vapor pressure impact the colligative properties of a solution?
An increase in vapor pressure decreases the colligative properties of a solution. This is because higher vapor pressure means more solvent molecules are escaping into the gas phase, reducing the concentration of solute particles in the solution. This results in lower boiling point, higher freezing point, and lower osmotic pressure compared to a solution with lower vapor pressure.
Difference between isothermal and isobaric heating of saturated steam?
Isothermal heating of saturated steam occurs at constant temperature, while isobaric heating occurs at constant pressure. During isothermal heating, the temperature of the steam remains constant as it absorbs heat energy and undergoes a phase change. In contrast, during isobaric heating, the pressure remains constant as the steam absorbs heat energy, leading to an increase in temperature while remaining in the vapor state.
What changes a high pressure vapor to a high pressure liquid?
Cooling the high pressure vapor to lower its temperature and increase its density can cause it to condense and change into a high pressure liquid.
How does the vapor pressure of a substance change with temperature?
The vapor pressure of a substance increases with temperature. As the temperature rises, more molecules have enough energy to escape from the liquid phase and enter the gas phase, leading to an increase in vapor pressure.
