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What is the vapour pressure of liquids?
Vapour pressure is the pressure exerted by a vapor in thermodynamic equilibrium with its condensed phases at a given temperature in a closed system. It is a measure of a liquid's tendency to evaporate. The higher the vapor pressure, the more volatile a liquid is.
What are the three phases that water can exist on the earth?
Water can exist in three phases on Earth: solid (ice), liquid (water), and gas (water vapor). These phases depend on temperature and pressure conditions.
Why vapour pressure is independent of the amount of liquid and surface area of liquid?
rate of evaporation become equal to rate of condensation
What halogen has a deep brown vapour?
Bromine. This is a liquid at room temperature and pressure but fumes a rich reddy brown vapour. Keep it in a fume cupboard.
What is the effect of nature of liquid on the rate of evaporation?
heat, humidity,wind and the surface area of container that it is in.
How will show that the process of evaporation depends on the nature of the liquid?
By the measurement of the pressure vapour at a given temperature; this value is different from liquid to liquid.
When smelling a liquid?
When this liquid has a great vapour pressure.
What will be happen if liquid other than water are used in variation of pressure with depth?
it depends on the vapour pressure of the liquid
What is the vapour pressure of liquids?
Vapour pressure is the pressure exerted by a vapor in thermodynamic equilibrium with its condensed phases at a given temperature in a closed system. It is a measure of a liquid's tendency to evaporate. The higher the vapor pressure, the more volatile a liquid is.
What kind of pressure of a liquid is the pressure exerted at equilibrium and is dependent on temperature only?
Vapour pressure ; yes
What is equilibrium vapor pressure?
It is vapor molecules in equilibrium with a liquid in a closed system exert a pressure proportional to the concentration of molecules in the vapor state.
What is vapour binding?
when pressure on the suction side of the pump drop below the vapour pressure of the liquid, vapour forms. It's caused because of insufficient suction head, high suction lift, excessive friction head, or high liquid temperature.
What factors affect the vapour pressure of a liquid?
Vapor pressure or equilibrium vapor pressure are the pressure of a vapor in thermodynamic equilibrium with its condensed phases in a closed bottle. All liquids and solids have a tendency to evaporate into a gaseous form, and all gases have a tendency to condense back to their liquid or solid form.The equilibrium vapour pressure is an indication of a liquid's evaporation rate. It relates to the tendency of particles to escape from the liquid (or a solid). A substance with a high vapour pressure at normal temperatures is often referred to as volatile
Why evapourate at a low pressure?
Reducing the air pressure allows the molecules to escape
Why is boiling point a property?
The boiling point of a specific substance is the transition between the liquid and gas phases. This occurs when the vapour pressure of a liquid equals the surrounding pressure of the liquid.
What are the three phases that water can exist on the earth?
Water can exist in three phases on Earth: solid (ice), liquid (water), and gas (water vapor). These phases depend on temperature and pressure conditions.
How can I define boiling point scientifically?
Boiling point is defined as the temperature at which the vapour pressure of a liquid is equal to the atmospheric pressure. In other words, it is the minimum temperature at which a matter which is in the liquid state gets converted to a matter in the gaseous or vapour state.
