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Some substances evaporate more easily than other because they?
have weaker intermolecular forces, which allow the molecules to escape into the gas phase more readily.
Are properties affected by changes in temperature and and pressure?
Yes, properties of substances such as volume, density, and solubility can be affected by changes in temperature and pressure. For example, as temperature increases, most substances tend to expand, and as pressure increases, the volume of gases tends to decrease.
Why is precipitation heavier in the presistent low-pressure zones of the world?
Low barometric pressure usually indicates that air is flowing upwards. When air moves upwards it cools and the moisture in it may condense to form clouds and possibly produce rain and thunderstorms.
Water evaporate at?
Water evaporates at various rates depending on factors such as temperature, air movement, and humidity. Generally, water will start to evaporate at temperatures as low as 0°C, but the rate of evaporation will increase as the temperature rises.
Would water evaporate on the surface of Mars?
Water can evaporate on Mars but at a much slower rate compared to Earth due to the planet's thin atmosphere and low atmospheric pressure. The low temperatures on Mars can also affect the evaporation process.
Why you are not crushed by atomspheric pressure?
The fluids in your body also exert pressure.
Why did astronauts need to wear space suits when they visited the moon?
There is no atomosphere or atmospheric pressure. Without atomspheric pressure the astronauts blood would boil.
Distillation is a process that can separate two liquids using what?
Distillation separates two liquids that have significantly different vapor pressures. The usual process uses heat to evaporate the gas with the higher vapor pressure. The gaseous form of the liquid is moved to a different container, where it is cooled, causing the gas to condense back into a liquid. In practical application, there is a limit to how completely two substances can be separated using distillation, because some of the substance with a lower vapor pressure will always evaporate along with the substance with higher vapor pressure.
How does a vacuum dehydrator work to remove moisture from substances effectively?
A vacuum dehydrator works by creating a low-pressure environment that causes moisture to evaporate from substances at lower temperatures, making the dehydration process more efficient.
When the gas pressure is increased what happens?
The gas will condense and turn into a liquid.
What gasses condense?
Gases with low boiling points, such as water vapor, can condense into liquid form when cooled. Additionally, gases with high vapor pressure can also condense under the right conditions.
What is the effect of vapour pressure on lifting of liquids?
Vapor pressure is a measure of a substance's tendency to evaporate. Higher vapor pressure leads to more rapid evaporation, which can create a lifting effect on the liquid. This lifting effect is evident with substances that have high vapor pressure, as they can form vapor bubbles that displace the liquid, causing it to rise.
What is the measurement of atomspheric pressure?
Atmospheric pressure is measured in "Standard Atmosphere" (atm). 1 atm is equivalent to the 101.325kPa (Kilo Pascals) On average is of the weight of a column of air, one square centimeter, measured from sea level to to the top of the atmosphere.
Does the antifreeze evaporate when the coolant fan is not working?
it will overheat and pressure will open the cap allowing fluid loss which the air will evaporate
What might change the state of an element or compound?
Changes in temperature, pressure, or the addition of a catalyst can alter the state of an element or compound. Heating can cause a substance to melt or evaporate, while cooling can cause it to solidify or condense. Pressure changes can also affect the state of a substance, for example, raising the pressure can turn a gas into a liquid. Additionally, the presence of a catalyst can facilitate chemical reactions that transform a substance into different states.
When can water evaporate?
Water is evaporated at any temperature; a high pressure and a low pressure favors evaporation.
What is the difference between azeotropic refrigerant and zeotropic refrigerant?
Azotropic will only have one boiling or condensing point for each system pressure negligible fractionation or temperature glide will occur Zeotropic will have a range of boiling and condensing points for each system pressure noticeable fractionationand glide will occur.
