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Why is boiling dependent on pressure?
Boiling is dependent on pressure because the pressure affects the boiling point of a substance. When the pressure is higher, the boiling point of a substance is also higher, and when the pressure is lower, the boiling point is lower. This is because pressure affects the vapor pressure of the substance, which needs to equal the atmospheric pressure for boiling to occur.
When water boils it evaporates?
Evaporation occur at any temperature, boiling only at the boiling point - 100 oC at standard pressure.
When does boiling point occur?
For water it is 100 degrees celsius, however it is different for other liquids ------------------------- Generally, boiling point is the temperature at which the liquid's vapour pressure is equal to the external atmospheric pressure.
Where does boiling take place in a liquid?
Boiling occur in the entire volume of the liquid.
Does Increasing the pressure of a liquid lower its boiling point?
No, increasing the pressure of a liquid actually raises its boiling point. This is because higher pressure increases the kinetic energy required for molecules to escape the liquid phase and enter the gas phase, which raises the temperature needed for boiling to occur.
What are the freezing melting boiling and evaporation points of water?
The melting/freezing point of water is oC.The boiling point of water is 100 oC at standard pressure.Evaporation occur at any temperature.
What is the temperature at which gas will liquefy at standard pressure?
The boiling point. The process is condensation, but condensation and boiling occur at the same temperature since the boiling point represents the temperature at which gas and liquid are in equilibrium with each other.
What is a graph that shows the different states of a substance according to the temperature and pressure it is under?
A phase diagram is a graph that shows the different states of a substance (solid, liquid, gas) based on the temperature and pressure it is subjected to. It displays the conditions at which phase transitions occur, such as melting or boiling points.
What is the difference between azeotropic and near-azeotropic refrigerant blends?
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.
Why melting and boiling points are physical properties of gold?
Because gold melted or boiled remain gold, any chemical transformation occur.
Is helium the highest boiling point?
Helium has the lowest boiling point of any naturally occurring material. Monoatomic Hydrogen remains a gas at a lower temperature but that does not occur in nature.
What happens when pressure greater than atmospheric pressure is applied to pure water or a solution?
When pressure greater than atmospheric pressure is applied to pure water or a solution, the boiling point of the water/solution will increase. This means that the liquid will need to reach a higher temperature before it boils. Conversely, if the pressure decreases below atmospheric pressure, the boiling point will decrease, requiring a lower temperature for boiling to occur.
