Question

what is the unit of vapour pressure​

Answer 1

Answer:

The most common unit of vapour pressure is torr.

1 torr=1 mm of mercury.

Explanation:

Hope it helps u

Answer 2

Final answer: Unit of vapour pressure = Pa or Nm⁻² or Kg m⁻¹S⁻²

Given that: We are given the term vapour pressure.

To find: We have to find unit of vapour pressure.

Explanation:

• Vapour pressure measured in standard unit of pressure. The SI unit of pressure is pascal Pa.
• Pa = Nm⁻² or Kg m⁻¹S⁻²

• One newton per meter square is one pascal.

• Sometime vapour pressure  expressed in millimeters of mercury i.e. mmHg in medical area.

• Vapour pressure of liquid at definite temperature is the pressure of vapour in equilibrium with the liquid at that temperature.

• The value of vapour pressure of liquid depends on the magnitude of temperature and on the intermolecular forces present in it.

• Smaller the intermolecular forces present in liquid, higher the vapour pressure because weaker Intermolecular force permit the molecule to escape easily from the liquid. Such liquid are more volatile.

• The number of molecule having higher kinetic energies is greater at high temperature. So large fraction of molecules of the liquid have sufficient kinetic energy to overcome the intermolecular forces and escape from the liquid. Hence vapour pressure is high at high temperature.

To know more about the concept please go through the links

https://brainly.in/question/12670021

https://brainly.in/question/6090096

#SPJ6