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Frequently Asked Questions

What is the formula to calculate pressure?

You can derive ​ P = ρ g h ​ from ​ P = mg/A ​ using the following steps to obtain the pressure formula for fluids: P = mg/A P = ρgV /A ​: replace mass ​ m ​ with density ​ ρ ​ times volume ​ V ​. P = ρ g h ​: replace ​ V/A ​ with height ​ h ​ because ​ V = A x h ​.

What is the correct equation for pressure?

Pressure is the force on an object that is spread over a surface area. The equation for pressure is P = F/A. Pressure can be measured for a solid is pushing on a solid, but the case of a solid pushing on a liquid or gas requires that the fluid be confined in a container.

How do you calculate pressure?

Pressure and force are related, and so you can calculate one if you know the other by using the physics equation, P = F/A. Because pressure is force divided by area, its meter-kilogram-second (MKS) units are newtons per square meter, or N/m2.

How to calculate total pressure?

Total pressure using Raoult's Law in VLE calculator uses total_pressure = (Mole fraction of component in liquid phase*Saturated pressure)/Mole fraction of component in vapour phase to calculate the Total pressure, The Total pressure using Raoult's Law in VLE formula is defined as the ratio of the product of the liquid phase mole fraction and the saturated pressure to the vapour phase mole fraction of mixture or solution.


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