Clapeyron equation

What are the applications of Clausius Clapeyron equation?

The Clausius–Clapeyron equation is used to do a comparative study of the properties of the clouds that form in planetary atmospheres.

What is the relation between Vapour pressure and temperature?

The vapor pressure of a liquid varies with its temperature, as the following graph shows for water. The line on the graph shows the boiling temperature for water. As the temperature of a liquid or solid increases its vapor pressure also increases. Conversely, vapor pressure decreases as the temperature decreases.

How do you calculate PVAP?

To find the vapor pressure at a given temperature, use the Clausius-Clapeyron equation: ln(P1/P2) = (ΔHvap/R)((1/T2) – (1/T1)). You could also use Raoult’s Law to find the vapor pressure: Psolution=PsolventXsolvent.

What is Antoine equation used for?

Antoine introduced an equation able to predict the vapor pressure of pure liquids (vaporization) and solids (sublimation). It is worth noting that this equation is still widely used today because of its accuracy.

How is pressure related to boiling point?

The boiling point of a liquid is the temperature at which its vapor pressure is equal to the pressure of the gas above it. The normal boiling point of a liquid is the temperature at which its vapor pressure is equal to one atmosphere (760 torr). Microscopic view inside a bubble in boiling water.

What does Triple Point mean?

triple point. In physics, the temperature at which all three phases of matter (solid, liquid, and gas) for a given substance can coexist.

Why does boiling point increase with pressure?

A liquid at high pressure has a higher boiling point than when that liquid is at atmospheric pressure. At that temperature, the vapor pressure of the liquid becomes sufficient to overcome atmospheric pressure and allow bubbles of vapor to form inside the bulk of the liquid.

What is difference between partial pressure and Vapour pressure?

This may look just like Dalton’s law, but there are different pressures involved. The partial pressure of a gas is the pressure exerted by a gas in the volume occupied by a mixture of gases, while the vapor pressure of a gas is the pressure exerted by a gas over its condensed phase.

Does viscosity increase with temperature?

With an increase in temperature, there is typically an increase in the molecular interchange as molecules move faster in higher temperatures. With high temperatures, viscosity increases in gases and decreases in liquids, the drag force will do the same.

Does boiling point increase with temperature?

Boiling point of a liquid increases with increase in temperature pressure.

What is partial pressure water?

The partial pressure of water in the mixture, Pwater, is the equilibrium vapour pressure of water at the temperature specified. At 298 K, from the data at the beginning of the questions section, Pwater = 3.17 kPa.

What is the meaning of boiling point?

Boiling point, temperature at which the pressure exerted by the surroundings upon a liquid is equaled by the pressure exerted by the vapour of the liquid; under this condition, addition of heat results in the transformation of the liquid into its vapour without raising the temperature. Water at its boiling point.

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