Vapor Pressure

Vapor Pressure. Vaporization - change from liquid to gas at boiling point.Evaporation - change from liquid to gas below boiling pointHeat of Vaporization(DHvap ): the energy required to vaporize 1 mol at 1 atm. (Aka: Enthalpy of Vaporiz.) . . . . . . . . . . . Vaporization is an endothermic proces

640 views • 20 slides

Vapor Pressure Colligative Properties

513 views • 36 slides

VAPOR PRESSURE OF WATER

Experiment #2. VAPOR PRESSURE OF WATER. What are we doing in this experiment?. Determine the vapor pressure of water at different temperatures. . 2. Determine the heat of vaporization of water. Review of Gas laws. Boyle’s Law:. Charle’s Law:. Avogadros’s Law:. IDEAL GAS LAW.

813 views • 28 slides

Evaporation, Vapor Pressure, and Intermolecular Forces

Evaporation, Vapor Pressure, and Intermolecular Forces. John D. Bookstaver St. Charles Community College Cottleville, MO. Vapor Pressure. At any temperature some molecules in a liquid have enough energy to escape.

1.76k views • 37 slides

Vapor Pressure

Vapor Pressure. Number of Molecules. cool liquid. Temperature (speed). boiling point. Kinetic-Molecular Model. Thermometers only measure average speed. In any sample of a liquid there will be some faster, hotter molecules and some slower, colder ones.

446 views • 11 slides

I. The Vapor Pressure of Solutions

I. The Vapor Pressure of Solutions. Solution vapor pressures differ from pure liquid vapor pressures Solutes lower the vapor pressure by occupying surface positions Raoult’s Law : P soln = c solvent P 0 solvent Solution vapor pressure is a fraction of the pure vapor pressure

857 views • 10 slides

Raoult’s Law – Vapor Pressure Lowering:

Raoult’s Law – Vapor Pressure Lowering:. For a mixture of two substances Raoult’s Law tells us that

1.97k views • 17 slides

Vapor Pressure

Vapor Pressure. William Henry. Francois Marie Raoult. Henry’s Law. The concentration of a dissolved gas in a solution is directly proportional to the pressure of the gas above the solution.

383 views • 7 slides

Vapor Pressure

Pressure exerted by a vapor in equilibrium with its liquid or solid phase. Vapor Pressure. Vapor Pressure. At any temperature, some molecules in a liquid have enough energy to escape. As the temperature rises, the fraction of molecules that have enough energy to escape increases.

438 views • 12 slides

Understanding Table H and Vapor Pressure

Understanding Table H and Vapor Pressure. Take out your reference tables now. In a closed system , at a steady temperature a dynamic equilibrium is reached. This is when the evaporation rate equals the condensation rate. This is only possible in a closed system. Corked top.

559 views • 19 slides

Vapor Pressure of Solutions

Vapor Pressure of Solutions. Chapter 13 Part 3. Vapor Pressure. The pressure of the vapor present. Vapor is the liquid molecule in gas form over the liquid surface. Remove the liquid and you have a gas!. Vapor Pressure of Solutions.

530 views • 22 slides

Liquids & Vapor Pressure

Liquids & Vapor Pressure. Vapor. Gas phase of substance that is normally liquid at room temperature Some evaporation occurs at all temperatures The easier a substance evaporates, the weaker the IMF. Fig a: open system Evaporation continues until all liquid is gone

331 views • 19 slides

vapor pressure

vapor pressure. 1.8 증기압 (vapor pressure) 증발은 액체표면으로부터 분자가 이탈하기 때문에 일어난다 . 증발된 증기분자는 액체표면 상부공간 속에서 분압을 형성한다 .

503 views • 8 slides

Vapor Pressure

Vapor Pressure. And Boiling Points. Mr. Shields Regents Chemistry U07 L02. Origins of Vapor Pressure. Recall, from our prior discussion of gases the following: 1) Pressure is the result of the frequent collisions of molecules with the walls of the container

1.63k views • 26 slides

Precipitation Definitions: Vapor pressure

Precipitation Definitions: Vapor pressure - through motion and collisions every gas exerts pressure, called a partial pressure - - - saturation vapor pressure (e sat ) is the maximum vapor pressure that is thermodynamically stable and is related solely to temperature:.

573 views • 30 slides

Vapor Pressure

By: Christine Bontempi Emily DeAngelis. Vapor Pressure. Vapor Pressure. Vapor Pressure- the pressure exerted by a vapor in equilibrium with its liquid or solid phase. Explaining Vapor Pressure on the Molecular Level.

527 views • 12 slides

Vapor Pressure and Changes of State

Vapor Pressure and Changes of State. Heat of vaporization. Enthalpy of vaporization energy required to vaporize 1 mole of a liquid at a pressure of 1 atm H vap. Vapor pressure -in closed container. Vapor molecules reform to a liquid condensation

687 views • 52 slides

Air Pressure, Vapor Pressure, & Boiling

Air Pressure, Vapor Pressure, & Boiling. What is Air Pressure?. It is the Force of all the air molecules around an object pushing on that object. More air molecules equals more air pressure. What is Vapor Pressure?. It is the Force of the escaping Liquid molecules during vaporization.

347 views • 20 slides

Vapor Pressure and Boiling

Vapor Pressure and Boiling. Vapor Pressure – the pressure exerted by a vapor in equilibrium with its liquid state. Liquid molecules at the surface escape into the gas phase. These gas particles create pressure above the liquid in a closed container. .

347 views • 6 slides

The effect of applied pressure on vapor pressure

The effect of applied pressure on vapor pressure. The location of phase boundaries. Pressure and temperature at which two phases can coexist. There is a relation between dp and dT that ensures that the system remains in equilibrium as either variable is changed. Relation between dp and dT.

432 views • 20 slides

Vapor Pressure

Vapor Pressure. •Vapor Pressure, pv = f (T) •Boiling is initiated when the absolute pressure in the fluid reaches the vapor pressure •B.P decreases with elevation

1.05k views • 20 slides

The vapor pressure of solutions

The vapor pressure of solutions. The presence of a nonvolatile solute inhibits the escape of solvent molecules from the liquid and so lowers the vapor pressure of the solvent. Raoult’s Law. The presence of a nonvolatile solute lowers the vapor pressure of a solvent.

184 views • 16 slides