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Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/science/chemistry/states-of-matter-and-intermolecular-forces/states-of-matter/v/vapor-pressure Vapor pressure, volatility, and evaporation. Watch the next lesson: https://www.khanacademy.org/science/chemistry/states-of ...

The molecules leaving a liquid through evaporation create an upward pressure as they collide with air molecules. This upward push is called the vapor pressure. Different substances have different vapor pressures and therefore different boiling points. This is due to differing intermolecular forces between molecules. The vapor pressure of a ...

A video about the phenomenon of boiling for the Khan Academy talent search contest, July 2016. Images: Image of Earth from Space (1:12): https://commons.wikimedia.org/wiki/Atmosphere#/media/File:Atmo_camadas.svg Layers of Atmosphere (1:21): https://www.grc.nasa.gov/www/k-12/airplane/Images/atmosphere.jpg Mount Everest (2:05): https://commons ...

A brief discussion of issues related to vapor pressure, equilibrium vapor pressure and relative humidity. This video was created for Penn State's Meteo 003 course (https://www.e-education.psu.edu/meteo003/) with the assistance of Steve Seman and the John A. Dutton e-Education Institute (https://www.e-education.psu.edu/)

vapor pressure explained. understanding vapor pressure. This video explains vapor pressure and boiling. Vapor pressure or vapour pressure or equilibrium vapor pressure is defined as the pressure exerted by a vapor in thermodynamic equilibrium with its condensed phases (solid or liquid) at a given temperature in a closed system. The equilibrium ...

Makes Boiling Point, Vapor Pressure, and what they have to do with each other super clear and easy to understand. Definitely also watch "Simplest Way To Understand Boiling Point Elevation & Vapor Pressure Depression" for further understanding of Colligative Properties: https://youtu.be/7L6sWmHDCjM Want some FREE downloadable notes with more in ...

This week we continue to spend quality time with gases, more deeply investigating some principles regarding pressure - including John Dalton's Law of Partial Pressures, vapor pressure - and demonstrating the method for collecting gas over water. Pssst... we made flashcards to help you review the content in this episode! Find them on the free ...

This chemistry video tutorial provides a basic introduction into vapor pressure. Vapor pressure is the partial pressure at which a substance's rate of evaporation is equal to the rate of condensation. You calculate the vapor pressure and normal boiling point of a substance using the clausius clapeyron equation. The normal boiling point is the ...

How To Calculate vapor pressure relative humidity specific humidity and air density #VaporPressure #RelativeHumidity #SpecificHumidity #AirDensity Example: At a climate station the air pressure is measured as 100 kPa, air temperature as 20 °C and the dew-point temperature as 16 °C. Calculate the corresponding vapor pressure, relative humidity ...

A physical description of the process of evaporation and its consequences. Develop an understanding of the how and why of evaporation. Once you understand evaporation, you have all you need to understand vapor pressure and how boiling is just a specific vapor pressure. 0:24 Stability of Phases 1:22 Evaporation 5:14 Vapor Pressure 7:35 Boiling

This physics video tutorial explains the concept of relative humidity and the dew point. It discusses the difference between the vapor pressure and the partial pressure and how to use it to calculate the relative humidity and to determine the temperature of the dew point. Translational Kinetic Energy: https://www.youtube.com/watch?v=bg5d5BFANVU ...

This chemistry video tutorial provides a basic introduction into Raoult's law which says that the vapor pressure of a solution is the product of the mole fraction of the solvent and the partial pressure of the pure solvent at a given temperature. This video explains how to calculate the vapor pressure of a solution with a nonvolatile solute. It ...

https://www.thechemsolution.com This tutorial covers Raoult's Law and includes examples of how to calculate the vapor pressure of a liquid upon the addition of a nonvolatile solute.

This chemistry video tutorial provides a basic introduction to pressure. Pressure is defined as force per unit area. 1 Pascal equals 1 Newton of Force per square meter of area. This tutorial gives you an example of calculating the pressure exerted by a book on the table using the weight force of the book and its cross sectional area. This ...

Tutorial on concepts of humidity, including depoint, saturation, vapor pressure, and relative humidity.

The pressure of gas above a liquid affects the boiling point. In an open system this is called atmospheric pressure. The greater the pressure, the more energy required for liquids to boil, and the higher the boiling point. Higher Pressure = More Energy Required to Boil = Higher Boiling Point In an open system this can be visualized as air ...

This physics video tutorial provides a basic introduction into atmospheric pressure. it explains how to calculate the force exerted by the atmospheric over a given surface area. It discusses how to calculate the pressure exerted by the air and how to calculate the mass of air in a vertical column. It contains plenty of practice problems for you ...

Atmospheric pressure plays an essential role in respiration and the function of many devices, including water pumps, syringes and drinking straws. The video explains pascals and psi and includes a demonstration revealing the presence of atmospheric pressure.

Need the vapor pressure of a mixture of two substances? Use Raoult's Law! Raoult's Law: Total Vapor Pressure = SUM of ( Vapor pressure of pure substance TIMES mole fraction of that substance). Check me out: http://www.chemistnate.com

This chemistry video tutorial provides 4 different forms of the clausius clapeyron equation / formula that will help you find the temperature, vapor pressure, and the enthalpy or heat of vaporization. So whether you're finding or solving for temperature, you came to the right place. This video contains plenty of examples and practice problems ...

The specific humidity of atmospheric air at 25℃ DBT and barometric pressure of 760 mm of Hg is 0.016 kg/kg of dry air. Determine the following without using Psychrometry chart. i) partial pressure of water vapour. (MU-May 2019, 8M) ii) Relative humidity iii) Dew point temperature iv) Specific enthalpy v) specific volume

This physics video tutorial provides a basic introduction into absolute pressure and gauge pressure. The gauge pressure is the difference between the absolute pressure and the atmospheric pressure. A positive gauge pressure means the absolute pressure is above the atmospheric pressure. A negative gauge pressure means the absolute pressure is ...

MEC516/BME516 Chapter 1, Part 3: A discussion of vapor pressure and cavitation. The damage to equipment caused by cavitation bubbles is also briefly discussed. A copy (pdf) of this presentation can be downloaded at http://www.drdavidnaylor.net Course Textbook: F.M. White and H. Xue, Fluid Mechanics, 9th Edition, McGraw-Hill, New York, 2021. # ...

Watch as Dr. Dry and Mollie unveil the secrets of water vapor in air - specifically about vapor pressure. Vapor Pressure is one of the absolute measurements of moisture in air - meaning it doesn't change with the temperature of the air, say like Relative Humidity does.

The Video explains Vapor density and to make sense of it. It also explains a simple derivation of formula: VD=MWx2.

Download these fill-in-the-blank notes here: https://drive.google.com/file/d/1HWUtyn1ajT-H0X69iQ4OmCdQFnQAno-K/view?usp=sharing Change in pressure due to depth. Fluid manometer height. And now you can purchase my Thermodynamics notes completely filled in (184 pages of notes and problems) for $50 here: https://sowl.co/ksG5e

Download these fill-in-the-blank notes here: https://drive.google.com/file/d/1HWUtyn1ajT-H0X69iQ4OmCdQFnQAno-K/view?usp=sharing Calculating quality And now you can purchase my Thermodynamics notes completely filled in (184 pages of notes and problems) for $50 here: https://sowl.co/ksG5e

This video introduces Earth's atmosphere and it's composition & structure. We discuss the layers of our atmosphere, relative & absolute humidity, pressure, and the lapse rate. The atmosphere of Earth is the layer of gases, commonly known as air, retained by Earth's gravity, surrounding the planet Earth and forming its planetary atmosphere. The ...

This video focuses on how to analyze vapor pressure curves. Here we learn the formal definition of vapor pressure, and how to use it as a differentiating characteristic for separation. Also, we discuss the boiling points and learn how to compare the strengths of intermolecular forces and potential energies for different substances.

View full lesson: http://ed.ted.com/lessons/the-history-of-the-barometer-and-how-it-works-asaf-bar-yosef A barometer is an instrument that measures air pressure, allowing weather forecasters and scientists to better predict extreme weather events. Despite its incredible usefulness, inventing the barometer was no walk in the park. Asaf Bar-Yosef ...

This video covers: - Which gases make up our atmosphere - Why atmosphere pressure decreases with increasing altitude - Why it is difficult to breathe at high altitudes General info: - Suitable for all GCSE courses - See below for whether it is higher or foundation tier for your exam board - See below for whether it is triple or combined for ...

Although you can't see it, atmospheric pressure has a huge influence on our weather. In this video you can find out how the force exerted by the weight of air above us, affects the weather we experience. You can find more information on how high and low pressure systems affect weather on the Met Office website: https://www.youtube.com/channel ...

14.69 An air conditioning system operates at a total pressure of 1 atm and consists of a heating section and a humidifier that supplies wet steam (saturated water vapour) at 100°C. Air enters the heating section at 10°C and 70 percent relative humidity at a rate of 35 m3/min, and it leaves the humidifying section at 20°C and 60 percent ...

Fluid Mechanics Lesson Series - Lesson 01E: Vapor Pressure and Viscosity In this 12-minute video, Professor Cimbala discusses two fluid properties: Vapor pressure and viscosity. When local fluid pressure dips below the fluid's vapor pressure, a phenomenon called cavitation is likely to occur. This is where the fluid "boils" locally, causing ...

Visit http://ilectureonline.com for more math and science lectures! In this video I will explain and show you how to calculate the relative humidity and vapor pressure of water at various temperatures.

Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now! https://www.khanacademy.org/science/ap-chemistry-beta/x2eef969c74e0d802:intermolecular-forces-and-properties/x2eef969c74e0d802:intermolecular-forces/v/intermolecular-forces-and-vapor-pressure Some properties of liquids, such as boiling point and ...

Organized by textbook: https://learncheme.com/ Uses Antoine's equation, which relates saturation pressure to temperature, to determine the heat of vaporization using the Clausius-Clapeyron equation. Made by faculty at the University of Colorado Boulder Department of Chemical and Biological Engineering. Check out our Thermodynamics playlists ...

Cold water about 23 degree Celsius water is placed in a vacuum chamber and boils when the pressure in the chamber approximates the vapor pressure. I placed a thermometer inside the chamber and observed a decrease in temperature as it boils.

In this video I talk about the pressure and volume changes that happen during one cycle of breathing. I hope it helps! ☀️ 🌟What's in this video? 0:00 - Intro 0:05 - Understanding the breathing cycle 2:53 - Rest 3:36 - Inspiration 4:30 - Expiration Other videos you may need: 🔅Lung Volumes and Capacities: https://youtu.be/BP-uPD92DMk ...

In this video working principle of vapour compression cycle is explained.

Dry Air Partial Pressure: 0:24 Relative Humidity: 0:45 Dew Point Temperature: 1:44 Mass of Vapor: 3:04 Humidity Ratio: 5:48 Calculating basic properties for moist air: partial pressure, relative humidity, dewpoint temperature.

In this video we will learn about the detailed working procedure of a vapor absorption refrigeration system by proper discussion of its components and functions. Watch till the end. Refrigeration and Coooling Full Playlist 👉 https://bit.ly/35frZVU Be With Us While We Grow. Click here and Subscribe (It's Free 🙂👉 ) : http://bit.ly/2WyP4L1

In this video we will learn the detailed working process of Vapor Compression Refrigeration System, by properly understanding the functions of different components easily. Refrigeration and Coooling Full Playlist 👉 https://bit.ly/35frZVU Be With Us While We Grow. Click here and Subscribe (It's Free 🙂👉 ) : http://bit.ly/2WyP4L1

The refrigeration cycle is a thermodynamic process that is used in refrigeration and air conditioning systems to transfer heat from a low-temperature region (typically the conditioned space) to a high-temperature region (typically the surroundings). The purpose of the refrigeration cycle is to maintain a lower temperature in a controlled ...

Howden's Mecahnical Vapor Recompression mission …to be the World’s Leading Applications Engineer for Vapor Compressors. Learn more - https://www.howden.com/en-us/applications/mechanical-vapour-recompression-mvr Howden understands the unique process, aerodynamic, mechanical, and operations requirements of MVR applications, which differ from ...

Here's how the Evaporative emissions system work on a modern automobile. The purpose of the EVAP system is to control the release of gasoline vapors entering the atmosphere, causing smog. It is a self-governing, mandated system that vents most harmful vapors into an external charcoal canister for refinement. The system consists of several ...