mavii

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.

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 ...

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 ...

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 ...

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 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

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.

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 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 ...

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/)

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 ...

From Book: Thermodynamics An Engineering Approach 8th edition. Q 4-8: A mass of 5 kg of saturated water vapor at 300 kPa is heated at constant pressure until the temperature reaches 200 C. Calculate the work done by the steam during this process. For more videos Please like this video and subscribe.

Organized by textbook: https://learncheme.com/ Uses vapor pressures at two temperatures and the Clausius-Clapeyron equation to determine the heat of vaporization. Made by faculty at the University of Colorado Boulder, Department of Chemical & Biological Engineering. Check out our Chemistry playlist: https://www.youtube.com/playlist?list ...

Want more Thermo tutorials? My full online course has what you need! You'll learn all the major topics covered in a typical Thermodynamics I course. Check it out here: https://stemcourseprep.com/p/thermodynamics-for-engineering-students Who am I? I'm Cherish! I currently teach Mechanical Engineering at a University but I remember the days of ...

Download these fill-in-the-blank notes here: https://drive.google.com/file/d/1HWUtyn1ajT-H0X69iQ4OmCdQFnQAno-K/view?usp=sharing Thermodynamics Ideal Gas Equation Compressibility Chart Figure A-15 And now you can purchase my Thermodynamics notes completely filled in (184 pages of notes and problems) for $50 here: https://sowl.co/ksG5e

Organized by textbook: https://learncheme.com/ Calculates the quality of a two-phase water mixture in vapor-liquid equilibrium using steam tables. Excel spreadsheet steam tables: https://learncheme.com/wp-content/uploads/2023/12/Steam_Tables_1.23.xlsx Made by faculty at the University of Colorado Boulder Department of Chemical and Biological ...

Organized by textbook: https://learncheme.com/ Determine the outlet compositions and the fraction of liquid and vapor when a high pressure liquid is flashed to lower pressure. The outlet temperature and pressure are given and the vapor-liquid equilibrium is modeled by Raoult's law. Made by faculty at the University of Colorado Boulder ...

This chemistry video tutorial provides a basic introduction into colligative properties such as boiling point elevation, freezing point depression, osmotic pressure, and vapor pressure. It explains how to calculate the boiling point and freezing point of a solution as well as how to calculate the molar mass of a solute using osmotic pressure ...

4.35 A piston-cylinder device initially contains 0.8 m3 of saturated water vapor at 250 kPa. At this stage, the piston is resting on a set of stops, and the mass of the piston is such that a pressure of 300 kPa is required to move it. Heat is now slowly transferred to the steam until the volume doubles. Show the process on P-V diagram with ...

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.

This chemistry video tutorial explains how to solve collecting gas over water problems. You simply have to take into account the vapor pressure of water which varies based on temperature. Gas Laws - Free Formula Sheet: https://www.video-tutor.net/chemistry-formula-sheets.html _______________________________ Pressure & Boiling Point: https://www ...

This chemistry video tutorial explains the concepts behind the phase diagram of CO2 / Carbon Dioxide and the phase diagram of water / H2O. This video contains plenty of examples and practice problems: Boyle's Law Practice Problems: https://www.youtube.com/watch?v=v8r_AU_TlPg How Does a Bike Pump Work? https://www.youtube.com/watch?v=I0b_i6-HLBA ...

Learn more: https://www.metergroup.com/meter_knowledgebase/the-researchers-complete-guide-to-water-potential/ In this video Dr. Colin Campbell explains how to calculate vapor pressure from wet bulb temperature. In this chalk talk, METER Group research scientist, Dr. Colin Campbell, extends his discussion on humidity by discussing how to ...

A video to describe the lab experiment Vapor Pressure and Heat of Vaporization from Vernier Software and Technology.

Dr. Shields explains how to read and understand the information given in a P-T Phase diagram. Important points and phase coexistence lines are discussed. Phase transitions lecture Pt. 3. General Chemistry

How to read ideal and non-ideal Txy and Pxy diagrams to understand liquid vapor equilibrium.

4.20 Figure P4.20 provides steady-state data for water vapor flowing through a piping configuration. At each exit, the volumetric flow rate, pressure, and temperature are equal. Determine the mass flow rate at the inlet and exits, each in kg/s. __________________________________________________________________________________________ Textbooks ...

3.63 A closed, rigid tank filled with water, initially at 20 bar, a quality of 80%, and a volume of 0.5 m3, is cooled until the pressure is 4 bar. Show the process of the water on a sketch of the T–v diagram and evaluate the heat transfer, in kJ ...

Explaining evaporation, vapour pressure and boiling,liquid state of matter with the help of the following points: Evaporation definition, explanation, examples Vapor pressure definition, explanation, examples Boiling definition,explanation, examples How does vapour pressure affect evaporation At the end of this video, you will be able to ...

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

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 ...

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.

This chemistry video tutorial provides a basic introduction into the heating curve of water and the cooling curve of water. As heat is added to water, the temperature increases which increases the kinetic energy of the molecules. At the freezing point of ice, adding heat will not change the temperature but will increase the potential energy of ...

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 ...

Superheated Vapor Table for Water (no interpolation) For interpolation examples, look for the examples of the next lecture video: 7. Interpolating and Quality Derivation: https://youtu.be/uISkuT6Mcxw Example 1: https://youtu.be/VJkyhHQjcuY Example 2: https://youtu.be/fRJUwyxGXQw Example 3: https://youtu.be/OQD9IAqo9xM Main Lecture: 6. T-v ...

Organized by textbook: https://learncheme.com/ Plots partial pressure versus temperature as the temperature of 50% relative humidity air is lowered. Made by faculty at the University of Colorado Boulder Department of Chemical and Biological Engineering. Check out our Thermodynamics playlists: https://www.youtube.com/user/LearnChemE/playlists ...

The state of a gas is defined by several properties including the temperature, pressure, and volume which the gas occupies. Using the volume of the air bubble, the temperature of the water at each data point and the atmospheric pressure, we will determine the vapor pressure of water at each temperature and then the enthalphy of vaporization of ...

Water at room temperature will boil when the surrounding air pressure drops below the vapor pressure. In this case the vapor pressure is about 20 mmHg (20 Torr). Eventually we see the water freeze. This video has been edited. The total time for the water to go from room temperature to freezing was about 90 seconds. The pump was actually running ...

Examples: Rankine Cycle Super-heat Rankine Cycle Reheat Rankine Cycle Please subscribe, like and share if the contents are helpful. Thank You Stay Safe

A rigid tank initially contains 1.4-kg saturated liquid water at 200 C. At this state, 25 percent of the volume is occupied by water and the rest by air. Now heat is supplied to the water until the tank contains saturated vapor only. Determine (a) the volume of the tank, (b) the final temperature and pressure, and (c) the internal energy change ...

From our free online course, “Science & Cooking: From Haute Cuisine to Soft Matter Science (chemistry)”: https://www.edx.org/course/science-cooking-from-haute-cuisine-to-soft-matter-science-chemistry?utm_source=social&utm_medium=partner-marketing&utm_content=youtube-harvardx&utm_campaign=harvardx How do changes in pressure affect boiling ...

The vapour pressure of water at room temperature is lowered by `5%` by dissolving a solute in it , then the approximately molality of solution is :

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.

Property tables for pure substances. Water and refrigerant Compressed Liquid. Subcooled liquid. Saturated Liquid Saturated Liquid - Vapor Mixture Superheated Vapor 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