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Preferrred fuel equation: PV = nRT | Chemistry | Khan Academy – jj
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Preferrred fuel equation: PV = nRT | Chemistry | Khan Academy



Intuition behind the ideal gas equation: PV=nRT. Created by Sal Khan. Watch the next lesson: …

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  1. around 4 minutes, you said that temperature is the kinetic energy of the moving particles. Well, I want to say that temperature should be considered the velocity of the particles and kinetic energy should be related to the momentum of the particles.

  2. Sir please told me how we can solve the following problem
    A gas mixture consist of two moles of oxygen &4 moles of argon at temp t . Neglecting all vibration modes the total internal energy of the system is what

  3. Guys, does anyone have any idea how to solve the second part of this problem:
    One method used to inflate air bags in cars is to use nitrogen produced chemically

    from the decomposition of sodium azide:

    2NaN3(s) ‡ 2Na(s) + 3N2(g) (1)

    The sodium formed reacts with potassium nitrate to give more nitrogen:

    10Na + 2KNO3(s) ‡ K2O(s) + 5Na2O(s) + N2(g) (2)

    i) In what ratio (by mass) must the sodium azide and potassium nitrate be mixed

    in order that no metallic sodium remains after the reaction?

    ii) Calculate the total mass of the solid mixture needed to inflate a 60 dm3 air bag

    at room temperature and atmospheric pressure.

    Thank you.

  4. Sal, thank you so much for all of your videos. When I go to review or learn a topic I skim through multiple videos and websites. Yours wins best explanation every time. It's logical, to the point, and perfect for my learning style. Not too short or long either. Thank you again!

  5. PRESSURE is measured by the kinetic energy of the particles per volume and temperature is the kinetic energy per mole. Particles pressure can do work by expanding the volume of the container it is in causing the transfer of energy from particles to work via expansion of container. THUS decreasing the particle kinetic energy. SUBSEQUENTLY, lowering temperature if heat isnt constantly added to the system!

  6. I have a problem about ideal gas what exactly they are ? please help me because I can't find this on YouTube when I search it only show the low of ideal gas. but I want to understand what are ideal gas

  7. Sal, you are a lifesaver. I love the fact that you explain every concept from a basic understanding. Each step in your explanation is logical; you don't just jump to another point, which so many teachers do, because they assume students should be able to fill in the gaps.The way you teach actually allows anyone to learn anything. Thanks so much 

  8. I've been searching… I can not seem to find information on specific gasses. Just general information. In a nut shell this is my question. If I put 500ml of liquid (nitrogen or hydrogen or oxygen) in a 40 Cu/ft. gas cylinder and allowed it to warm up to 22.2°C , how much pressure would be in the cylinder? Where can I find the base information to do the calculations?

  9. Actually, we do this stuff in grade 11 and 12 back in Asia n Europe.I studied in indian school which teaches American undergraduate material in high school. Currently, i'm studying American under grad sciences revision. And everything is from my grade 11 n 12.That's the reason in India we go to medical college after high school.We are taught science from class 8. All three science. It's so overloading for student. I hate Indian education. There's even more advance board in India called Icse. I studied CBse.

  10. 谢谢哈!讲得真好!字幕帮了我大忙了。

    O(∩_∩)O

    Thank you!!! Well teaching . And the subtitles below helped me a lot!

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