Chemistry: Boyle's Law (Gas Laws) with 2 example problems

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For a gas, pressure and volume are inversely proportional. If you keep everything else constant, then as the pressure on a gas goes up, its volume goes down. As the volume a gas occupies goes up, its pressure goes down.
Robert Boyle stated the inverse relationship between pressure and volume as a Gas Law. Boyle’s Law says that for a given amount of gas, at fixed temperature, pressure and volume are inversely proportional. P ∝ 1/V. You can write this mathematically as P = k/V
We include two example problems worked in full. If you need more practice for a test, we have a Gas Laws Practice Test available for purchase on our website at www.socratica.com/store (navigate to "digital downloads," or go straight to bookstore.socratica.com/?tags.... This Practice Test has 50 problems (includes true-false, multiple choice, short answer, fill-in-the-blank, & problems worked in full). The test comes with a complete answer key, with explanations.
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LESSON CHAPTERS:
0:00 Definition of Boyle's Law
1:47 Using Boyle's Law to compare two situations (before and after)
2:12 Example 1
3:18 Example 2
4:12 Other gas laws
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Written and Produced by Kimberly Hatch Harrison
About our instructor:
Kimberly Hatch Harrison received degrees in Biology and English Literature from Caltech before working in pharmaceuticals research, developing drugs for autoimmune disorders. She continued her studies in Molecular Biology (focusing on Immunology and Neurobiology) at Princeton University, where she began teaching as a graduate student. Her success in teaching convinced her to leave the glamorous world of biology research and turn to teaching full-time, accepting a position at an exclusive prep school, where she taught biology and chemistry for eight years. Kimberly co-founded Socratica Studios.
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#Chemistry #BoylesLaw #EducationalVideo

[@Socratica]

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[@carolinehopkins1194]

20 seconds into the video I already understood this way more than when my teach explained it over three class periods

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Trevis Schiffer this video took 5 minutes to explain something perfectly understandably, I think these teachers can do better.

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@Trevis Schiffer I agree with you. Even good teachers lose their focus in that pressure.

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Same here

[@Socratica]

*For a gas, pressure and volume are inversely proportional*. *Robert Boyle* stated the inverse relationship between pressure and volume as a Gas Law. *Boyle’s Law* says that for a given amount of gas, at fixed temperature, pressure and volume are inversely proportional. *P ∝ 1/V*. You can write this mathematically as *P = k/V* #LearnMore

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Just words on my text book don’t make sense sometimes I needed a visual of how this works. Thank u so much.

[@TylerLauren.]

Extremely informative! I understand the gas law now!

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Thanks...we really need teachers like these in my school

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why do teacher don't explain this with ilustrative images? I think it will be way simple to understand the law

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Make a more simplified one for children, you are a good narrator with a good script. Swear to god for the first minute I was like, shit this girl is explaining it so good I need to show my kid this!

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We're so glad to hear you found our video helpful! Thanks so much for writing and letting us know. Good luck with your studies!! :)

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I can not even believe it!!! I have been in class for 1 week totaling 3.5 hours and THIS VIDEO summed up in 5 MINUTES what my professor has taken 1 week to poorly explain. College professors teaching in classrooms are a dying breed! WHY do I have to go to class? WHY? It is ONLY so the professors can draw an income. I feel bad for THEM, but they are a waste of time and effort.

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[@alphasiera1757]

i have a question, why cant I just write P/V? so when pressure goes up, volume goes down and vice versa. or something like this ↑P1xV1=P2x↓V2

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OMG finally I get it.....5 different vids later. Thankyou!!!

[@Socratica]

NEW ⬣⬣⬣ GAS LAWS Practice Test ⬣⬣⬣ available here: bit.ly/CHEMTESTS Our practice tests have 50 questions (various styles to improve learning) + a COMPLETE answer key with explanations.

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You quickly went over something here regarding the significant digits in rounding up/down your answer. Could you do a video (if you haven't already) discussing this? In all my years of science learning, I've never had the training on how to deal with measurements and the ± margin of errors and such. My college chem assumed we learned it somewhere. The college physics, well, everything was either 0, 1, π, e, or √2. For example, you weigh an object on a scale with accuracy of ±1gm, and you measure the dimensions of the object (say, a cube) with accuracy of ±1mm. What is the density of the object and what is the accuracy of that calculation?

[@Socratica]

You're in luck! We have made a video about significant digits: bit.ly/Sig_Figs We also did one on scientific notation (another problem area for a lot of people): bit.ly/Sci_Notat Thanks for watching! 💜🦉

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Plzz can you tell charles law factor of 1/273 of its original volume at zero

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You are so welcome! We're so glad when we hear our videos are helpful. 💜🦉

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+cbpsd You are so kind! Thank you so much for watching.:)

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[@Socratica]

We're so glad you found it helpful!! 💜🦉

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Y jo V2 ka answer araha hai wo ksy araha hai or usko kya multiply kr rhy hai y divide plzz btae

[@JaneDoe-uj8gh]

what happens when you increass the temperature or change what should remain constant

[@Socratica]

We have a Gas Laws Practice Test available for purchase on our website at www.socratica.com/store (navigate to "digital downloads," or go straight to bit.ly/CHEMTESTS). This Practice Test has 50 problems (includes true-false, multiple choice, short answer, fill-in-the-blank, & problems worked in full). The test comes with a complete answer key, with explanations.

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We're so glad you found our video helpful!! Thanks for watching! :)

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+Ravindra Avhad You are very welcome! Thank you so much for watching! :)

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this helped a lot

[@Socratica]

We're so glad!!

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How do you know which PV divide to

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how do we know what to round to?

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Why do u divide by 10.6 On both sides?plz explain

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Do a video on Pascal's Law.

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[@Socratica]

That's so great to hear!! We're so glad you found our video helpful. Sometimes it took us three or four different explanations when we were learning chemistry before we really got it. It would be great it you could share our video with your friends - that will really help us grow! :)

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