How to Use the Ideal Gas Law in Two Easy Steps
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- Опубликовано: 22 янв 2018
- I’ll teach you my super easy tricks to make sure you always get the correct answer! I explain the ideal gas law using a step by step practice problem, that you may see on your exam. Hint Hint! This is the most important and frequently used gas law in Chemistry, so definitely know this one!
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She deserves SOOO much more views and subscribers
Aww thank you Mary 💕
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Why ideal gas are applicable for only to dry gas not moist gas?
Great video. While I have a doctorate I still dream that I am high school. I am always learning, so can't wait to watch more of your videos.
Loved the video format! So fun! I’m not here yet in my chem class but when I get here I have this to refer back to :)
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I needed Help with the ideal gas law and this helped so much thank you 😌
I really enjoy your channel, Melissa! Thank you so much for sharing your knowledge. It would be great if you created a High School Chemistry playlist!
your videos have gotten a lot better over the years, thank you for your time!
You are a blessing I sware! Thank you so much! I am struggling with this chapter. Now, all I need to do is more practice. Wish I would've found you before this semester started with Chemistry 1.
Aww thank you Lisa! If you need more practice I have a few videos on gas laws, here are the links:
Gas Laws and Gas Stoichiometry: ruclips.net/video/SXrbPXt4-8g/видео.html
Partial Pressure: ruclips.net/video/oRlrQWNB98U/видео.html
Finding the Mole Fraction of a Gas: ruclips.net/video/tGiRbGGwRj8/видео.html
Also if you have a specific question that you need help with, feel free to submit your question
here melissa.help/me and I will make a dedicated video explaining your question, it's part of my new video series (tutor hotline).
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Everything organized and easy to understand. Love it. Thank you, I have a quiz today
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Miss Melissa, thank you for the content. Between your channel and my great professor, I am really surprised to how much I’m learning and retaining.
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Hey Melissa! I absolutely love ALL of you videos. They are super helpful, however, I have a question. What would I do if I were to calculate a volume in milliliters, starting with a given that starts in milliliters?
Thanks!
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How did you know to round the temp in Kelvin to the nearest whole number? and how did you know how many sig. figures to use for atm? Thank you.
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Why ideal gas are applicable for only to dry gas not moist gas?
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It didnt go well but that was my fault for not have studied days before and watched your video to help me
How’d you get 15.1019? Somehow I got 15.1094, I did the same thing as you but I got a different number from the calculator, but I got V=16.1L, which is that same thing that you got
Could you please do a video on Hess' law and the Born-Haber cycles?
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grt explanation 🤩bt we hv to use Nm^-2 for P , m^3 for V & JK^-1mol^-1 as units😕
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Can you please help me understand the difference between the average oxidation number of an atom in a compound, vs the oxidation number of each atom?
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UN known gas with a temperature of 25 c pressure 740 mm Hg is collected sampling bag the volume is 24 litter and 34.9 gram which chemical formula could present the gas ? please help with this one
Can you do a video of the other gas laws?
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Melissa Maribel most welcome😄
what if you need to find out what he pressure is not the volume
can you make a video of combined gas laws
Have you done a video on how to combine gas law and Charles’s law?
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I’m kinda confused. So what’s the point of the Latm/molK. Is that just not necessary in our equation and we only use the 0.0821?
The point is to always make sure the units match the gas constant. You still have to show the units Latm/molK, this helps you figure out if you did the problem correctly since the units will cancel out and give you the unit in which you are looking for. If the units don’t cancel then that’s your clue that something is off. It’s really a way to check yourself.
@@melissamaribel oh okay, thanks!
To find the volume could you just multiply the moles you have with 22.41L/1 mol and wouldn’t that be the answer for volume?
If you were only given the moles then yes but if you are given the pressure, moles and temperature then you have to use the ideal gas law.
When we have ML in a problem, do we have to convert it?
Yes, your units must always match your gas constant (R).
I plugged in (0.556)(0.0821)(331) and it equaled 15.1093... what did I do wrong?
Can you do a video for partial pressure?
Working on it but for now I recommend this video: ruclips.net/video/XC1txxuEKhg/видео.html
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Why ideal gas are applicable for only to dry gas not moist gas?
shouldnt volume be litres cubed
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where did u get 273 from???
1 Kelvin is equal to -273.15 degrees and formula for conversion from Degrees to Kelvin is (K= degrees + 273.15)
when she was converting to the proper units how did she get 273
To convert Celsius to Kelvin you have to add by 273. So if we had 0 degrees Celsius we would simply add 273 to convert to kelvin
Melissa Maribel ohhhh thanks
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Huh? Why did you add 273 to the 58 degrees Celsius to get 331 k you didn’t explain why
It’s how you convert Celsius to kelvin which you always have to do for gas laws
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