Molar Gas Volume: Stoichiometry With Gases

[@natecaranguian5917]

How i missed you chemistry Jesus

[@vidhyakshethra7965]

Well explained by Professor Dave. These basic concepts have been presented very well. Its very easy to grasp these concepts after watching this video.

[@Ann-bd8jn]

I am so glad my teacher uses your videos when teaching us.

[@justafish5559]

me too

[@raanoooshh9296]

I can never get enough of your introduction and say the least your lectures. You're amazing! /Pharmacy student in Sweden

[@bartonpaullevenson3427]

In addition to the molar mass, you've got the density.

[@Simon-qk7po]

The like to dislike ratio is undefined.

[@sniperammow4865]

This never made sense to me, there here gasses heavier then air and others lighter then air, how can they all have the same formula and constants?

[@dude9864]

Could Oxygen not be the unknown gas? It has an amu of 16 too

[@ProfessorDaveExplains]

oxygen is O2, weighs 32

[@dude9864]

@@ProfessorDaveExplains its true, i forgot this! Thank you Dave

[@brandonsaquariumsandterrar8985]

Chemistry John Wick has helped again

[@jagdevsinghseasychemistryc5876]

sir you have said that ... at stp .. pressure is 1 bar ... bt you are taking 1 atm . while calculating volume of gas from ideal gas equations

[@justafish5559]

it's not 1 bar at stp. it's 1 atm

[@ishraqalishah2121]

Sir why molar volume is same for different gases?

[@ProfessorDaveExplains]

Because their identity is irrelevant, given the assumptions of kinetic molecular theory.

[@ishraqalishah2121]

@@ProfessorDaveExplains sir in our text book there’s a statement that the distance between particles of gases is 300 times greater than their diameters so thier sizes and masses do not affect their volume.I’m confused

[@ProfessorDaveExplains]

Correct, the volume of the particles themselves is negligible under KMT. This ends up being a reasonable assumption at relatively high temperatures and relatively low pressures.

[@Lulu-uw1mj]

I am so confused by the Molar volume of gases calculations. Like getting from mass to moles to litres :(((

[@Romanreigns-xt8gn]

nice

[@meriamdz5868]

Thanks

[@StephenSam-uh3qr]

I can't find stepwise reaction

[@aniawo5119]

Thank you ❤

[@fluffymr]

SUPER healthy 💕

[@sann_117]

He knows a lot about the science talks , professor dave explains!

[@begmuhammethajyyew]

used to think it was 'he knows a lot about the science and stuff' not having good listening skills hurts😢

[@Romanreigns-xt8gn]

l have two gas 1 hydrogen 2 oxygen suppose l filled equal volume of both two gases in a balloon keeping temperature and pressure at constant .... here outer pressure is 1kp .....and both have same kinetic energy Now oxygen has more mass than hydrogen then oxygen should apply more pressure on container if it happens then how both two has have same volume Mr. dave please help me

[@ProfessorDaveExplains]

pressure is not dependent on the identity of the gas, all ideal gases are treated the same regardless of what the gas is

[@Romanreigns-xt8gn]

Mr. dave l am not talking how they treated but l want to know exactly For a few minute only forget all the law of boyle, avagadro etc. Imagine in your mind Two balloon one with hydrogen and second with oxygen Particle of both have same kinetic energy and outer pressures is same so internal pressure must be same but oxygen have more mass than hydrogen so this balloon should have more pressure then how volume is same l want to talk face to face then you understand what's my problem is Mr. dave please do something for this problem

[@ProfessorDaveExplains]

because they have more mass they have more inertia and therefore a lower average velocity.

[@Romanreigns-xt8gn]

@@ProfessorDaveExplains but both have same kinetic energy

[@ProfessorDaveExplains]

yes, well average KE anyway, which depends on both mass and velocity. higher mass but lower velocity can result in the same kinetic energy.

[@kentowakai1234]

thank you

[@khanlala7741]

Sir what if the temperature pressure is not standard and we have to find volume according to it

[@justafish5559]

then i assume your prof/teacher gave you enough information to fill out the whole ideal gas law (nRT=PV)

[@WalayatFamily]

Jesus does Science

[@hsonia3983]

But the book says 24 dm3 or 24 L im lost... :( V=molesx24

[@ProfessorDaveExplains]

Those are equivalent.

[@hsonia3983]

@@ProfessorDaveExplains Thank you for yoy reply! :) Where I am lost is, in the video, you mentioned 1 mole of gas occupies 22.4 L, textbooks mention 24 L.

[@ProfessorDaveExplains]

Hmm, no it's definitely 22.4 L at STP. Give it a google. Your book is either wrong or using different units or conditions.

[@hsonia3983]

Ohhhhh I've got it now!!! Sorry my misunderstanding.. STP 22.4 L and RTP 24 L. Again, thanks so much!! :)