Chem162 Writing Equilibrium Constant Expressions: Heterogeneous Equilibrium 14.2

[@mahigupta8505]

U seems me very sick maybe its another reason for the chanel's death anyways at this video helped me

[@ΧρυσοβαλαντηςΤασιοπουλος]

Solids and liquits ,have concentration equals to unity because all the mass contained in space volume C=n/V if n=V ==>C=1

[@aro6223]

So why did you stop

[@KINGOBA-me4you]

Thanks 😘😊😊

[@anjanibhatt9953]

You are awesome..you cleared all my queries...nice way of teaching🙌❤

[@elite7585]

what if there is an aqueous phase (aq) and liquid phase (l) in the same equation ? is that homogeneous or heterogeneous equilibria?

[@missfourteen1937]

Homogeneous

[@jeydeyh]

hetero

[@AsilbekZokirov-s3z]

Thanks very much

[@user-yw1pk7fo3t]

Very use fully video thank you 😊

[@dalitsomutamba9366]

Thank you very much 💕✨📌

[@coryb8796]

with solids and liquids why wouldn't we be able to use the density? (g/mL) x (mol/g )= mol/mL. Or is concentration one of those measurements that by definition requires an ability to change volume and/or # of moles

[@lhasaapso1098]

In solids and liquids the volume and mass for 1 mole is already fixed , example 1 mole of carbon will have same mass and same volume irrespective of any other factors. In aqueous you know already that the water dilutes the material and the materials volume, example 1 mole of carbon covers a vol of x cubic meter and has molar mass 6g , now diluting it in water such that the volume becomes 2x , then even though the molar mass will remain constant for carbon, the volume changes, you might get complicated numbers on increase in volume which you might have to calculate. In case of gases, the molar mass also remains same but gases have a variable volume depending on the type of container you put it in. Now why so? It says 22.7 litres of a gas has 1 mole in it at a standard temperature, it is basically means that 22.7 litres of gas is the smallest volume where the gas can adjust 1 mole of molecules in itself and attain it's gaseous state, now if you take 100 litre container and pour 22.7 litre of a gas in it then the gas will take the volume of the container, so 1 mole of gas can take a large space, more than 22.7 litre, but now if we compress the volume to 22.6 litre the gas starts changing to a liquid state because it is getting that pressure, and with 1 mole molecules and less than 22.7 litres makes it change into a liquid.

[@MariamGeorgeMosaadElmalh]

Thank you so much😘

[@naitik7784]

Thnk for the video...

[@maopambwe2775]

This has cleared up my errors..thank you very much 🙏

[@technicalsaksham5224]

i luv u

[@DilpreetSingh-mk7mr]

Awesome

[@pashtuncanadian]

Great Video

[@NarutoUzumaki01110]

Helpful

[@Flash-yi9tt]

Studing 3days before my exam. Had a doubt, thanks for clearing.

[@elite7585]

what if there is an aqueous phase (aq) and liquid phase (l) ? is that homogeneous or heterogeneous equilibria?

[@Flash-yi9tt]

My Chem exam is over. Anyways its simple. While writing Kc, don't write concentration of Solids and Liquids . Only Gases and Aqueous solution is taken..

[@elite7585]

@@Flash-yi9tt thanks but my question was if both aqueous and liquid phase are given in an equation. is it homogeneous or heterogeneous equilibria?

[@Flash-yi9tt]

@@elite7585 bro read Homo and hetero definition. One phase-homo Multiple phase-Hetero. What do you think Liquids and aqueous are same?? Think it your self..

[@elite7585]

@@Flash-yi9tt yeah i know the definition. but aren't liquid and aqueous phases different? so it needs to be hetero. am i right?

[@pokiwii]

Hi! what does Kc mean?

[@AHSWALI]

+Ellen Bui Kc is the equilibrium constant for a reaction where the value of Kc is calculated using the equilibrium concentrations of the products and reactants.

[@NarutoUzumaki01110]

Equilibrium constant for this reaction concentration

[@technicalsaksham5224]

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[@saiiasjai1104]

Nice . This is very useful to me Thanks

[@mohamedmousa8128]

Do you mean all liquids we cant write it in kc or u mean water only

[@Bluuuueee]

Pure liquids (not only water) cannot be regarded to have a concentration. Only solutions (substances solved in a solvent) can have a specific concentration. In addition to this gases can also have a concentration. To conclude: Only solutions and gases can have concentrations and can therefore be used to describe the equilibrium constant K.

[@mohamedmousa8128]

Sidh thank u

[@killwithvjbros3893]

How does the Kc= [CO2] came

[@abrahamgetachew5898]

oow thank you alot

[@syedzamanmehdi2855]

Thanks