Clausius Clapeyron Equation Examples and Practice Problems 

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Someone that finally tells me how to use the equations instead of the theory behind it

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Thank you so much. I kept seeing different formulas and never understood why it changes, I was so confused. You are the only one that explained this!

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Thanks

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Good explanation

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Thank you, but how do we calculate for T1 if we only had the pressure and the enthalpy of vaporization?

Thank you so much

Hi, I just wondering how did you get p2= p1.e^(-dh/R).(1/t2-1/t1)? if ln(p2/p1) = lnp2- lnp1. how is it possible when P1 changed the side has multiplied by e^(-dH/R).(1/t2-17t1)? . Thanks very much Sir.

you are a ver help! thanks for the T2 clearance :)

Thank you.

You’re the best!!!

I tried to solve for T2 a bunch myself...and failed. It's been 30 years since I had to do this. Lots of searching for this came up empty. Thank you.

Same method of calculating though we are using the R constant as 8.314 giving me a final answer of 22

Thank you soooooo much!!!

How did you get the -2.9737 from dividing this? I am confusion.

Why is R negative when solving for enthalpy of vap? When I convert the original equation I have a positive R

Thanks!!

Nice video dude

Thank you

I have a question. If the pressure given in pascal, do we have to change to torr?

so helpful!!

Thanks🤩🤩

So helpful ! Whats the tutor`s name please?

very helpful so I like it

Here in the equation, we have an enthalpy of vapourisation and we have two state 1 and 2. So which latent heat should we need to consider state 1 enthaply or state 2 enthalpy. Please help me in this doubt.

I got 20.3 torr for the question. How did you get 28.6 torr?

So question... How to know whether to use the very first (base equation) and when to use the other equation to find another pressure. The questions look the same when I looked it up.

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🙌🏾🙌🏾🙌🏾 respect

How can I solve for boiling points at different pressures?

So when using the equation to find P2, the exponents to "e" are all divided by R? He found T2-T1, then multiplied by 24000 (Hvap), THEN divided by R. However, the equation was written as Hvap/R * (1/T2-1/T1)... Our tutor found 1/T2-1/T1, multiplied by Hvap, then divided by R, which would be (Hvap*(1/T2-1/T1)) / R as the exponent to e ... if someone can clarify that would be super helpful! Thx!

What of the case that we have the formula as InP=-∆H(1/T)/R + C for graphical function

Can pressures also be taken as atmospheric pressures?

The molar heat of vapourisation of water is 9700cal/mol, what's the vapour pressure of 5 moles of water at 90°C (given that vapour pressure of 1 mole of water at 100°C is 78mmHg and the gas constant is 1.987cal/mol. Someone should please help with this question.

Is there a equivalent formula that describes the transition in between liquid to supercritical states?

How did you get from [3.7026x10^3]^-1 to 270K?

you are clutch

Isn't the enthalpy of vaporization changes depending on the temperature? How come there is just one value of enthalpy of vaporization between two different temperatures?

How do you raise it the negative 1 power to get kelvin? Im working with a Ti-30xa Calulator.

Thanks....

How do you determine which pressure is either P1 or P2?

nice

Wrong R value for the first problem? We are using torr so shouldn't R = 62.36 L*torr / (K*mol)

R is multiplied by 2.303 or is it?

3:06

What is e?

como se pone en la calculadora para que salga 3.70263x10ex-3 y tambbien 270.1k

Is the same equation all the time... Why you called different forms of the equation?

I keep getting 15.40 torr.

at 6:50 how did you determine the e value?

I dont understand how you got 1/310= 3.2*10^-3? I got 0.003225

Can some one explain to me how i got 21.66 torr instead of 28.6 at 7:03

Hi I've watched your videos and I've a question. I've examination in physics about a vacuum boiling water experiment by manipulating the pressure to a low point so the water in the bowl starts boiling at a low temperature. I've tryed to find some table or calculator that can somehow demonstrate that the result I've found is close to what we can see in tables eg. Are there any calculators (tryed to find some but they didn't work) or law that I can refer to? I hope that you can help? Best regards Mowaddat

1 kJ is "about" 1000 J? ABOUT???

Is this still high school level or undergrad?

Isn’t it p1/p2

It'd have been smarter to show the passages from the first formula to the others, and not giving all the formulas like they are different. What's the sense of learning all of them, you just need the first and you need to know how to reverse it. but yeah, just my opinion

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Wait I still don't understand...

Wait a minute what is C

holy shit I hate chemistry

Really thought the R was the gas constant. Now I know why I failed my test :(

urgh am I the only nerd who gets mad when ppl say a kilo joule s ABOUT 1000 joules No it is EXACTLY 1000..

what is 'R' at there ,ı dont know cause this vid is not in my language