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Chemistry Forums for Students => High School Chemistry Forum => Topic started by: Maxim9559 on April 13, 2023, 07:32:27 PM

Title: Chemical equilibrium
Post by: Maxim9559 on April 13, 2023, 07:32:27 PM

Can somebody take a look at this and see if I've done everything correctly? I've missed a couple of lessons haha.

Image (site won't let me upload):

https://imgur.com/a/qsaCiwF

Title: Re: Chemical equilibrium
Post by: Aldebaran on April 14, 2023, 06:23:15 AM

I haven’t followed your working all the way through but noticed you’ve written the expression for K wrongly. It should be product concentration (or partial pressure) over reactants. You have written it upside down.

Title: Re: Chemical equilibrium
Post by: Borek on April 14, 2023, 12:01:43 PM

Pretty hard to decipher, but if I am reading it right - you are asked about initial amounts, so the answer should be several number in moles, yet you solve for a single number in %. Doesn't add.

Title: Re: Chemical equilibrium
Post by: Maxim9559 on April 15, 2023, 03:56:53 AM

Quote from: Borek on April 14, 2023, 12:01:43 PM

Pretty hard to decipher, but if I am reading it right - you are asked about initial amounts, so the answer should be several number in moles, yet you solve for a single number in %. Doesn't add.

That's correct, but I'm also asked to calculate the Efficiency of the reaction, which is the percentage. The initial amounts that I've calculated can be found in the table next to n⁰