Le Chatelier's Principle
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This helps clear up my teacher's 'messy' way of teaching this. I don't follow her arm movement technique very well. What was so hard for her to decide to tell us this 'stress' concept. Not a single word related to 'stress' came out of my teacher's mouth. I consider that a bad teacher..
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Always remember that, Adding temperature favours the endothermic arrow, and decreasing temperature favours the exothermic arrow... This video really helped me... thank you...
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Omg!! Thank u so much for posting this- you really help us to answer/ understand the big question mark on our head! I totally understand it now, after watching your video. Keep posting more resourceful vids- it is very helpful for the students like me who probably read the book several times but still don't understand it. :]
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I thought that was a great tutorial! I am grateful for the time you have taken to make and post the video!
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not well explained
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A very good revision for my chemistry test tomorrow! Thank you!
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This is a very good tutorial ! Your'e an extremely good teacher thank you so much ! Could someone please answer my question though? I just want to see if I have grasped this concept :
If we were to decrease the temperature, would the forward reaction be favoured? And would the concentration of N2 and 3H2 decrease, and the concentration of NH3 increase?
Thanks, I'd be extremely grateful If I received an answer. :)
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very good
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thank you
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Thanks for your comment.
You are correct: if you decrease the temperature, the system will "try" to INCREASE the temperature by shifting to the exothermic/temperature increasing direction, which in this example is the forward direction. Thus, the products/NH3 (of the FORWARD reaction) increase in concentration and reactants (N2 and H2) decrease in concentration.
Hope that this helped.
saychem 1 year ago