Probably a silly question, but is there a correlation between yield and equilibrium? So if I changed the equilibrium to be favourable to the products side, would the yield of the product also increase?
Yield and Equilibrium Watch
- Thread Starter
- 03-04-2013 14:16
- 03-04-2013 14:51
Well the short answer to your question is yes.
- 03-04-2013 14:59
can you expand on your question it's a little unclear
- 04-04-2013 00:57
The rate is determined by the height of the energy barrier the molecule must overcome to reach the products.
There are 2 important factors when considering the yield.... (absolute not percentage yield)
1st, the position of the equilibrium. If the equilibrium lies well to the products then you can extract more of the product giving a higher yield, however it may only be produced very slowly. In this circumstance you get a high % yield but a poor absolute yield.
2nd, rate of reaction. If the rate of reaction is fast, you produce a lot of your product giving a good absolute yield quickly.
In industrial processes, there is a balance between getting a good % yield and getting a good absolute yield. Ultimately the absolute yield is most important as that is what you sell, but a low % yield is uneconomical.
For an example look up the Haber process, the most over studied thing ever in GCSE and A-Level chem :P