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Changes in Temperature

Posted: Sun Jan 20, 2019 7:19 pm
by Bianca Barcelo 4I
How does endothermic and exothermic reactions affect the way a reaction will shift to (which side does it favor)?

Re: Changes in Temperature

Posted: Sun Jan 20, 2019 7:34 pm
by Srikar_Ramshetty 1K
Temperature is the only variable that can change the K value. If the temperature rises the products in an endothermic reaction will be favored and reactants in an exothermic reaction will be favored. Vice versa when the temperature is decreased. '

Hope this helps!

Re: Changes in Temperature

Posted: Sun Jan 20, 2019 7:37 pm
by Jaqueline Monreal 2L
endothermic- formation of products is favored by a increase in temperature
raising the temperature of a reaction mixture at equilibrium will shift the reaction in the endothermic direction
exothermic- formation of products is favored by a decrease in temperature

Re: Changes in Temperature

Posted: Sun Jan 20, 2019 10:08 pm
by KarlaArevalo2F
since K is temp. dependent, if a rxn needs heat (endothermic) the products will be favored. if a rxn is releasing heat (exothermic) the reactants will be favored. I see it as if you need heat you need more energy to produce, and if you give off heat, you are favoring your reactants

Re: Changes in Temperature

Posted: Sun Jan 20, 2019 10:11 pm
by AnnaYan_1l
Changing temperature changes K.

In an endothermic reaction (heat is added), products are favored.
In an exothermic reaction (heat is released), reactions are favored.

Hope that helps! (:

Re: Changes in Temperature

Posted: Sun Jan 20, 2019 11:10 pm
by Angel Chen 2k
In an endothermic reaction ( delta T> 0) heat is absorbed so equilibrium shifts to the right. In an exothermic reaction ( delta T<0 ) , heat is released , the reaction goes towards the left.

Re: Changes in Temperature

Posted: Sun Jan 20, 2019 11:14 pm
by Hadji Yono-Cruz 2L
For endothermic reactions:
If temperature increases, then the forward reaction is favored.
If temperature decreases, then the reverse reaction is favored.

For exothermic reactions:
If temperature increases, then the reverse reaction is favored.
If temperature decreases, then the forward reaction is favored.

For endothermic reactions heat is on the reactants side. For exothermic reactions, heat is on the products side. With this in mind, I just think about temperature the same way I think about concentration changes for reactants and products.

Re: Changes in Temperature

Posted: Sun Jan 20, 2019 11:54 pm
by 505211599
If a reaction is endothermic( absorbs energy), a temperature increase will favor the products side. If a reaction is exothermic( gives off energy), a temperature increase will favor the reactants side.

Re: Changes in Temperature

Posted: Sun Jan 20, 2019 11:57 pm
by 404982241
endothermic- products are favored by a increase in temperature
exothermic- products are favored by a decrease in temperature