uestion 3 of 13 11:00 PM 1/13 Print General Chemistry 4th Edition University Sci

Question

uestion 3 of 13 11:00 PM 1/13 Print General Chemistry 4th Edition University Science Books presented by Sapling Learning The change in entropy, AS ron, s related to the the change in the number of moles of gas molecules, Angas Determine the change in the moles of gas for each of the following reactions and decide if the entropy increases, decreases, or has little or no change. Number O has little or no change O decreases An mol AS O increases bo co (g) +3H2 (g) CH (R) H2(R) O increases Number O decreases mol O has little or no change CH (R) +20 (g) (i CO. (g) 2H1O A O Previous 8 Give Up & View Solution 2 Check Answer Next d E about us careers partners privacy policy terms of use contact us

Explanation / Answer

(a) initial moles = 2 final gas moles =0

Change in moles = -2

So, the delta entropy of rxn decreases.

(b)

Initial gas moles = 4 ; final gas moles = 2

Change in moles = -2

Here delta S rxn will decreases

(c) initial gas moles =3 , final gas moles = 1

Here change in moles = -2

Delta S rxn will decreases

(d)

Initial moles =2 , final moles =4

Change in moles =2

Now, delta S rxn will make increases

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