Question

A reaction that requires free energy:
A. must be endothermic.

B. is nonspontaneous.

C. must correspond to a decrease in entropy.

D. is spontaneous.

Answer 1

@Kpinky its non spontaneous

Answer 2

thanks sarah :)

Answer 3

yw :)

Answer 4

can you help me with one more question?

Answer 5

fo sho :) its my pleasure

Answer 6

thanks
When 0.1M HCl is added to the following system at equilibrium: AgCl(s) Ag+ (aq)+ Cl– (aq) the point of equilibrium will shift to the
A. right and the concentration of Ag+ (aq) will decrease.

B. right and the concentration of Ag+ (aq) will increase.

C. left and the concentration of Ag+ (aq) will decrease.

D. left and the concentration of Ag+ (aq) will increase.

Answer 7

what you think ??

Answer 8

its common ion effect

Answer 9

when u added HCl its mean Cl- more in concentration So they react with Ag+ and more AgCl so ur answer is C

Answer 10

oh ok, now I get it thanks for the help :)

Answer 11

yw :)