Question

Can you please show all work and an explanation. 9) Of the following equilibria, only ________...

Can you please show all work and an explanation.

9) Of the following equilibria, only ________ will shift to the right in response to a decrease in volume.

A) H2 (g) + Cl2 (g) <--->  2 HCl (g)

B) 2 SO3 (g) <---> 2 SO2 (g) + O2 (g)

C) N2 (g) + 3H2 (g) <---> 2NH3 (g)

D) 2 Fe2O3 (s) <---> 4 Fe (s) + 3O2 (g)

E) 2HI (g) <--->  H2 (g) + I2 (g)

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Answer #1

Decreasing volume increases the pressure
decreasing volume will shift the reaction to side containing lesser number of gaseous molecules

A)
number of gas molecules is equal
so, decreasing volume will have no effect

B)
number of gas molecules is less on left
so, decreasing volume will shift to left

c)
number of gas molecules is less on right
so, decreasing volume will shift to right

d)
number of gas molecules is less on left
so, decreasing volume will shift to left

e)
number of gas molecules is equal
so, decreasing volume will have no effect

Answer: C

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