Ammonium bromide is a crystalline solid that decomposes endothermically when heated:

nh4br(s) ⇜nh3(g) + hbr(g). when solid nh4br is added to an evacuated flask at 300 °c, which change in reaction conditions below will cause the equilibrium to shift to the right?

a) add more nh3

b) add more nh4br

c) decrease the temperature

d) double the volume of the container

They can measure  the amount of energy gained or lost

Are there any options that could alot..

English , i don't understand spanish.

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