2HI(g) + Br2(g) -----> (equilibrium) 2HBr(g) + I2(s) If [HBr] increases than [I2

Question

2HI(g) + Br2(g) -----> (equilibrium) 2HBr(g) + I2(s) If [HBr] increases than [I2]: increases,decreases or no change, if Br2 is removed than [HI]: increases, decreases or no chance, if Temperature decreases that Kc: increases, decreases or no chance, if [HI] increases than [Br2]: increases decreases or no chance, if Temperature increases than [HBr] :increases, decreases or no change....Describe in two sentences what differences you would expect in the appearance of the system when it reaches new equilibrium after a decrease in temperature

Explanation / Answer

2HI(g) + Br2(g) <-----> (equilibrium) 2HBr(g) + I2(s)

1) If [HBr] increases Equilibrium shifts towards backward direction

2) if Br2 is removed than [HI]: Equilibrium shifts towards backward direction

3) if Temperature decreases that Kc: generally increses rate of reaction with Temperature. so Kc increases

4) if [HI] increases than [Br2]: Equilibrium shifts towards forward direction

5) if Temperature increases than [HBr] :Equilibrium shifts towards backward direction

6 ) after a decrease in temperature Equilibrium shifts towards forward direction. at low temperature the formation solid more favorable

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