Formation of SO3 from SO2 and O2 is favoured by a) increase in pressure
b) decrease in pressure
c) Increase in temperature
d)decrease in temperature​

How does the value of the equilibrium constant show that a reaction reaches equilibrium very quickly? (a) the equilibrium constant is large. (b) the equilibrium constant is small. (c) the equilibrium constant is zero. (d) the value of the equilibrium constant does not show how quickly a reaction comes to equilibrium.