Explain how the representations below you understand molecule polarity

The arrangement of particles is most ordered in a sample of

Wind and moving water provide energy. chemical mechanical thermal none of the above

For the reaction i2(g)+br2(g)←−→2ibr(g), kc=280 at 150 ∘c. suppose that 0.450 mol ibr in a 2.00-l flask is allowed to reach equilibrium at 150 ∘c. what is the equilibrium concentration of 2ibr, i2, br2