What would the Kc value be from this reaction: H2 + I2 = 2HI. (Because of the coefficient "2" in front of HI, you will have to square the concentration
of HI to find Kc. Kc = ?

acid rain does not usually kill trees directly. instead, it is more likely to weaken the trees by damaging their leaves, limiting the nutrients available to them, or poisoning them with toxic substances slowly released from the soil. the main atmospheric pollutants that affect trees are nitrates and sulphates.

answer///carbon;