consider the balanced chemical reaction below. when the reaction was carried out, the calculated theoretical yield for iron was 365 grams, but the measured yield was 278 grams. what is the percent yield

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.