)methanol, ch3oh, has an entropy change of vaporisation of 104.1 jk-1 mol while methanoic acid, hcooh, has an entropy change of vaporisation of 61.8 j k- mol-1. explain why these values differ from those predicted by trouton's rule. (6 marks) (c) the enthalpies of combustion for methanol (chsoh), ethanoic acid (ch; cooh) and carbon monoxide (co) are given below ch3oh +3202 co2 + 2h20 ch3cooh202 2co2 + 2h20 co + 1/2o2 → co2 δη =-726 kjmol-1 ah -875 kjmol-1 ah--283 kjmol-1 caculate the enthalpy ort oloing reaceion: ch3oh +co ch3cooh

these nuts

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.

the answer is b because, investigating whether another species of moth also drinks tears might be interesting, but it would not directly explain why this species of moth does.

to explain why this species of moth drinks tears, the scientist could ask: "what nutrients that moths need are in elephant tears? "

the scientist could experiment with moth repellent or oter ways to keep the moths away, but that would not answer his original question.