1. Un recipiente cerrado de volumen variable contiene 20 litros de un gas a una presión de 3 atm. Si la temperatura permanece constante, ¿cuál será el volumen final del gas si la presión se duplica?

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 your looking for is c).