12. You run an experiment in which two substances chemically react in a closed system. You run the same experiment in an open system. How would the masses of the products in each experiment compare? Explain. (I need this by tonight)

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 303.15 or 303

it would be d. henry moseley

hope this !

and sorry if i'm late. have a good rest of your day! : d

what is the question here. i think you messed up.