Answer:
question 1, i'd say not enough information
question 2, do you know of potassium bromine lowers the entropy of the water solution or raises the entropy level? if so entropy is either A or C
question 3, i'd say entropy is less than 0, but i don't know because i never learned this in school
Explanation:
we don't know the original volume of gas and only know the elements that are in it
