If we have 80mL of water and want a solution that has an ethanol concentration by volume of 0.2, how many mL of ethanol do we need to add?

a). in this case, dh> 0 and sd> 0. if t becomes larger, the term "-tds" will become more negative. at some point, it is possible that -dts will be more negative than the dh is positive, and the reaction will become spontaneous. this is probably the correct answer, but you should look at all of the other possibilities and make sure of that.

answerambulatory;

gasoline is a mixture. it contains several different kinds of compounds that can be present in a variety of ratios.