Given the density of water is 1 g/mL, what is the mass of 1000mL of water?

1000g.

Explanation:

The conversion is fairly simple - however many grams you have, you have the same amount of milliliters. Water is a special, special substance!

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.