A hexagon has a radius measuring 23 cm. What is the approximate area of the hexagon? 686. 6 square cm 793. 5 square cm 1374. 4 square cm 1587. 0 square cm.

c, liquids evaporate, creating a gas

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.