You perform an experiment in which you measured amount of water leaking through the different types of roof for one of you measure a value of 3.4 gallons what is this measurement and SI units 1 gallon equals 3.78 L.

c. electrical charges of ionic bonds.

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.