Avogadro's Gas Law: 12.) The average volume of a human lung is 5.0 L when fully expanded. If the air is
20.95 % oxygen, how many molecules of oxygen gas can a human's lungs hold
when fully expanded? Assume STP conditions.

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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.

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