A thermodynamics Problem.
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Hell

A thermodynamics professor wrote a take home exam for his graduate
students. It had one question: "Is hell exothermic or endothermic? Support
your answer with proof."

Most of the students wrote proofs of their beliefs using Boyle's Law or
some variant. One student, however, wrote the following:

"First, we postulate that if souls exist, then they must have some mass.
If they do, then a mole of souls can also have a mass. So, at what rate
are souls moving into hell and at what rate are souls leaving? I think
that we can safely assume that once a soul gets to hell, it will not
leave. Therefore, no souls are leaving. As for souls entering hell, let's
look at the different religions that exist in the world today. Some of
these religions state that if you are not a member of their religion, you
will go to hell. Since there are more than one of these religions and
people do not belong to more than one religion, we can project that all
people and all souls go to hell. With birth and death rates as they are,
we can expect the number of souls in hell to increase exponentially.

Now, we look at the rate of change in volume in hell. Boyle's Law states
that in order for the temperature and pressure in hell to stay the same,
the ratio of the mass of souls and volume needs to stay constant.

1. So, if hell is expanding at a slower rate than the rate at which souls
enter hell, then the temperature and pressure in hell will increase until
all hell breaks loose.

2. Of course, if hell is expanding at a rate faster than the increase of
souls in hell, than the temperature and pressure will drop until hell
freezes over.

So which is it? If we accept the postulate given me by Therese Banyan
during our freshman year, and take into account the fact that I still have
not succeeded in having sexual relations with her, then # 2 cannot be
true, and hell is exothermic."