The Joule-Thomson Experiment

section 2.7

1.    Describe the Joule experiment.  Identify which state function is unchanged by a Joule expansion.  What is the definition of the Joule coefficient?

2.    Describe the Joule-Thomson experiment.  Identify which state function is unchanged by a Joule-Thomson expansion.  What is the definition of the Joule-Thomson coefficient?

3.    What is an isenthalp?  How is an isenthalpic curve generated?

4.    What is the effect of expansion on a gas when the gas's m_JT is greater than zero? less than zero? equal to zero?