Thermodynamics Lecture Notes Review

These flashcards cover key concepts and definitions from the thermodynamics lecture, providing an effective revision tool for the exam.

A waterfall runs downhill as a __ process.

spontaneous

Iron exposed to oxygen and water forms __.

rust

The measure of randomness or disorder of a system is called __.

Entropy (S)

If the change results in an increase in randomness, ΔS is __.

greater than 0 (ΔS > 0)

Processes that lead to an increase in entropy occur in a __ phase transition.

gas

In the First Law of Thermodynamics, energy can be __ but not created or destroyed.

converted from one form to another

The entropy of a perfect crystalline substance is __ at absolute zero.

zero

A reaction is spontaneous if ΔG < __.

0

When gases are produced, if a reaction produces more gas molecules than it consumes, ΔS is __.

greater than 0 (ΔS > 0)

The Gibbs Free Energy equation shows that a reaction proceeds spontaneously at __ temperatures when ΔG is negative.

high