True or false: thermodynamics

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   Spontaneous changes raise the entropy of the universe.

2. Statement is true

   No

   Statement

   A perfect crystal at 0 K has many microstates.

3. Statement is true

   Yes

   Statement

   A reversible process stays at equilibrium throughout.

4. Statement is true

   Yes

   Statement

   Free energy tells how much useful work is available.

5. Statement is true

   No

   Statement

   A spontaneous process is also spontaneous in reverse.

Instructions

Tap True or False for each statement.

Explanation