Thermodynamics

Question 1

0th law of thermodynamics?

Answer 1

If A and B and are equilibrium and B and C are in equilibrium then A and C are in equilibrium

Question 2

First law of thermodynamics?

Answer 2

Change in internal energy = work done ON the fluid + heat that has flowed IN to the fluid

Question 3

When is work done on the fluide positive and negative?

Answer 3

Positive = compressed Negative = expansion