Term
|
Definition
P*ΔV (pressure times change in volume) |
|
|
Term
| The First law of thermodynamics |
|
Definition
| Energy cannot be created or destroyed. It can only change form. |
|
|
Term
| The Second law of thermodynamics |
|
Definition
| The entropy of the universe must always either increase or remain the same. It can never decrease. |
|
|
Term
|
Definition
| ΔU = q - W where ΔU is change in internat energy of the system |
|
|
Term
1. When work is positive 2. When work is negative |
|
Definition
1. the system does work on the surroundings 2. the surroundings do work on the system |
|
|
Term
| The work done whan a gas changes states = |
|
Definition
| The area beneath a P-V cuve |
|
|
Term
|
Definition
| A process which occurs at constant pressure (P is constant use E10.4 to find W) |
|
|
Term
|
Definition
A process which occurs at constant temperature ΔU = 0 |
|
|
Term
|
Definition
A process which occurs at constant volume W = 0 |
|
|
Term
|
Definition
A process in which no heat is transferred between the system and the surroundings q = 0 |
|
|
Term
|
Definition
|
|
Term
|
Definition
Work Done / Total Energy Input = (qh - qc)/qh = 1 - qc/qh |
|
|
Term
|
Definition
|
|
Term
| The Third law of thermodynamics |
|
Definition
| Is is impossible to reach a temperature of 0 K in a finite number of cooling steps |
|
|
