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2.08 3 Laws of Thermodynamics (2nd Law (The entropy of the system…
2.08 3 Laws of Thermodynamics
2nd Law
The entropy of the system increases with time
a system becomes more disordered with time
Entropy
simplest definition
the amount of disorder
potential energy decreases over time
Energy flows
from high to low
energy flowing thru a system can perform work
zeroth law
If 2 systems are the same temperature as a 3rd system, then they are the same temp as each other.
definition
the study of the movement and changes of energy
1st Law
Conservation of Energy
Energy cannot be created or destroyed
substances can gain or lose energy
conduction
radiative process
3rd Law
The entropy of a perfect crystal at absolute zero is zero
There is no disorder in a perfect crystal at absolute zero
all molecular motion stops at absolute zero