Thermodynamics Flashcards
1
Q
What is the first law of thermodynamics
A
The internal energy of a closed sysem= heat transferred to the system - work done by or to the system
2
Q
What is entropy?
A
The inherent disorder of a system, the more disorder the higher the entropy
3
Q
What happens to entropy when heat flows between systems?
A
Their entropy increases
4
Q
What is the heat capacity of a substance?
A
Amount of heat required to raise the temperature by 1c
5
Q
What is the specific heat of a substance?
A
The energy required to raise 1 gram of a substance by 1 c
6
Q
What is the specific latent heat?
A
The amount of heat required to change 1 kg of a substance from one physical state to another without any changes in temperature
7
Q
Does water boil at higher or lower temperatures at high altitudes ?
A
Lower
