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The heat first law

 

 

 

In the heat first law:

 

1. It can be said that heat is equal to work done in their properties.

 

2. The energy gain in air atoms = work done by other substance

 + heat gain by other substance

 

 

 

The heat second law

 

 

In the heat second law:

 

1.Heat will only transfer from the hotter atoms to the cooler atoms.

 

2.Although there is no friction and heat transfer, it is unable to have 100% efficiency when heat change into work.