Difference Between

Enthalpy vs Internal Energy For the study purposes in chemistry, we divide the universe into two as a system and surrounding. At any time, the part we are interested is the system, and the rest is surrounding. Enthalpy and internal energy are two concepts related to the first law of thermodynamics, and they describe... 

Enthalpy vs Entropy For the study purposes in chemistry, we divide the universe into two as a system and surrounding. At any time, the part we are interested is the system, and the rest is surrounding. Enthalpy and entropy are two terms describing the reactions taking place in a system and the surrounding. Both... 

Work vs Heat Work and heat are the two most important concepts of thermodynamics. Work and heat are highly interrelated, but they are not quite the same. The quest to understand work and heat goes way back. With these two concepts cleared, classical thermodynamics became one of the “completed” fields in physics....