Question

$<marquee behaviour-move><font color="blue"><h1>define thermodynamics</ht></marquee>$
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Answer 1

Answer:

Thermodynamics is a branch of physics which deals with the energy and work of a system. It was born in the 19th century as scientists were first discovering how to build and operate steam engines. Thermodynamics deals only with the large scale response of a system which we can observe and measure in experiments.

Answer 2

Answer:

Thermodynamics deals with the systems in macroscopic equilibrium and is concerned with changes in internal energy, temperature, entropy etc., of the system through external work and transfer of heat.