" 04.Define 1st low of thermodynamics "

Define first law of thermodynamics.

Define first law of thermodynamics.

Define zeroth law of thermodynamics.

Define zeroth law of thermodynamics.

Define 1st law of thermodynamics. By using this law, derive relationship between C_(p) and C_(v) .

State and explain 1st law of thermodynamics. Apply it to obtain an expression for the change in internal energy during melting process.

Which thermodynamics variable is defined by first law of thermodynamics?