What is entropy ?

What is meant by entropy driven reaction?

What is meant by the entropy change of a system in a chemical reaction?

The accompanying represents a reversible camot cycle for an ideal gas: What is the entropy increase during isothemal expansion at 1000 K?

The accompanying diagram represents a reversible cannot cycle for an ideal gas: What is the entropy increase during isothermal at 1000K?

What is the entropy change of an engine that operates at 100^@C when 453.6 k.cal of heat is supplied to it?

What is the entropy change of an engine that operates at 100^@C when 453.6 k.cal of heat is supplied to it?

What is the entropy change of an engine that operates at 100^@C when 453.6 k.cal of heat is supplied to it?

What is the entropy change of an engine that operates at 100^@C when 453.6 k.cal of heat is supplied to it?