Engineering Thermodynamics
According to Avogadro’s law

All of these
The product of the gas constant and the molecular mass of an ideal gas is constant
Equal volumes of all gases, at the same temperature and pressure, contain equal number of molecules
The sum of partial pressure of the mixture of two gases is sum of the two

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Engineering Thermodynamics
Zeroth law of thermodynamics

Deals with reversibility and irreversibility of process
Deals with heat engines
States that if two systems are both in equilibrium with a third system, they are in thermal equilibrium with each other
Deals with conversion of mass and energy

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