Laws of thermodynamics Zeroth law of thermodynamics ; The zeroth law of thermodynamics states that if two thermodynamic systems are each in thermal equilibrium with a third one, then they are in thermal equilibrium with each other. 1st law of Thermodynamics - The first law of thermodynamics, also known as Law of Conservation of Energy which states that energy can neither be created nor destroyed it can only be transferred or changed from one form to another. Example; The change in Internal energy of a system is equal to the heat added to the system minus work done by the system ΔU = Q – W limitations of the first law of Thermodynamics; No restrictions on direction of heat flow. It doesn't tell about the feasibility(?) Of a reaction. To overcome these limitations another law is needed 2nd law; It helps us to predict whether the reaction is feasible or not and also tell the direction of the flow of heat. It also tells that energy cannot be complet...
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