Chemistry > A-Level Question Paper > Class 11 Thermodynamics Easy Handwritten Notes. (All)

Class 11 Thermodynamics Easy Handwritten Notes.

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The branch of science which deals with the quantitative relationship between heat and other forms of energies is called thermodynamics. Some Important Terms Related to Thermodynamics (i) System It ... refers to the part of universe in which observations are carried out. (ii) Surroundings The part of universe other than the system is known as surroundings. (ill) Boundary The wall that separates the system from the surroundings is called boundary. (iv) Thermodynamic equilibrium A system in which the macroscopic properties do not undergo any change with time is called thermodynamic equilibrium. (v) Thermal equilibrium If there is no flow of heat from one portion of the system to another, the system is said to be in thermal equilibrium. (vi) Mechanical equilibrium If no mechanical work is done by one part of the system on another part of the system. it is said to be in mechanical equilibrium. Such a condition exists when pressure remains constant. Types of Systems (i) Open system The system in which energy and matter both can be exchanged with the surroundings. (ii) Closed system The system in which only energy can be exchanged with the surroundings. (iii) Isolated system The system in which neither energy nor matter can be exchanged with the surroundings. Thermodynamics Properties 1. Intensive Properties Properties of the system which depend only on the nature of matter but not on the quantity of matter are called Intensive properties, e.g., pressure, temperature, specific heat, etc 2. Extensive Properties [Show More]

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