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Thermodynamics - Coggle Diagram
Thermodynamics
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Types of Boundary
Diathermic: conducting, allows energy exchange
Adiabatic: insulating, energy doesn't exchange
Types of Function
State Function: property which depends upon state of the system (not on path)- initial and final state. Eg: Temp., Pressure, Volume, Internal energy, enthalpy, entropy, free energy
Path Function: property which depends upon the path followed (mechanism) by the system. Eg: Work, heat
Types of Properties
Extensive Property: properties which depend on amount or quantity or mass of a substance. Eg: mass, volume, heat, internal energy, enthalpy, entropy, and Gibbs free energy.
Intensive Property: properties which depend only on the nature of a substance. Eg: temp., pressure, viscosity, density, surface tension, freezing point, melting point etc
Types of processes
Reversible Process: process is carried out infinite slowly and in very small steps causing it to take infinite time for completion such that it can reverse anytime. It is only imaginary and cannot be achieved in real life. Work obtained maximum.
Irreversible Process: process is carried out rapidly such that it takes finite or fixed time for completion. Process might occur in nature. Work obtained is not maximum.
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Nature of gas: Y= Cp/Cv
if value is 1.66- Monoatomic, 1.40- Diatomic, 1.30- Triatomic
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System: The part of the universe studied. Surrounding: The remaining part of the universe except the universe. system + surrounding = universe
Helps to predict the extent or possibilities of reaction but does not tell about speed at which it takes place.
Helps in predicting the initial and final state of the system, does not tell about mechanism.
State of the system: condition of the system in terms of temperature, pressure, volume etc.
State variable: If any of these properties (T, P,V) of system changes, the state of system changes.
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Specific Heat capacity (c) : The amount of heat required to increase the temperature of 1g of substance by 1 C.
Molar Heat capacity (C ) : The amount of heat required to increase the temperature of 1 mole of substance by 1 C.
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