Termodynamics Process

Isoprocesses

• apply 1st law of thermodynamics to closed system of an ideal gas

• isoprocess is one in which one of the thermodynamic (state) variables are kept constant

use pV diagram to visualise process

Isobaric Process

• process in which pressure is kept constant

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Isochoric Process

• process in which volume is kept constant

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Isothermal Process

• process in which temperature is held constant

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Thermodynamic processes of an ideal gas ( FLT: DU = Q – Wby )

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clip_image010Isochoric (constant volume)

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Isobaric (constant pressure)

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l clip_image024 Isothermal (constant temperature)

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