Distinguish between Isochoric and Isobaric
Process
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Answer:
Isochoric process
1) Isochoric process is a chemical process that takes place in a thermodynamic system under a constant volume.
2) There is no change in volume ΔV=0
3) The process changes according in an isochoric process.
Isobaric process
1) An isobaric process is a chemical process that takes place in a thermodynamic system under constant pressure.
2) The change in pressure or ΔP=0
3) The pressure of the thermodynamic system remains unchanged during an isobaric process.
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Isochoric Process is a constant volume process and Isobaric process is constant pressure.
Explanation:
Isochoric Process -
- It is a thermodynamic process that takes place at constant volume.
- Vf =Vi where (Δυ=0,dυ=0)
- It is also known as the isometric process
- It is a constant volume process.
- isochoric word is derived from Greek words iso means constant and Choric means Volume.
- According to the first law of thermodynamics where dQ = dU (isochoric process)
Isobaric process -
- It is a thermodynamic process that takes place at constant pressure.
- isobaric word is derived from Greek words iso means constant and baric means equal pressure
- At isobaric conditions, constant pressure is obtained when the volume gets expanded.
- It is also known as the constant pressure process.
- Pf =Pi where (Δp=0,dp=0)
- At constant pressure, heat is transferred to the system some work s done.
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