Distinguish between isochoric and isobaric processes.If a gas is compr

1.	Distinguish between isochoric and isobaric processes.If a gas is compressed adiabatically by doing work of 150 J, the change in the internal energy of the gas is:
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. First low of Thermodynamics - dQ = dU + dW dW = 150 dQ = 0 (adiabatic) dU = dQ − dW = −150 change in internal energy = ∣dU∣ = 150J

Distinguish between isochoric and isobaric processes.If a gas is compressed adiabatically by doing work of 150 J, the change in the internal energy of the gas is:

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.

First low of Thermodynamics -

dQ = dU + dW

dW = 150

dQ = 0 (adiabatic)

dU = dQ − dW

= −150

change in internal energy = ∣dU∣ = 150J

Discussion

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