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  • A sample of liquid in a thermally insulated container (a calorimeter) is stirred for 2 hr. by a mechanical linkage to a motor in the surrounding, for this process :<stro

A sample of liquid in a thermally insulated container (a calorimeter) is stirred for 2 hr. by a mechanical linkage to a motor in the surrounding, for this process :

Option: 1

w < 0; q = 0; \DeltaU = 0


Option: 2

w > 0; q > 0; \DeltaU > 0  


Option: 3

w < 0; q > 0; \DeltaU = 0 


Option: 4

w > 0; q = 0; \DeltaU > 0


Answers (1)

best_answer

Thermodynamical Process -

The method or way by which we can change the one Thermodynamical state to another state.

- wherein

Isothermal, Isobaric, Isochoric, Adiabatic

-

Work (W) -

Any type of energy transfer between system & surrounding which is not due to temperature difference is known as work.

- wherein

It is considered as ordered form of energy.

-

A sample of liquid in a thermally insulated container (a calorimeter ) is stirred for 2 hr. by a mechanical linkage to a motor in the surrounding, for this process: (d) w >0; q = 0; U > 0

Therefore, Option(4) is correct.

Posted by

Rishabh

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