A small copper cup containing oil initially at a temperature of 25 degrees Celsi

Question

A small copper cup containing oil initially at a temperature of 25 degrees Celsius placed in a very large temperature bath which is maintained 56 degrees Celsius. addition gas thermometer is submerged in the water temperature at a pressure of 1.5 bars, If after a long period bath and is removed foe he hot warm and the cup of oil and the then are encased thermometer placed in the oil cup, was immediately after it was removed from the hot water bat, will the pressure of the gas increase decrease or remain the same? What will the pressure be? What Law of Thermodynamics are you basing your answer on?

Explanation / Answer

A small copper cup containing oil initially at a temperature of 25 degree celsius

It is placed in a very large temperature bath which is maintain at 55 deg celsius

gas thermometer is submerged in the water bath and is at pressure at 1.5 bar

here the temperature of the water bath is maintain at constant temperature

so as the time increase the temperature of oil in the cup is also increase to at 55 degree celsius

Now here after long time interval the cup of oil and thermometer is removed from water bath . and then the

the thermometer is immerged in the oil cup which is at 55 degree temperature .

Therefore the pressure remain same .

the pressure will be 1.5 bar

here second low of thermodynamic is used

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