Near room temperature, the molar specific heat of all metals is As shown, a mass

Question

Near room temperature, the molar specific heat of all metals is As shown, a mass (light gray) is placed on a moveable piston (dark gray). There is a clamp that, if tightened, would hold the piston in place. If we heat the gas inside the chamber while the clamp is untightened then it is an process but if we heat the gas while the clamp is tightened then it is an process. In which case do we have to put in more heat to achieve the same increase in temperature? What should you do with the piston heat engine after you complete your experiment?

Explanation / Answer

Near room temperature, the molar specific heat of all metals is around 25 J/Mol K

Clamp Untightened: Isobaric Process

Clamp tightened: Isochoric Process also known as isometric or isovolumetric

In the Isobaric process, you have to put in more heat to achieve the same increase in temperature

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