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A workshop with well-insulated walls and containing 450 m3 of air at 305 K is heated...

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Physics

A workshop with well-insulated walls and containing 450m3 of air at 305 K is heated at constant pressure(atmospheric). Consider air to be an ideal diatomic gas.

(a)Determine the energy (in kJ) required to increase thetemperature of the air in the building by 2.90°C.


How does the amount of heat required depend on the molar specificheat at constant pressure and the desired change in temperature?What is the value for the molar specific heat at constant pressure?How can you determine the number of moles of the gas? kJ

(b)Determine the mass (in kg) this amount of energy could liftthrough a height 3.10 m.

Answer & Explanation Solved by verified expert
4.1 Ratings (756 Votes)
Ideal gas law gives PV nRTwhereP Atmospheric ressure 1 atm 105 Paa V Initial volume 450 m3n Number of moles of air in the buildingR Unoversal    See Answer
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