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A halloon containing air has an initial temperature of 300 K. The baloon is heated and expands a polytropic process wit, n-(-2) until譨hits a rigid spherKal wire cage and cant expand any more. When the balloon first hits the 2 m wire eage the conditions in the balloon are 1000 K and 200kPa. The heating then continues until finally the temperature in the balloon is 1200 K Wire Cage What is the mass of the air in the balloon?. What is the final pressure in the alloon? Find the total work for the process Is this workdone ON or BY the air? Explain your decision briefly Air Find the heat transfer into the air for the process What is the initial pressure of the air in the balloon? Draw the two step process on a P V diagram. Be sure to sketch the constant temperature lines as a reference. Be sure to label the initial and final states
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