Argon is initially at 300 K with a specific volume of 0.3 m3/kg. It is then isentropically expanded to a specific volume of 0.6 m3/kg. Determine the final temperature, in K, up to two decimal places using rounding. Assume that specific heats are constant.
1. Argon is initially at 300 K with a specific volume of 0.3 m3/kg. It is then isentropically expanded to a specific volume of 0.6 m3/kg. Determine the final temperature, in K, up to two decimal places using rounding. Assume that specific heats are constant.
2. Neon is expanded isentropically from 2000 kPa and 770 K until the temperature drops to 275 K. What is the pressure, in kPa, at the final state? Report your answer to one decimal place using rounding. Assume that specific heats are constant.
3. Air at 2000 K with a specific volume of 0.6 m3/kg is expanded isentropically until the temperature drops to 1000 K. Determine the final specific volume, in m3/kg. Assume that specific heats vary with temperature. Report your result to two decimal places using rounding.
4. Air initially at 300 K and 100 kPa is isentropically compressed to a pressure of 4 MPa. Determine the final temperature, in K, assuming that specific heats vary with temperature. Report your result to one decimal place using rounding.
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