1. A car tire has an air pressure of 45 psi (pound per square inch). The valve is removed and the air escapes irreversibly against the atmospheric pressure of 1.0 atm, until its final pressure also is 1 atm. Assume the escape to be fast, therefore consider this as an adiabatic expansion. For air, assume Cp,m = 29.0 J/mol.K. Calculate the final temperature of the escaped air, assuming ideal gas behavior.
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