Suppose the ideal monatomic gas expands adiabatically and irreversibly. in this case the initial and final pressure/temperatures/volumes are not related by either of the equations given in the introduction. if an ideal gas expands irreversibly against a constant external pressure of pext, the initial volume v1 and initial temperature t1 are related to the final volume and temperature v2 and t2 by ncv(t2−t1)=−pext(v2−v1) . suppose 5.15 moles of an ideal monatomic gas expands adiabatically and irreversibly from an an initial temperature of t1=473k and an initial volume of v1=20.0l against a constant external pressure of pext=1.00 atm. assume the expnsion continues until the final temperature is t2=303k. calculate v2, the final volume of the gas. give your answer in si units.
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