(II) An ideal monatomic gas, consisting of 2.8 $\mathrm{mol}$ of volume $0.086 \mathrm{m}^{3},$ expands adiabatically. The initial and final temperatures are $25^{\circ} \mathrm{C}$ and $-68^{\circ} \mathrm{C}$ . What is the final volume of the gas?
Added by Timothy V.
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$PV = nRT$ $P = \frac{nRT}{V}$ $P = \frac{(2.8\ \mathrm{mol})(8.31\ \mathrm{J/mol\cdot K})(298\ \mathrm{K})}{0.086\ \mathrm{m^3}}$ $P = 81,600\ \mathrm{Pa}$ Show more…
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