An ideal gas expands at a constant pressure of \( 7.0 \mathrm{~atm} \) from \( 280 \mathrm{~mL} ...

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An ideal gas expands at a constant pressure of \( 7.0 \mathrm{~atm} \) from \( 280 \mathrm{~mL} \) to \( 630 \mathrm{~mL} \). Heat then flows out of the gas, at
\( \mathrm{P} \) constant volume, and the pressure and temperature are allowed

W to drop until the temperature reaches its original value. Calculate (a) the total work done by the gas in the process, and (b) the total heat flow into the gas.
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