A gas expands in volume from 25.8mL to 82.5mL at constant temperature. Calculate
ID: 919585 • Letter: A
Question
A gas expands in volume from 25.8mL to 82.5mL at constant temperature. Calculate the work done (in joules) if the gas expands against a constant pressure of 1.8 atm. (scientific notation) A gas expands in volume from 25.8mL to 82.5mL at constant temperature. Calculate the work done (in joules) if the gas expands against a constant pressure of 1.8 atm. (scientific notation) A gas expands in volume from 25.8mL to 82.5mL at constant temperature. Calculate the work done (in joules) if the gas expands against a constant pressure of 1.8 atm. (scientific notation)Explanation / Answer
W = -PDV
= -1.8*(82.5-25.8)
= -102.06 lit.atm
= -102.06*101.2 ( 1 lit.atm = 101.2 joules)
= -10328.5 joule
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