Answer to Question #183935 in General Chemistry for Ross

Question

a certain gas expands in volume from 2.0 L to 6.0 L at constant temperature.

calculate the work done by the gas if it expands:

a) against a vacuum

b) against a constant pressure of 1.2 atm

Answer 1

a)W = P∆V

= 6 - 2 = 4

= 4 Joules

b) W = P∆V

= 1.2(6-2)

= 4 × 1.2

= 4.8Joules