Be sure to answer all parts. a sample of nitrogen gas expands in volume from 1.4 to 5.8 l at constant temperature. calculate the work done in joules if the gas expands (a) against a vacuum: j (b) against a constant pressure of 0.73 atm: × 10 j enter your answer in scientific notation. (c) against a constant pressure of 4.1 atm: × 10 j enter your answer in scientific notation.

0, 3.212J, 18.04J

Explanation:

a) Work done by gae against vacuum is zero because in vacuum Pressure =0

W=P️V

=0 x (5.8-1.4)

= 0 Ans

b)

W=P️V

= 0.73 x ( 5.8-1.4)

= 3.212 J

c)

W =P️V

=4.1 x (5.8-1.4)

= 18.04 J

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hurricanes form when warm, moist air from the ocean surface quickly rises into the atmosphere and forms storm clouds and rain. when the clouds are formed, heat is released which warms the cool air in the upper regions of the atmosphere so that the cycle can continue. which two phases of the water cycle are repeated in this process?