MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Work done in Isothermal Irreversible Process

One mole of a...

Question

One mole of an ideal gas at $25^{\circ} C$ expands in volume from 1.0 L to 4.0 L at constant temperature. What work (in J) is done if the gas expands against vacuum ?

A

-4.0 X 10²

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

- 3.0 X10²

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

4.0 X 10² J

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

0 J

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D
0 J

You know that in an irreversible process, $W = - P_{e x t} (V_{2} - V_{1})$

The key thing here is that in vaccum $P_{e x t} = 0$

Hence, $W = 0$

Suggest Corrections

thumbs-up

9

Similar questions

One mole of an ideal gas at $25^{\circ} C$ expands in volume from 1.0 L to 4.0 L at constant temperature. What work (in J) is done if the gas expands against vacuum ?

Q. One mole of an ideal gas at

25^{o}

C expands in volume from

1.0

4.0

L at constant temperature. What work (in J) is done if the gas expands against vaccum

(P_{e x t e r n a l} = 0)

?

25^{o} C

0.01

mole sample of a gas is compressed in volume from

4.0 L

1.0 L

at constant temperature. What is work done for this process if the external pressure is

4.0

1

mole of an ideal gas at

25^{o} C

is allowed to expand reversible at constant temperature from a volume of

10 l i t r e

20 l i t r e

. Calculate the work done by the gas in joule and calorie.

Q. An ideal gas expands in volume from

10^{- 3} m^{3}

10^{- 2} m^{3}

300 K

against a constant pressure at

10^{5} N / m^{2}

. The work done is:

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

First Law of Thermodynamics

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Work done in Isothermal Irreversible Process

Standard XII Chemistry

Join BYJU'S Learning Program

CrossIcon