CameraIcon

SearchIcon

MyQuestionIcon

2

You visited us 2 times! Enjoying our articles? Unlock Full Access!

First Law of Thermodynamics

If change in ...

Question

If change in internal energy is given by $- 120 J$ . The work done by the system is 280 J. Calculate the heat associated with the process.

A

160 J

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

B

- 160

J

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

C

- 400

J

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

D

400

J

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

Open in App

Solution

The correct option is A 160 J
From first law of thermodynamics,
$Δ U$ = $Q + W$
Given, $Δ U$ = $- 120$ J and $W$ = -280 J
So, $Q$ = $- 120 + 280$ J = 160 J

Suggest Corrections

thumbs-up

0

Similar questions

Q. If change in internal energy is given by

- 120 J

. The work done by the system is 280 J. Calculate the heat associated with the process.

Q. In a process 701 J of heat is absorbed by a system and 394 J of work is done by system. What is the change in internal energy for the process?

Q. In a process, 701 J of heat is absorbed by a system and 394 J of work is done by the system. What is the change in internal energy for the process?

Q. A system undergoes a process in which system releases 200 J heat and work done by the surroundings is 300 J. Change in internal energy of the system is

Q. The work done by a system is 8 J , when 40 J heat is supplied to it.The change in internal energy of the system during the process is ______.

View More

Join BYJU'S Learning Program

explore_more_icon

Explore more

First Law of Thermodynamics

Standard XIII Chemistry

Join BYJU'S Learning Program

CrossIcon