Home
Class 11
PHYSICS
In a certain chemical process, a lab tec...

In a certain chemical process, a lab technician supplies 254 J of heat to a system. At the same time, 73 J of work are done on the system by its surroundings. What is the increase in the internal energy of the system?

Text Solution

Verified by Experts

The correct Answer is:
B, C
`DeltaU=Q-W`
`=254-(-73)=327J`
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • LAWS OF THERMODYNAMICS

    DC PANDEY|Exercise Exercise 21.2|7 Videos

  • LAWS OF THERMODYNAMICS

    DC PANDEY|Exercise Exercise 21.3|7 Videos

  • LAWS OF THERMODYNAMICS

    DC PANDEY|Exercise Miscellaneous Example|9 Videos

  • LAWS OF MOTION

    DC PANDEY|Exercise Medical entrances gallery|39 Videos

  • MAGNETIC EFFECT OF CURRENT AND MAGNETISM

    DC PANDEY|Exercise Integer type Questions|10 Videos

Similar Questions

Explore conceptually related problems

A system is provided 50J of heat and work done on the system is 20J . What is the change in the internal enegry?

A system is provided 50J of heat and work done on the system is 10Joule What is the change in internal energy

Knowledge Check

  • In a certain process, 400 cal of heat are supplied to a system and the same time 105 J of mechanical work done on the system . The increase in its internal energy is

    A
    20 cal
    B
    303 cal
    C
    404 cal
    D
    425 cal

  • If the amount of heat given to a system is 35 J and the amount of work done on the system is 15 J, then the change in internal energy of the system is

    A
    `-50 J`
    B
    20J
    C
    `-20 J`
    D
    50 J

  • If the amount of heat given to a system is 3 5 J and the amount of work done on the system is 15 J, then the change in internal energy of the system is

    A
    -30J
    B
    20J
    C
    30J
    D
    50J

    • Similar Questions

    Explore conceptually related problems

    The work done by the system is 8 joule, when 40 joule heat is supplied to it. What is the increases in internal energy of system.

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

    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?

    The work done by a system is 8 Joule, when 40 joule heat is supplied to it .What is the increase in internal energy of the system?

    The work done by a system is 8 joule, when 40 joule heat is supplied to it. What is the increase in internal energy of system

    Home
    Profile