Home
Class 11
CHEMISTRY
Assertion:Absolute values of intenal en...

Assertion:Absolute values of intenal energy of substances cannot be determined.
Reason:It is impossible to determine exact values of constituent energies of the substances.

A

If both ther assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both the assertion and reason are true but reason is not the correct explantion of the assertion.

C

If the assertion is true but reason is false.

D

If assertion is false but reason is true.

Text Solution

Verified by Experts

The correct Answer is:
A

it is that absolute values of internal energy of substances cannot be determined. It is also ture that to determine exact values opf constituent energies of the substance is impossible.
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • CHEMICAL THERMODYNAMICS

    A2Z|Exercise Section D - Chapter End Test|30 Videos
  • CHEMICAL THERMODYNAMICS

    A2Z|Exercise AIIMS Questions|29 Videos
  • CHEMICAL EQUILIBRIUM

    A2Z|Exercise Section D - Chapter End Test|30 Videos
  • CLASSIFICATION OF ELEMENTS AND PERIODICITY OF PROPERTIES

    A2Z|Exercise Section D - Chapter End Test|30 Videos

Similar Questions

Explore conceptually related problems

What is thermal energy of a substance?

Predict true or false. The absolute value of internal energy of a substance can not be determined.

Knowledge Check

  • The internal energy of a substance

    A
    Increases with increase in temperature
    B
    Decreases with increase in temperature
    C
    Can be calculated by the relation `E=mc^(2)`
    D
    Remains unaffected with change in temperature
  • The internal energy of a substance:

    A
    Increases with increase in temperature
    B
    Decreases with increase in temperature
    C
    Remains constant
    D
    Calculated by `E=mc^(2)`
  • The change in the internal energy of a substance

    A
    Increase with increase in temperature
    B
    Decrease with increase in temperature
    C
    Can be calculated the relation `E=mc^2`
    D
    Remains unaffected with change in temperature
  • Similar Questions

    Explore conceptually related problems

    Can the absolute value of internal energy be determined ? Why of why not ?

    At a given temperature the internal energy of a substance

    The equivalent energy of 1 g of substance is

    Assertion(A) : Absolute value of H cannot be determined. Reason(R ) : Absolute value of E cannot be determined.

    The absolute value of which of the following cannot be determined?