The enthalpies of elements are always taken to be zero.

True

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False

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Solution

The correct option is B False
Enthalpies of elements are taken to be zero when they are in their free states.Enthalpies of elements also depend on its physical state.So we cannot say that enthalpies of elements are always taken to be zero.

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Similar questions

The enthalpies of elements in their standard states are taken as zero. The enthalpy of formation of a compound
(a) is always negative
(b) is always positive
(c) may be positive or negative
(d) is never negative

Q. The enthalpies of the elements in their standard states are assumed to be:

The enthalpies of all elements in their standard state at

25^{\circ} C

are taken to be zero.

Q. The enthalpies of the elements in their standard states are arbitrarily assumed to be ?

The enthalpies of the elements in their standard states are arbitarily assumed to be ___________.

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The enthalpies of elements are always taken to be zero.

The correct option is B FalseEnthalpies of elements are taken to be zero when they are in their free states.Enthalpies of elements also depend on its physical state.So we cannot say that enthalpies of elements are always taken to be zero.

The correct option is B False
Enthalpies of elements are taken to be zero when they are in their free states.Enthalpies of elements also depend on its physical state.So we cannot say that enthalpies of elements are always taken to be zero.