Heat absorbed or released during the production of a substance from elements in their standard states is known as:
A
gibbs free energy
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B
heat of formation
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C
specific heat
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D
Heinsenberg uncertainty principle
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E
heat of vaporization
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Solution
The correct option is B heat of formation The energy of a system available to do work is called as Gibbs free energy.
The heat required to raise one unit mass of a substance by 1 degree Celsius is known as specific heat. Heat absorbed or released during the production of a substance from elements in their standard states is known as heat of formation. Heisenberg uncertainty principle states that "It is not possible to determine simultaneously the position and momentum of a moving microscopic particle (electron) with absolute accuracy". The heat required to vaporize unit mass of a substance without changing its temperature at constant pressure is called heat of vaporization.