The Enthalpy of Formation of an Element in Its Standard

question 48

Multiple Choice

The enthalpy of formation of an element in its standard state is

• A) zero.
• B) the enthalpy of its reaction with oxygen.
• C) the enthalpy of its reaction with hydrogen.
• D) determined by its melting point.
• E) none of these

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Definitions:

Injured Tissue

Tissue that has been damaged due to injury or disease, leading to inflammation, pain, and often requiring regeneration or repair processes.

Regeneration

The process of renewal, restoration, and growth that makes genomes, cells, organisms, and ecosystems resilient to natural fluctuations or events that cause disturbance or damage.

Replacement

In biology, often refers to the substitution or restoration of cells, tissues, or organs.

Necrosis

Necrosis is the process of cell death which occurs as a result of disease, injury, or failure of the blood supply, often leading to tissue damage.