Methane CH₄ Reacts with Molecular Oxygen, O₂, to Form Carbon

question 21

Multiple Choice

Methane CH₄ reacts with molecular oxygen, O₂, to form carbon dioxide, CO₂, and water, H₂O. In a balanced chemical equation for this reaction there will always be

• A) the same number of moles of CO₂ and H₂O.
• B) twice as many moles of CO₂ as H₂O.
• C) twice as many moles of H₂O as CO₂.
• D) twice as many moles of H₂O as O₂.
• E) twice as many moles of CO₂ as CH₄.

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Definitions:

Digested Food

Nutrients and substances that have been broken down by the digestive system from ingested food to be absorbed and used by the body.

Semi-Starvation

A condition of prolonged inadequate caloric intake, below the level necessary for maintenance of a healthy body weight.

Experimental Starvation

The deliberate restriction of nutrients for research purposes, typically to study the effects of malnutrition on biological organisms.

Metabolic Rate

The rate at which the body expends energy or burns calories, crucial for maintaining basic physiological functions.