Which of the Following Equations Correctly Describes the Combustion of CH₄

question 82

Multiple Choice

Which of the following equations correctly describes the combustion of CH₄ and O₂ to produce water (H₂O) and carbon dioxide (CO₂) ?

• A) CH₄ + (1/2)O₂  CO₂ + H₂O
• B) CH₄ + 2O₂  CO₂ + 2H₂O
• C) CH₄ + 3O₂  2CO₂ + H₂O
• D) CH₄ + O₂  CO₂ + 2H₂O

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Definitions:

Lateral Runout

A measurement of the deviation or wobble in a rotating component, such as a brake rotor or wheel, from its primary axis of rotation.

Eccentric Runout

Variation in the rotational path of a rotating part, causing uneven movement or vibration.

Backlash

The play or loose movement in mechanical components, particularly in gears, resulting from gaps between parts.

Gear Teeth

The individual protrusions on the circumference of a gear that engage with those on another gear to transmit torque and motion.