The Reaction of Methane with Water to Form Carbon Dioxide

question 56

Multiple Choice

The reaction of methane with water to form carbon dioxide and hydrogen is nonspontaneous at 298 K. At what temperature will this system make the transition from nonspontaneous to spontaneous? The data refer to 298 K. CH₄(g) + 2H₂O(g) ⇄ CO₂(g) + 4H₂(g)

• A)658 K
• B)683 K
• C)955 K
• D)1047 K
• E)1229 K

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Definitions:

Vasoconstriction

The constriction of the muscular wall of an artery to increase blood pressure.

Dysrhythmia

An abnormal heart rhythm.

Potassium Ions

Positively charged atoms of potassium that play crucial roles in cellular and electrical functions within the body.

Calcium Ions

Positively charged atoms of calcium that play crucial roles in various biological processes, including muscle contraction, nerve function, and blood clotting.