For Which Reaction Below Does the Enthalpy Change Under Standard

question 131

Multiple Choice

For which reaction below does the enthalpy change under standard conditions correspond to a standard enthalpy of formation?

• A)2H₂(g) C(s) CH₄(g)
• B)CO₂(g) C(s) 2CO(g)
• C)2NO₂(g) N₂O₄(g)
• D)CO(g) H₂O(g) CO₂(g) H₂(g)
• E)CO₂(g) H₂(g) CO(g) H₂O(g)

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