For Which of the Equations Shown Below Does the Standard

question 39

Multiple Choice

For which of the equations shown below does the standard enthalpy of reaction equal the standard molar enthalpy of reaction of the product?
I. N₂(g) + O₂(g) 2 NO (g)
II. C (s; graphite) + O₂(g) CO₂ (g)
III. H₂ O ( ) + CO₂ (g) H₂ CO₃( )

• A) I only
• B) II only
• C) III only
• D) II and III
• E) All of these

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