What Is the Mass Change in Grams for the Reaction

question 62

Multiple Choice

What is the mass change in grams for the reaction 2 NO₂(g) → N₂O₄(g) ? The enthalpy for the reaction is -57.2 kJ.

• A)-6.36 × 10^-13 g
• B)-6.36 × 10^-10 g
• C)-1.91 × 10^-7 g
• D)-1.91 × 10^-4 g

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