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What Is the Mass Change in Grams for the Reaction $\rarr$

Question 50

Multiple Choice

What is the mass change in grams for the reaction 2 NO₂(g) $\rarr$ 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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