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The decomposition of dinitrogen tetraoxide (N2O4) into nitrogen gas (N2) and oxygen gas (O2) is shown by which balanced chemical equation?

a. N2O4 → N2 + O2
b. N2 + 2O2 → N2O4This answer is incorrect.
c. N2O4 → N2 + 2O2
d. N2O4 + 2O2 → N2

Respuesta :

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Answer:

C. N₂O₄ → N₂ + 2O₂

General Formulas and Concepts:

Chemistry - Reactions

  • Reaction Prediction
  • Balancing RxNs
  • Decomposition Reactions: AB → A + B

Explanation:

Step 1: Define

N₂O₄ decomposes into N₂ and O₂

Step 2: RxN

Unbalanced RxN:   N₂O₄ → N₂ + O₂

  • Need to balance the reactants and products

Balanced RxN:   N₂O₄ → N₂ + 2O₂

  • Need same number of oxygens (O) on both sides

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