Question

An unbalanced chemical equation is shown:

2NaN3 → 2Na + N2

Which of the following statements explains why the equation is not balanced?

Four molecules of N2 should be produced during the decomposition.
Three molecules of N2 should be produced during the decomposition.
Four molecules of N2 should be produced during the synthesis reaction.
Three molecules of N2 should be produced during the synthesis reaction.

Answer 1

Answer: b

Explanation: I took the quiz

Answer 2

The correct statement is B. Three molecules of N₂ should be produced during the decomposition. :)