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Chemical Reactions quick check

A quick check of 3 questions. After you submit, each question shows the right answer and why.

3 of 8 questions, Advanced level. Aimed at the Advanced level, your current depth. Questions you have not answered yet come first.

Show all 8 questions

ScientistQuestion 1 of 3

In the balanced equation 2N₂ + 5O₂ → 2N₂O₅, how many oxygen atoms are on each side?

ScientistQuestion 2 of 3

Which of these equations for hydrogen burning in oxygen to make water is correctly balanced?

AdvancedQuestion 3 of 3

In a sealed container, 16.04 g of methane reacts completely with 64.00 g of oxygen. What is the total mass of the products, in grams?