Chemistry Review GP4

Front

What is the name for this acid H₂SO₄?

Back

sulfuric acid

Front

This Lewis dot indicates which of the following electronic configuration?

Back

s²p³

Front

CH₄ + 2O₂ → CO₂ + 2H₂O. If 16g of CH₄ react with 64g of O₂, how much CO₂ and H₂O are produced?

Back

44g of CO₂ and 36g of H₂O are produced.

Front

What is a molecular formula?

Back

A formula with the actual number of atoms of each element in a compound.

Front

What is the empirical formula for Na₂Cr₂O₇?

Back

NaCrO₄

Front

What is the balanced equation for the combustion of methane?

Back

CH₄ + 2O₂ → CO₂ + 2H₂O

Front

What is the definition of a strong acid?

Back

An acid that completely dissociates in solution.

Front

What is the pH of a neutral solution at 25°C?

Back

7

Front

What is the molar mass of water (H₂O)?

Back

18 g/mol

Front

What is the principle behind the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.