Chemistry Final Review

Front

What is the balanced equation for the decomposition of potassium chlorate (KClO3)?

Back

2 KClO3 → 2 KCl + 3 O2

Front

What is the central part of an atom that contains protons and neutrons?

Back

Nucleus

Front

How many moles of oxygen are produced when 6.7 moles of KClO3 decompose completely?

Back

10.1 mol

Front

What is the balanced equation for the reaction of nitrogen and hydrogen to form ammonia?

Back

N2 + 3 H2 → 2 NH3

Front

What is the name of the compound P4S3?

Back

Phosphorus sesquisulfide

Front

What does pH measure?

Back

The amount of hydrogen (H+) ions

Front

What is the formula for calculating moles from mass?

Back

Moles = Mass (g) / Molar Mass (g/mol)

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Front

What is the difference between an ionic bond and a covalent bond?

Back

Ionic bonds involve the transfer of electrons, while covalent bonds involve the sharing of electrons.

Front

What is the pH scale range?

Back

0 to 14, with 7 being neutral.