GEN CHEM SUMMATIVE

Front

What is a Brønsted-Lowry acid?

Back

A substance that donates a proton (H⁺) in a reaction.

Front

What happens to the pH of an acidic solution when it is diluted by adding ten times more water?

Back

The pH will increase by 1 unit.

Front

In the reaction AlPO₄ + H₂ → Al + H₃PO₄, which element is reduced?

Back

AlPO₄.

Front

What is the balanced half-reaction for the conversion of H₂SO₄ to As₂S₅?

Back

5H₂SO₄ + 40e⁻ → As₂S₅.

Front

How can you determine if an engine converts 100% of fuel energy into mechanical work without releasing heat?

Back

Check if total energy input equals useful work output.

Front

What is a Brønsted-Lowry base?

Back

A substance that accepts a proton (H⁺) in a reaction.

Front

What is the pH scale range?

Back

The pH scale ranges from 0 to 14.

Front

What is oxidation in a redox reaction?

Back

Oxidation is the loss of electrons by a substance.

Front

What is reduction in a redox reaction?

Back

Reduction is the gain of electrons by a substance.

Front

What is the principle of conservation of energy?

Back

Energy cannot be created or destroyed, only transformed.