Q2 ACE Benchmark Review

Front

What is the half-life of carbon-14?

Back

5730 years

Front

What is an endothermic process?

Back

A process that absorbs heat from the surroundings.

Front

What is the longest process among melting, boiling, freezing, and heating the solid?

Back

Boiling

Front

What is the substance that dissolves in a solution called?

Back

Solute

Front

What is the substance doing the dissolving in a solution?

Back

Solvent

Front

Define half-life in the context of radioactive decay.

Back

The time required for half of the radioactive atoms in a sample to decay.

Front

What is the difference between an exothermic and an endothermic process?

Back

Exothermic processes release heat, while endothermic processes absorb heat.

Front

What is a solvent?

Back

A substance that dissolves a solute, forming a solution.

Front

What is a solute?

Back

A substance that is dissolved in a solution.

Front

What is boiling?

Back

The process of turning a liquid into vapor when it reaches its boiling point.