This computer can be used by anyone.

This compound was made by the chemical combination of two different elements.

These two elements chemically combine to create a new substance.

He is majoring in chemistry at university.

He studies well.

The bathroom in my house is very spacious.

You did well on the test, didn't you?

I'm glad you could come.

He is an expert in chemistry.

Organic solvents play an important role in chemical reactions.