Properties of Water and pH

Front

What two elements make up water?

Back

Hydrogen and oxygen.

Front

What happens when a hydrogen ion is released in a solution?

Back

The solution becomes acidic.

Front

On the pH scale, what do higher numbers indicate?

Back

Bases.

Front

True or False: A substance that is an acid has more OH- ions than H+ ions.

Back

False.

Front

What are the attractions between the negative Oxygen atom of one water molecule and the positive Hydrogen atom of another water molecule called?

Back

Hydrogen bonds.

Front

What is the pH range of acidic solutions?

Back

0 to 6.9.

Front

What is the pH range of neutral solutions?

Back

7.

Front

What is the pH range of basic solutions?

Back

7.1 to 14.

Front

Define 'Hydrogen bond'.

Back

A weak bond between a hydrogen atom and an electronegative atom, such as oxygen.

Front

What is the significance of water's high specific heat?

Back

It helps regulate temperature in the environment.