P.S. Exam Review warm-up ch7-10

Front

What is the balanced equation for photosynthesis?

Back

6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂

Front

What are acids characterized by?

Back

Acids are corrosive substances characterized as having a strong smell, a sour taste, and a pH less than 7.

Front

True or False: Lowering the temperature will speed up a reaction.

Back

False

Front

What is a solvent?

Back

The substance that does the dissolving in a solution.

Front

How many Mn atoms are in 3Cr(MnO₄)₆?

Back

18

Front

What is the pH range of acids?

Back

pH less than 7.

Front

What is the pH range of bases?

Back

pH greater than 7.

Front

What is the process of a substance dissolving called?

Back

Dissolution.

Front

What is the role of a catalyst in a chemical reaction?

Back

A catalyst speeds up a reaction without being consumed.

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.