Ch 8 PS

Question 1

Chemical reaction

Answer 1

The rearranging or recombine of atoms or molecules to form new substances

Question 2

Law of conservation of matter

Answer 2

You can’t be God and create or loss things

Question 3

The left side of the chemical reaction arrow

Answer 3

Reactant

Question 4

—–>______

Answer 4

Product

Question 5

Exothermic reaction

Answer 5

(Heat or energy is on the right side of arrow) Chen reaction that releases thermal energy

Question 6

Endothermic reaction

Answer 6

Heat or light is on left side of arrow and heat energy is put into the reaction

Question 7

4 factors affecting the rate of reactions

Answer 7

Temp
Increased concentration
Surface area
Presence of a catalyst

Question 8

Types of reactions

Answer 8

Combination
Decomposition
Single displacement
Double displacement

Question 9

Acids

Answer 9

A chemical or compound that will produce or donate a hydrogen ion

Question 10

Bases/alkaline/caustic

Answer 10

Compounds that produce hydroxide ions

Question 11

The pH of blood

Answer 11

7.35-7.45

Question 12

Indicator

Answer 12

Compound that changes its molecular shape based on its acid base environment and that produces a color change

Question 13

Organic chemistry

Answer 13

The study of compounds that contain carbon

Question 14

Isomer

Answer 14

Two molecules of the same compound with different shape

Question 15

Emulsification

Answer 15

The process when large molecules of fat are broken into smaller molecules

Question 16

Polymers

Answer 16

Large chains of repeating chemical structure that are usually man made

Question 17

Mers

Answer 17

The respecting pieces in a polymer