Chemical Equations Vocab

Question 1

Reactants

Answer 1

Chemical substance you start with

Question 2

Inhibitors

Answer 2

Slow down or stop chemical reactions

Question 3

Catalyst

Answer 3

Speed up chemical reactions

Question 4

Enzyme

Answer 4

Protein based catalyst

Question 5

Products

Answer 5

Chemical substance after the reaction

Question 6

Conservation of Mass

Answer 6

Matter can be changed from one form to another, mixed, decomposed, but mass does not change

Question 7

Precipitate

Answer 7

substance to be deposited in solid form from a solution

Question 8

Matter

Answer 8

Anything that takes up space

Question 9

Color and shape are examples of a substance’s _________ property

Answer 9

Physical

Question 10

All enzymes are ___________, but not all ____________ are enzymes.

Answer 10

Catalysts; Catalysts

Question 11

What is an example of a common inhibitor and what does it do?

Answer 11

Inhibitors stop or slow down reactions. Ex: Salt is an inhibitor, Salt stops snow from rotting

Question 12

What are the five signs/evidence of a reaction?

Answer 12

Temperature change, color change, bubbles are formed, change in smell or taste, Precipitate is formed

Question 13

What speeds up digestion in the human stomach?

Answer 13

Enzymes

Question 14

In a chemical equation, what is found on the left side?

Answer 14

reactants

Question 15

The ____________ are the resulting substances after a reaction

Answer 15

Products

Question 16

What does the arrow symbolize in a chemical equation?

Answer 16

The arrow symbolizes what the reactants yield

Question 17

Open system

Answer 17

Matter and heat can be exchanged with the surrounding

Question 18

Closed system

Answer 18

Only heat is exchanges with the surrounding

Question 19

Give an example of a typical precipitate

Answer 19

Rain, Snow,Hail, etc

Question 20

The mass at the end of a reaction is always the same

Answer 20

True

Question 21

What type of reaction occurred in electrolysis

Answer 21

Decomposition