HP Chemistry Unit 6

Question 1

Indications of a chemical reaction

Answer 1

1. evolution of heat/light
2. Production of a gas
3. Formation of a precipitate
4. Color change

Question 2

Diatomic elements sulfur

Answer 2

S8

Question 3

Diatomic element phophorus

Answer 3

P4

Question 4

Coefficient

Answer 4

Used to balabced chemical equations

Question 5

Small whole number

Answer 5

Used the smallest ratio possible

Question 6

ppt

Answer 6

percitate

Question 7

Metal+Nonmetal

Answer 7

Salt

Question 8

Metal oxide+Water

Answer 8

Metal hydroxide

Question 9

Nonmetal oxide +Metal oxide

Answer 9

Salt

Question 10

Metal carbonate

Answer 10

Metal oxide+Carbon dioxide

Question 11

Metal chlorate

Answer 11

Metal chloride+oxygen

Question 12

Metal hydroxide

Answer 12

Metal oxide+water

Question 13

Hydrogen peroxide(H2O2)

Answer 13

Water+Oxygen

Question 14

Metal+Water

Answer 14

Metal hydroxide+Hydrogen

Question 15

Hydrocarbonic

Answer 15

Methane+oxygen=carbon dioxide+water

Question 16

Combustion Reation

Answer 16

A substance combines with oxygen, releasing a large amount of energy in form of light and heat.

Question 17

Double Reaction

Answer 17

The ions of two compounds exchange places in an aqueous solution to form two new compounds.

Question 18

`Single Replacement Reaction

Answer 18

One element replaces a similar in a compound.

Question 19

Decomposition

Answer 19

A single compound undergoes a reaction that produces two or more simpler substances

Question 20

Synthesis or Combination

Answer 20

Two or more substances combine to form a new compound.