Chem 10

Question 1

If its soulble ..

Answer 1

forms a precipate

Question 2

Exothermic reactions

Answer 2

When heat/light are a product

Question 3

Endothermic reactions

Answer 3

When heat/light are a reactant

Question 4

How do you name bases

Answer 4

same as ionic compounds

Question 5

Naming acids:
-Hydrogen - ide

Answer 5

Hydro-ic

Question 6

Naming acids
-Hydrogen -ate

Answer 6

ic-acid

Question 7

Naming acids
-Hydrogen -ite

Answer 7

ous acid

Question 8

Iron (III) phosphide reacts with oxygen.

Answer 8

4FeP3 + 3O2 -> 2Fe2O3 + 3P4

Question 9

Methane burns.

Answer 9

CH4 + 2O2 -> Co2 + 2H2O

Question 10

Determine the reaction:
NH 3 + HCl → NH 4 Cl

Answer 10

Formation

Question 11

Determine the reaction:
C 12 H 22 O 11 + O 2 → CO 2 + H 2 O

Answer 11

combustion

Question 12

Determine the reaction:
Al 2 S 3 → Al + S 8

Answer 12

decomposition

Question 13

Determine the reaction:
NaOH + CuSO 4 → Na 2 SO 4 + Cu(OH) 2

Answer 13

double

Question 14

Determine the reaction:
Cl 2 + KBr → KCl + Br 2

Answer 14

single

Question 15

Solid potassium chlorate decomposes into oxygen gas and solid potassium
chloride.

Answer 15

2KCIO3 -> 3O2 + 2KCl

Question 16

Aqueous cobalt (III) nitrate reacts with solid zinc to produce aqueous zinc nitrate and solid cobalt.

Answer 16

2Co(NO3)3 + 3Zn-> 3Zn(NO3)2 +2Co

Question 17

Water is a ..

Answer 17

Compound

Question 18

Copper is a..

Answer 18

Element

Question 19

Fruit smoothie is a …

Answer 19

Mech. mix.

Question 20

Salt water is a ….

Answer 20

solution

Question 21

Explain why elements that are part of the “Noble Gas” family do not react to
form compounds.

Answer 21

Noble gases has completely filled outer shell/valence shell

Question 22

Ionic is what..

Answer 22

Metal + non metal

Question 23

Molecular is what..

Answer 23

2 non metals

Question 24

Name: SiO2

Answer 24

silicon dioxide

Question 25

Name: Rb2O

Answer 25

Rubidium oxide

Question 26

Name: CaSO4

Answer 26

Calcium sulfate

Question 27

Name: PH3

Answer 27

Phosprous trihydride

Question 28

Name: Ti3P4

Answer 28

titanium phosphide

Question 29

Iron (iii) bromide

Answer 29

FeBr₃

Question 30

Copper (i) hydroxide

Answer 30

CuOH

Question 31

dinitrogen tetrachloride

Answer 31

N₂Cl₄

Question 32

difference in melting point, conductivity and form for molecular:

Answer 32

Low melting point, low conductivity and made of 2 non metals

Question 33

combustibility is chem or phs.

Answer 33

chem.

Question 34

Acids have lots of

Answer 34

H+

Question 35

Bases have lots of

Answer 35

OH-

Question 36

what’s molar mass

Answer 36

a substance is determined by adding up the atomic masses of all the atoms in its chemical formula.

Question 37

how do you find mol?

Answer 37

you divide the mass of the substance by its molar mass.