Chapter 9 Tes

Question 1

substances you start w/

Answer 1

reactants

Question 2

one or more substances created by a chemical reaction -

Answer 2

product

Question 3

one or more substances changed into new substances w/ different chemical & physical properties

Answer 3

chemical reaction

Question 4

matter is neither created nor destroyed in a chemical reaction -

Answer 4

law of conservation of mass

Question 5

when balancing…. change ______________ and not __________

Answer 5

coeffiecients ; subscripts

Question 6

A + B —-> AB

Answer 6

synthesis

Question 7

ex. Fe + O2 —-> Fe2O3

Answer 7

synthesis

Question 8

AB —-> A + B

Answer 8

Decomposition Reaction

Question 9

ex. Li2S —–> Li + S8

Answer 9

Decomposition Reaction

Question 10

A + BC —–>

Answer 10

Single Replacement

Question 11

FeCl3 + Zn ——> Fe + ZnCl2

Answer 11

Single Replacement

Question 12

AB + CD ——> AD + CB

Answer 12

Double Replacement

Question 13

FeS + HCl ——> H2S + FeCl2

Answer 13

Double Replacement

Question 14

what are the 4 types of reactions -

Answer 14

1. Synthesis
2. Decomposition
3. Single Replacement
4. Double Replacement

Question 15

tendency of a metal to replace another metal in a compound

Answer 15

reactivity

Question 16

____________ increases as u go up the list

Answer 16

reactivity