Day 9 - Balancing Chemical Equation

Question 1

What are the different processes in balancing equation?

Answer 1

Combination or Synthesis
Decomposition
Substitution
Double Replacement

Question 2

It is the process when 2 or more substance form a single or more complex compound
A+B=AB

Answer 2

Composition or Synthesis

Question 3

It is the breakdown of a complex compound producing 2 or more simple substances. It is usually heat, light or electricity.
AB= A+B

Answer 3

Decomposition

Question 4

This is the replacement of a less active element by a more active element
CH3Cl + -OH = CH3OH + Cl-

Answer 4

Substitution

Question 5

It is the exchange of ions by 2 compounds or reactants

AY + BX = AX + BY

Answer 5

Double replacement

Question 6

Balance the equation and identify what process

Fe+Cl2 = FeCl3

Answer 6

2Fe+3Cl2 = 2FeCl3

Composition

Question 7

Balance the equation and identify what process

Fe+O2=Fe2O3

Answer 7

4Fe+3O2=2Fe2O3

Question 8

Balance the equation and identify what process

FeBr3+H2SO4=Fe2(SO4)3+HBr

Answer 8

2FeBr3+3H2SO4=Fe2(SO4)3+6HBr

Double replacement

Question 9

Balance the equation and identify what process

C7H16+O2=CO2+H2O

Answer 9

C7H16+11O2=7CO2+8H2O

Double Replacement