Unit 5: Balancing And Stochiometry

Question 1

Redox

Answer 1

Chemical reaction the involves a transfer of electrons between two species

Question 2

Redox occurs with what types of reactions…

Answer 2

Anything except double replacement

Question 3

Precipitation

Answer 3

An insoluble product forms when two soluble substances react usually ionic

Question 4

Precipitation occurs with what types of reactions

Answer 4

Any types of double reaction

Question 5

Neutralization (acid-base)

Answer 5

When acid reacts with a base to form a water and a salt

Question 6

Neutralization occurs with what type of reactions

Answer 6

Any type of double replacement

Question 7

Gas- Forming

Answer 7

Forms a gas

Question 8

Oxidation rules

Answer 8

• oxidation of sole atoms is zero
• group one has a charge of 1+
• group two is 2+
• oxidation of fluorine is -1 in compounds
• hydrogen is 1+ unless bonded with a metal making it -1
• oxygen can be -2 or 1-
• binary ionic compounds

Question 9

Steps to completing an empirical formula

Answer 9

Convert to grams
Convert grams to moles using molar mass
Compare amounts of moles to find lowest whole number ratio

Question 10

Four types of driving forces

Answer 10

Redox
Neutralization
Acid- Base
Gas- Formation