Unit 4- Reaction Rule- Double Replacement

If there is a solid (insoluble) product, what type of reaction do you have?

Precipitation

H+ and OH- togHow maether create what?

H2O (l)

What type of reaction is H+ and OH- ===> H2O

Acid-Base Reaction

What is a gas-evolution reaction?

a reaction that produces a gas (oxygen, or carbon dioxide)

How many solid products do dissolved reactants from Precipitation reactions form?

1 or more

What is a combustion reaction?

Reaction of an element that then produces an oxide,

A combustion is a type of what reaction?

Redox reaction because of the presences of oxygen as a reactant and CO2 and water s a product

What is an Acid-Base reaction?

reaction involving the transfer of one or more electrons from one reactant to anotherW

What is another name for Acid-Base reaction?

Neutralization

In an acid-base reaction the solution is never what?

acidic or basic at the end

What is another product of an acid base reaction

Water and a Salt (ionic compound)

What is an oxidation-reduction reaction?

A reaction that involves the transfer of one or more electrons from one reactant to another

What happens to the oxidation number in an oxidation-reduction reaction?

the oxidation number loses or gains an electron

What is a gas evolution reaction?

A reaction with a gas PRODUCT but no gas reactants

What will one of the products most likely be in a gas evolution reaction?

Oxygen or Carbon Dioxide

Precipitation reaction could also be considered what?

Exchange of ions between ionic compounds in Aqueous solutions

What is a Double Displacement reaction also called?

Double replacement, methathesis

In a chemical equation, there needs to be what?

The same number of reactants and products- (BALANCED)

when balancing a chemical equation, what can you NOT change

Subscripts

A combination reaction will have what type of product?

synthesis

Single replacement will have what type of product

Single displacement

Double replacement will have what type of product?

Double replacement

Anything that contains what is soluble

Sodium

Are nitrates soluble?

yes nitrates are soluble

How do you know which product is solid in a Precipitation reaction?

Solubility rules; which ever is insoluble

2 aqueous solutions as products mean what?

NO REACTION

what is a net ionic equation?

a chemical equation in which only the ion s that actually go thru the chemical changes are shown in the equation

Ionic compounds that dissolve in solution will do what?

Separate into their ions

What are the ions called that don;t participate in the reaction?

Specatator ions

What do specatator ions do?

Remain unchanged in solution even when the compound formulas change

Net ionic equations do what with specatator ions?

Ignore them

what does the molecular equation show?

compounds only

Complete ionic equation

SHOWS All ions including spectators

A single replacement redox reaction is composed of what?

Metal and ionic compound

A combination redox reaction is composed of what?

metal and nonmetal

a combustion redox reaction is composed of what

O2 is always reactant

Organic combustion

rectants contain carbon, hydrogen, and oxygen (single) products are Co2, and H2o

When looking at oxidation reduction reactions look for change in number of what in metals?

change in number of electrons