Chemistry Ch. 11!

double replacement reaction

A ________________ is a chemical change involving an exchange of positive ions between two compounds.

Dalton said that the atoms of reactants are rearranged to form new substances as products

How did John Dalton explain a chemical reaction using his atomic theory?

CS2 + 3Cl2 ---> CCl4 + S2Cl2

Balance this equation: CS2 + Cl2 ---> CCl4 + S2Cl2

3Zn(OH)2 + 2H3PO4 ---> Zn3(PO4)2 + 6H2O

Balance this equation: Zn(OH)2 + H3PO4 ---> Zn3(PO4)2 +H2O

2AgNO3 + H2S ---> Ag2S + 2HNO3

Balance this equation: AgNO3 + H2S ---> Ag2S + HNO3

FeCl3 + 3NaOH ---> Fe(OH)3 + 3NaCl

Balance this equation: FeCl3 + NaOH ---> Fe(OH)3 + NaCl

By using the general rules for solubility of ionic compounds

How can you predict the formation of a precipitate?

(aq)

The ___ sign is used to show that it is an aqueous solution (usually placed after the solution).

(g)

The ___ sign is used to show that the reactant/product is in a gaseous state.

(I)

The ___ sign is used to show that the reactant/product is in a liquid state.

(s)

The ___ sign is used to show that the reactant/product is in a solid state.

activity series

The ______________ list metals in order of decreasing reactivity... a reactive metal will replace any metal listed below it.

water and oxygen gas

What does hydrogen peroxide form when it decomposes?

C4H8 + 6O2 ---> 4CO2 + 4H2O

Write a balanced chemical equation for complete combustion of the compound: butene (C4H8)

S(s) + O2(g) ---> SO2(g)

Write a chemical equation for this skeleton reaction: Sulfur burns in oxygen to form sulfur dioxide.

When a solid sodium is dropped into water, hydrogen gas and aqueous sodium hydroxide are produced.

Write a sentence describing this chemical equation: Na(s) + H2O(I) ---> NaOH(aq) + H2(g)

Gaseous ammonia and oxygen react in the presence of a platinum catalyst to produce nitrogen monoxide gas and water vapor

Write a sentence that completely describes the chemical reaction in this skeleton equation: NH3(g) + O2(g) --(ppt)---> NO(g) + H2O(g)

Aqueous solutions of sulfuric acid and barium chloride are mixed to produce a precipitate of barium sulfate and aqueous solution of nitrous acid

Write a sentence that completely describes the chemical reaction in this skeleton equation: H2SO4(aq) + BaCl2(aq) ---> BaSO4(s) + HCl(aq)

Ca(OH)2 + H2SO4 ---> CaSO4 + 2H2O

Write and balance this equation: calcium hydroxide + sulfuric acid ---> calcium sulfate + water

H2 + S ---> H2S

Write this equation as a balanced chemical equation: hydrogen + sulfur ---> hydrogen sulfide

2FeCl3 + 3Ca(OH)2 ---> 2Fe(OH)3 + 3CaCl2

Write this equation as a balanced chemical equation: iron(III) chloride + calcium hydroxide ---> iron(III) hydroxide + calcium chloride

C4H10

butane

CH4

methane

C8H18

octane

C3H8

propane

combination, decomposition, single-replacement, double-replacement, and combustion

what are the 5 general types of reactions?

catalyst

A __________ is a substance that speeds up the reaction but is not used up in the reaction.

combination reaction

A ___________ is a chemical change in which two or more substances react to form a single new substance.

combustion reaction

A _____________ is a chemical change in which an element or a compound reacts with oxygen, often producing energy in the form of light or heat.

complete ionic equation

A _____________ is an equation that shows dissolved ionic compounds as dissociated free ions.

decomposition reaction

A ______________ is a chemical change in which a single compound breaks down into two or more simpler products.

single-replacement reaction

A _______________ is a chemical change in which one element replaces a second element in a compound.