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.