chemistry ch 11

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combustion

C H+O2--->CO2+H2O OR (C+O2--->CO2)

Balance the equation and identify its type: Mg(s) + H2SO4(aq) -->MgSO4(aq) + H2(g)

Mg(s) + H2SO4(aq) -->MgSO4(aq) + H2(g) single-replacement

Write a balance chemical equation for the following combination reaction: sodium oxide + water

Na2O(s) + H2O(l) --> 2NaOH(aq)

Write balanced chemical equation for the double-replacement reactions that occur in aqueous solution: Sodium hydroxide reacts with nitric acid

NaOH(aq) + HNO3(aq) --> H2O(l) + NaNO3(aq)

Write balanced chemical equation for the double-replacement reactions that occur in aqueous solution: Zinc sulfide is added to sulfuric acid

ZnS(aq) + H2SO4(aq) --> H2S(g) + ZnSO4(aq)

Write a balanced chemical equation for the following: Mg(s) + O2(g) -->

2Mg(s) + O2(g) --> 2MgO(s)

The following equation is incorrect. Find the errors, then rewrite and balance the equation: NH3 --> N + H3

2NH3 --> N2 + 3H2

Balance the following equation: PbO2(s) --> PbO(s) + O2(g)

2PbO2(s) --> 2PbO(s) + O2(g)

Balance the following equation: CaCl2(aq) + H2SO4(aq) + CaSO4(s) + HCl(aq)

CaCl2(aq) + H2SO4(aq) + CaSO4(s) + 2HCl(aq)

Write a balanced equation for the following double-replacement reaction: CdBr2(aq) + Na2S(aq) --> (Cadmium sulfide is a precipitate)

CdBr2(aq) + Na2S(aq) --> CdS(s) + 2NaBr(aq)

The following equation is incorrect. Find the errors, then rewrite and balance the equation: Cl2 + NaI --> NaCl2 + I

Cl2 + 2NaI --> 2NaCl + I2

Write a balanced chemical equation and use the necessary symbols from Table 11.1 to describe the reaction completely: Bubbling chlorine gas through a solution of potassium iodide gives elemental iodine and a solution of potassium chloride

Cl2(g) + 2Kl(aq) --> I2(aq) + 2KCl(aq)

Write a balanced chemical equation for the decomposition reaction: ammonium nitrate --> dinitrogen monoxide + water

NH4NO3 --> N2O + 2H2O

Write a balanced chemical equation and use the necessary symbols from Table 11.1 to describe the reaction completely: Solid tetraphosphorus decaoxide reacts with water to produce phosphoric acide

P4O10(s) + 6H2O(l) --> 4H3PO4(aq)

What is a spectator ion?

an ion that does not participate in the reaction

Complete the equation and then write a net ionic equation: Au(s) + HCl(aq) -->

no reaction

Use the activity series of metals to write a balanced chemical equation for the following single-replacement reaction: Au(s) + KNO3(aq) -->

no reaction

Use the activity series of metals to write a balanced chemical equation for the following single-replacement reaction: Zn(s) + AgNO3(aq) -->

Zn(s) + 2AgNO3(aq) --> Zn(NO3)2(aq) + 2Ag(s)

What is a distinguishing feature of every decomposition reaction?

a single reactant

Balance the following equation: (NH4)2CO3(s)-->NH3(g) + H2O(g) + CO2(g)

(NH4)2CO3(s)-->2NH3(g) + H2O(g) + CO2(g)

Use the activity series of metals to write a balanced chemical equation for the following single-replacement reaction: AL(s) + H2SO4(aq) -->

2AL(s) + 3H2SO4(aq) --> AL2(SO4)3(aq) + 3H2(g)

Write a balanced chemical equation for the decomposition reaction: Ag2O(s) -->

2Ag2O --> 4Ag + O2

Complete the equation and then write a net ionic equation: Al(s) + H2SO4(aq) -->

2Al(s) + 6H+(aq) --> 2AL3+(aq) + 3H2(g)

Balance the equation and identify its type: C2H6(g) + O2(g) -->CO2(g) + H2O(g)

2C2H6(g) + 7O2(g) -->4CO2(g) + 6H2O(g) combustion

Balance the following equation: Fe(OH)3(s) -->Fe2O3(s) + H2O(s)

2Fe(OH)3(s) -->Fe2O3(s) + 3H2O(s)

Write a balanced chemical equation and use the necessary symbols from Table 11.1 to describe the reaction completely: Bubbles of hydrogen gas and aqueous iron (III) chloride are produced when metallic iron is dropped into hydrochloric acid

2Fe(s) + 6HCl(aq) --> 2FeCl3 (aq) + 3H2(g)

Write balanced chemical equation for the double-replacement reactions that occur in aqueous solution: solutions of potassium flouride and calcium nitrate are mixed

2KF(aq) + Ca(NO3)2(aq) --> CaF2(s) + 2KNO3(aq)

Balance the equation and identify its type: Hf(s) + N2(g) -->Hf3N4(s)

3Hf(s) + 2N2(g) -->Hf3N4(s) combination

The following equation is incorrect. Find the errors, then rewrite and balance the equation: Na + O2 --> NaO2

4Na + O2 --> 2Na2O

Write a balanced chemical equation for the following: P(s) + O2(g) -->diphosphorus pentoxide

4P(s) + 5O2(g) -->2P2O5(s)

combination or synthesis

A+B---> AB

single replacement

A+BC--->AC+B

Double replacement

AB+CD---> AD+CB

decombination

AB--->A+B

Write a balanced net ionic equation for the following reaction: AgNO3(aq) + AlCl3(aq) --> (silver chloride is a precipitate)

Ag+(aq) + Cl-(aq) -->AgCl(s)

Write a balanced equation for the complete combustion of propanal (C3H6O)

C3H6O(l) + 4O2(g) --> 3CO2(g) + 3H2O(g)

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

C4H8(g) + 6O2(g) --> 4CO2(g) + 4h2O(g)

Write a balanced chemical equation for the following: Ca(s) + S(s) -->

Ca(s) + S(s) --> CaS(s)

Complete the equation and then write a net ionic equation: HCl(aq) + Ba(OH)2(aq)-->

H+(aq) + OH-(aq) --> H2O(l)

Write a balanced net ionic equation for the following reaction: HCl(aq) + Ca(OH)2(aq) -->

H+(aq) + OH-(aq) -->H2O(l)

Write a balanced equation for the following double-replacement reaction: H2C2O4(aq) + KOH(aq) -->

H2C2O4(aq) + 2KOH(aq) --> K2C2O4(aq) + 2H2O(l)

Balance the equation and identify its type: Pb(NO3)2(aqA) + NaI(aq)-->PbI2(s) + NaNO3(aq)

Pb(NO3)2(aqA) + 2NaI(aq)-->PbI2(s) + 2NaNO3(aq) double replacement

Identify the reactants and products in the chemical reaction: hydrogen gas and sodium hydroxide are formed when sodium is dropped into water

Reactants: sodium and water Products: hydrogen and sodium hydroxide


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