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18 Dec 2019

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1. Write the balanced chemical equation for the following reaction. Phrases are optional. A. Al4C3+HCl=ALCl3+CH4 B.Li+CO2+H20=LiHCO3+H2 C. CaH2+H2O=Ca(OH)2+H2

2.Determine whether each compound is soluble or insoluble in water. PbCl2, NiPO4, NaCl, KNO3,CuCO3

3.Determine whether each compound is soluble or insoluble in water. KCl(?)+Pb(NO3)2(?) = KNO3(?)+PbCl2(?). Using the solubility rules, which of the reactant or product will precipitate in aqueous solution? Pbcl2 KNO3 KCl Pb(NO3)2

3.Write the balanced chemical equation for the following reaction using lowest whole-number coefficients. Phases are optional. A.Aqueous solutions of calcium chloride and sodium hydroxide are mixed together forming solid calcium hydroxide and aqueous sodium chloride. B.The reaction of zinc metal and hydrochloric acid produces hydrogen gas and zinc chloride.

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Related questions

Write (1) a balanced molecular equation, (2) a total ionic equation, and (3) a net ionic equation that would describe a predicted reaction. Please pay attention to details such as charges (e.g. Ba2+ vs. Ba) and states (i.e. (aq), (s), (l), or (g) as appropriate). If a reaction is not predicted to occur (soluble salts on both sides of the equation), only the balanced molecular equation is needed.

 

sodium carbonate + sulfuric acid

Na2CO3 (aq)+ H2SO4(aq) -> Na2SO4(aq) + CO2 (g)+ H2O(l)

Na+(aq)+CO3^2−(aq)+2H+(aq)+SO4^2−(aq) ->H2O(l)+CO2(g)+2Na+(aq)+SO4^2−(aq)

CO3^2−(aq)+2H+(aq) -> H2O(l)+CO2(g)

 

sodiumcarbonate + hydrochloric acid

Na2CO3(aq) + HCl (aq)-> NaCl (aq)+ H2O (l)+ CO2(g)

Na+(aq) + CO3^-2 (aq)

 

potassium chloride + sodium carbonate

KCl (aq)+ Na2CO3 (aq)-> K2CO3 (aq)+ 2NaCl(aq)

 

potassium chloride + silver nitrate

KCl (aq)+ AgNO3 (aq) -> KNO3 (aq)+ AgCl (s)

 

potassium chloride + sodium nitrate

KCl (aq)+ NaNO3 (aq) ->  KNO3 (aq)+ NaCl(aq)

 

nickel chloride + silver nitrate

NiCl2 (aq)+ 2AgNO3(aq) ->  Ni (NO3)2(aq) + 2AgCl (s)

 

nickel chloride + sodium carbonate

KCl (aq)+ Na2CO3(aq) -> K2CO3 (aq)+ 2NaCl(aq)

 

hydrochloric acid + sodium hydroxide

HCl (aq)+ NaOH(aq) ->  NaCl(aq) + H2O(l)

 

Ammonium chloride + sodium hydroxide

NH4Cl(aq) + NaOH(aq) ->  NaCl(aq) + H2O (l)+ NH3(g)

 

sodium acetate + hydrochloric acid

CH3COONa (aq)+HCl (aq) ->  CH3COOH(aq) +NaCl(aq)

 

lead nitrate + sulfuric acid

Pb(NO3)2 (aq)+ H2SO4(aq) -> PbSO4 (aq)+ HNO3(aq)

 

1,Now that we have put a coefficient of 2 in front of NaNO3, what coefficient should go in front of PbCl2 to balance lead (Pb)?

Pb(NO3)2+NaCl→?PbCl2+2NaNO3

2.

When aluminum, Al, metal is dipped in an aqueous solution of hydrochloric acid, HCl, hydrogen gas, H2, is produced with the formation of an aluminum chloride, AlCl3, solution. Write the balanced chemical equation showing the phases of reactants and products.

Express your answer as a chemical equation including phases.

3.

Classify each of the following as a combination, decomposition, single replacement, double replacement, or combustion reaction.

Sort these reactions into the proper categories.

3H2(g)+N2(g)⟶2NH3(g)

2AgBr(s)⟶2Ag(s)+Br2(g)

Ba(NO3)2(aq)+K2CrO4(aq)⟶BaCrO4(s)+2KNO3(aq)

2C6H6(l)+15O2(g)⟶Δ12CO2(g)+6H2O(g)

Zn(s)+CuCl2(aq)⟶Cu(s)+ZnCl2(aq)

** WRITTE THE BALANCED NET IONIC EQUATION FOREACH REACTION AND TELL WHETHER THE ELEMENT OR COMPOUND IS AQ, GAS,LIQUID OR SOLID. PLEASE SHOW WORK AND I NEED THE NET IONICEQUATION!! NOT JUST THE BALANCED EQUATION!!!! STATE NR WHEN NOREACTION!!!!

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