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Zn2O2 + 4 HCl = 2 ZnCl2 + 2 H2O
Pb2 + Zn(NO3)2 = Pb(NO3)2 + Zn2 =>
Pb2 + 2 Zn(NO3)2 = 2 Pb(NO3)2 + Zn2
HgO + Cu = CuO + Hg =>
HgO + Cu = CuO + Hg
FeCu3 + KOH = Fe(OH)3 + KCu =>
FeCu3 + 3 KOH = Fe(OH)3 + 3 KCu
Mg + CO2 = MgCO3 + C =>
2 Mg + 3 CO2 = 2 MgCO3 + C
KNO3(c) = KNO2 + O =>
KNO3(c) = KNO2 + O
PbOH + HPO4 = Pb(PO4) + H2O =>
PbOH + HPO4 = Pb(PO4) + H2O
Co(s) + O2(g) = Co2O3(s) =>
4 Co(s) + 3 O2(g) = 2 Co2O3(s)
Pbl(NO3)2 + K = K(NO3)2 + Pbl2 =>
2 Pbl(NO3)2 + 2 K = 2 K(NO3)2 + Pbl2
NaOH + Cl2O7 = NaClO4 + H2O =>
2 NaOH + Cl2O7 = 2 NaClO4 + H2O
Ni2Cl + O = Ni2O2 + Cl2O5 =>
2 Ni2Cl + 9 O = 2 Ni2O2 + Cl2O5
KI + NH3 = KH3 + NI =>
KI + NH3 = KH3 + NI
N2 + H2 = NH =>
N2 + H2 = 2 NH
HI + AgBr = AgI + HBr =>
HI + AgBr = AgI + HBr
octane + oxygen = water + carbonmonoxide =>
2 C8H18 + 17 O2 = 18 H2O + 16 CO
Zn(ClO3)2Hg = Hg(ClO3)2Zn =>
Zn(ClO3)2Hg = Hg(ClO3)2Zn
AI + HCI = AICI + H2 =>
2 AI + 2 HCI = 2 AICI + H2
C6H12O6 + CO2 = C4H6O4 + H2O =>
7 C6H12O6 + 6 CO2 = 12 C4H6O4 + 6 H2O
HNO2 + Na2SO4 = H2SO4 + NaNO2 =>
2 HNO2 + Na2SO4 = H2SO4 + 2 NaNO2
FeCu3 + KOH = Fe(OH)3 + KCu =>
FeCu3 + 3 KOH = Fe(OH)3 + 3 KCu
Ca(NO3)2 + MgCl2 = CaCl2 + Mg(NO3)2 =>
Ca(NO3)2 + MgCl2 = CaCl2 + Mg(NO3)2
K2C2O4 + H2SO4 = K2SO4 + C2H2O4 =>
K2C2O4 + H2SO4 = K2SO4 + C2H2O4
MgSiO3 + Al2O3 = Mg2SiO4 + Mg2Al4Si5O18 =>
8 MgSiO3 + 2 Al2O3 = 3 Mg2SiO4 + Mg2Al4Si5O18
Fe2(SO4)3 + Ca(C2H3O2)2 = Fe(C2H3O2)3 + CaSO4 =>
Fe2(SO4)3 + 3 Ca(C2H3O2)2 = 2 Fe(C2H3O2)3 + 3 CaSO4
Fe + O2 + H2O = Fe(OH)3 =>
4 Fe + 3 O2 + 6 H2O = 4 Fe(OH)3
Fe + Cr2O3 = Fe2O3 + CrO =>
2 Fe + 3 Cr2O3 = Fe2O3 + 6 CrO
ABX = AXB =>
ABX = AXB
carbondisulfide + chlorinegas = carbontetrachloride + sulfurdichloride =>
CS2 + 4 Cl2 = CCl4 + 2 SCl2
FeCu3 + KOH = Fe(OH)3 + KCu =>
FeCu3 + 3 KOH = Fe(OH)3 + 3 KCu
(a)K2SO4(aq) + Al(s) = Al2(SO4)3(aq) + K(s) =>
3(a)K2SO4(aq) + 2 Al(s) = Al2(SO4)3(aq) + 6 K(s)
FeCu3 + KOH = Fe(OH)3 + KCu =>
FeCu3 + 3 KOH = Fe(OH)3 + 3 KCu
Fe(NO3)3 + NH3H2O = Fe(OH)3 + NH4NO3 =>
Fe(NO3)3 + 3 NH3H2O = Fe(OH)3 + 3 NH4NO3
FeCu3 + KOH = Fe(OH)3 + KCu =>
FeCu3 + 3 KOH = Fe(OH)3 + 3 KCu
Ag{+} + SO3{2-} = Ag2SO3 =>
2 Ag{+} + SO3{2-} = Ag2SO3
FeCu3 + KOH = Fe(OH)3 + KCu =>
FeCu3 + 3 KOH = Fe(OH)3 + 3 KCu
Cu(OH)2ZnCl2 = Zn(OH)2CuCl2 =>
Cu(OH)2ZnCl2 = Zn(OH)2CuCl2
FeCu3 + KOH = Fe(OH)3 + KCu =>
FeCu3 + 3 KOH = Fe(OH)3 + 3 KCu
Pb(NO3)2 + NHOH = NHNO3 + Pb(OH)2 =>
Pb(NO3)2 + 2 NHOH = 2 NHNO3 + Pb(OH)2
Be(OH)2 + SO2 = BeSO3 + H2O =>
Be(OH)2 + SO2 = BeSO3 + H2O
HCOOCH2CH2CH3 + H2O = HCOOH + CH3CH2CH2OH =>
HCOOCH2CH2CH3 + H2O = HCOOH + CH3CH2CH2OH
K + Cl2 = KCl(s) =>
2 K + Cl2 = 2 KCl(s)
Ca(OH)2 + HCCH = CaC2 + H2O =>
Ca(OH)2 + HCCH = CaC2 + 2 H2O
NH4OH + X = NH4X + OH =>
NH4OH + X = NH4X + OH
NaBr + CaF2 = NaF + CaBr2 =>
2 NaBr + CaF2 = 2 NaF + CaBr2
AlCl3 + Zn(NO3)2 = Al(NO3)3 + ZnCl2 =>
2 AlCl3 + 3 Zn(NO3)2 = 2 Al(NO3)3 + 3 ZnCl2
Zn + CuSO4 = ZnSO4*Cu =>
Zn + CuSO4 = ZnSO4*Cu
Na + Al(OH)4 = NaAlO2 + H2O =>
Na + Al(OH)4 = NaAlO2 + 2 H2O
Cr{2+} + MnO4{-} + OH{-} = CrO4{2-} + MnO2 + H2O =>
3 Cr{2+} + 4 MnO4{-} + 8 OH{-} = 3 CrO4{2-} + 4 MnO2 + 4 H2O
CO2 + Na2O2 = Na2CO3 + O3 =>
3 CO2 + 3 Na2O2 = 3 Na2CO3 + O3
Zh + HCl = ZhCl + H =>
Zh + HCl = ZhCl + H
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