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CuBr2 + K2CO3 = CuCO3 + 2 KBr
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Fe2O3 + K2C2O4 = Fe2(C2O4)3 + K2O =>
Fe2O3 + 3 K2C2O4 = Fe2(C2O4)3 + 3 K2O
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
Na3[Al(OH)6] + HBr = NaBr + H2O + AlBr3 =>
Na3[Al(OH)6] + 6 HBr = 3 NaBr + 6 H2O + AlBr3
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
SO2 + H2O = H2SO3 =>
SO2 + H2O = H2SO3
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
H{+} + VO3{-} + SO2 = SO4{2-} + VO{2+} + H2O =>
4 H{+} + 2 VO3{-} + SO2 = SO4{2-} + 2 VO{2+} + 2 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
KNO3 + FeSO4 + H2SO4 = Fe2(SO4)3 + NO + K2SO4 + H2O =>
2 KNO3 + 6 FeSO4 + 4 H2SO4 = 3 Fe2(SO4)3 + 2 NO + K2SO4 + 4 H2O
(NH4)2Co3 + O2 = NH3 + H2O + Co2 =>
2(NH4)2Co3 + O2 = 4 NH3 + 2 H2O + 3 Co2
Pb + KI = PbI2 + K =>
Pb + 2 KI = PbI2 + 2 K
Cu(s) + Na2SO4(aq) = Na(s) + CuSO4(aq) =>
Cu(s) + Na2SO4(aq) = 2 Na(s) + CuSO4(aq)
C + Cd(NO3)2 = CO2 + Cd + NO2 =>
C + Cd(NO3)2 = CO2 + Cd + 2 NO2
Al + ZnCl2 = Zn + AlCl3 =>
2 Al + 3 ZnCl2 = 3 Zn + 2 AlCl3
Na2ZnO2 + H2SO4 = H2ZnO2 + Na2SO4 =>
Na2ZnO2 + H2SO4 = H2ZnO2 + Na2SO4
SrCl2(aq) + (NH4)2CO3(aq) = SrCO3 + NH4Cl(aq) =>
SrCl2(aq) + (NH4)2CO3(aq) = SrCO3 + 2 NH4Cl(aq)
Cl2 + Br2 + H2O = HBr + HClO3 =>
Cl2 + 5 Br2 + 6 H2O = 10 HBr + 2 HClO3
As + NaOH = Na3AsO3 + H2 =>
2 As + 6 NaOH = 2 Na3AsO3 + 3 H2
C3H7COOH = CO2 + C3H8 =>
C3H7COOH = CO2 + C3H8
KCIO3 = KCI + O2 =>
2 KCIO3 = 2 KCI + 3 O2
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
F2 + H2O = OF2 + HF =>
2 F2 + H2O = OF2 + 2 HF
S8 + O2 = SO2 =>
S8 + 8 O2 = 8 SO2
HNo3 + Ca(OH)2 = H2O + Ca(No3)2 =>
2 HNo3 + Ca(OH)2 = 2 H2O + Ca(No3)2
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
BaCO3(s) = BaO(s) + C(s) + O2(g) =>
BaCO3(s) = BaO(s) + C(s) + O2(g)
BaI2 + H2SO4 = BaSO4 + I2 + H2S + H2O =>
4 BaI2 + 5 H2SO4 = 4 BaSO4 + 4 I2 + H2S + 4 H2O
NaNO3KMnO4 = KNO3NaMnO4 =>
NaNO3KMnO4 = KNO3NaMnO4
K3PO4 + HCl = KCl + H3PO4 =>
K3PO4 + 3 HCl = 3 KCl + H3PO4
Mg + H2SO4 = MgSO4 + H2 =>
Mg + H2SO4 = MgSO4 + H2
Zn + NO3{-} + H{+} = Zn{2+} + NH4 + H2O =>
9 Zn + 2 NO3{-} + 20 H{+} = 9 Zn{2+} + 2 NH4 + 6 H2O
NiCO3 = NiO + CO2 =>
NiCO3 = NiO + CO2
Fe2O3 + FeO = Fe3O4 =>
Fe2O3 + FeO = Fe3O4
N2H4 + N2O4 = NO + H2O =>
N2H4 + 2 N2O4 = 6 NO + 2 H2O
Mg3(PO4)2 + NaOH = Na3PO4 + Mg(OH)2 =>
Mg3(PO4)2 + 6 NaOH = 2 Na3PO4 + 3 Mg(OH)2
Mn2(SO4)3 + OH = Mn(OH)3 + SO4 =>
Mn2(SO4)3 + 6 OH = 2 Mn(OH)3 + 3 SO4
Na2S + (CH3COO)2Pb = (CH3COO)Na + PbS =>
Na2S + (CH3COO)2Pb = 2(CH3COO)Na + PbS
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
K2Cr2O7 + HCl + K2S = KCl + CrCl + S + H2O =>
K2Cr2O7 + 14 HCl + 5 K2S = 12 KCl + 2 CrCl + 5 S + 7 H2O
HIMg = MgIH =>
HIMg = MgIH
Al + ZnCl2 = Zn + AlCl3 =>
2 Al + 3 ZnCl2 = 3 Zn + 2 AlCl3
HBr + AI(HO)3 = AIBr3 + H2O =>
3 HBr + AI(HO)3 = AIBr3 + 3 H2O
Co(NO3)2 + KCN = K4[Co(CN)6] + KNO3 =>
Co(NO3)2 + 6 KCN = K4[Co(CN)6] + 2 KNO3
NaI(aq) + Pb(NO3)2(aq) = PbI2(s) + NaNO3(aq) =>
2 NaI(aq) + Pb(NO3)2(aq) = PbI2(s) + 2 NaNO3(aq)
H2C2O4*2H2O + K2C2O4*H2O + K2Cr2O7 = K3[Cr(C2O4)3]*3H2O + H2O + CO2 =>
7 H2C2O4*2H2O + 2 K2C2O4*H2O + K2Cr2O7 = 2 K3[Cr(C2O4)3]*3H2O + 17 H2O + 6 CO2
Ca3(PO4)2 + H2SO4 = Ca(SO4) + H3PO4 =>
Ca3(PO4)2 + 3 H2SO4 = 3 Ca(SO4) + 2 H3PO4
AgNO3 + Cu = AgCu + NO3 =>
AgNO3 + Cu = AgCu + NO3
KI + ICl = I2 + KCl =>
KI + ICl = I2 + KCl
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