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2 KOH + Na2CO3 = K2CO3 + 2 NaOH
C2H4 + Br2 + H2O = C2H6O2 + HBr =>
C2H4 + Br2 + 2 H2O = C2H6O2 + 2 HBr
MgCl2 + K4P2O7 = Mg2P2O7 + KCl =>
2 MgCl2 + K4P2O7 = Mg2P2O7 + 4 KCl
MoCl5 + S = MoS2 + Cl =>
MoCl5 + 2 S = MoS2 + 5 Cl
HgS + Na2S = Na2(HgS2) =>
HgS + Na2S = Na2(HgS2)
K2SnO2 + KOH + Bi(NO3)3 = Bi + K2SnO3 + KNO3 + H2O =>
3 K2SnO2 + 6 KOH + 2 Bi(NO3)3 = 2 Bi + 3 K2SnO3 + 6 KNO3 + 3 H2O
Fe(CH3COO)3 + K2CO3 = Fe2(CO3)3 + KCH3COO =>
2 Fe(CH3COO)3 + 3 K2CO3 = Fe2(CO3)3 + 6 KCH3COO
SnCl2 + Hg = HgCl + Sn2 =>
2 SnCl2 + 4 Hg = 4 HgCl + Sn2
Na(s) + H2O = NaOH(aq) + H2(g) =>
2 Na(s) + 2 H2O = 2 NaOH(aq) + H2(g)
C6H5COOH(aq) + O2 = H2O + C6H5COO =>
4 C6H5COOH(aq) + O2 = 2 H2O + 4 C6H5COO
BaCO3 + H2SO4 = BaSO4 + CO2 + H2O =>
BaCO3 + H2SO4 = BaSO4 + CO2 + H2O
K2[Zn(OH)4] + ZnCl2 = Zn(OH)2 + KCl =>
K2[Zn(OH)4] + ZnCl2 = 2 Zn(OH)2 + 2 KCl
Ca(HCO3)2 + NaOH = NaHCO3 + CaCO3 + H2O =>
Ca(HCO3)2 + NaOH = NaHCO3 + CaCO3 + H2O
Hg2Cl2 + NH3 = Hg + HgNH2Cl + NH4{+} + Cl{-} =>
Hg2Cl2 + 2 NH3 = Hg + HgNH2Cl + NH4{+} + Cl{-}
C8H10 = C7H8 + CH4 =>
10 C8H10 = 11 C7H8 + 3 CH4
H3BO3 + SO3 + CaF2 = BF3 + CaSO4 + H2SO4 =>
2 H3BO3 + 6 SO3 + 3 CaF2 = 2 BF3 + 3 CaSO4 + 3 H2SO4
Pb(CH3COO)2 + H2 = Pb + CH3COOH =>
Pb(CH3COO)2 + H2 = Pb + 2 CH3COOH
HCl + K = H2 + KCl =>
2 HCl + 2 K = H2 + 2 KCl
AlPO4(s) + NaBr(aq) = AlBr + NaPO4 =>
AlPO4(s) + NaBr(aq) = AlBr + NaPO4
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Co(HCO3)3(s) + HCl(aq) = CoCl3(aq) + CO2(g) + H2O(l) =>
Co(HCO3)3(s) + 3 HCl(aq) = CoCl3(aq) + 3 CO2(g) + 3 H2O(l)
La10(NO3)30*62H2O + Mg(NO3)2*6H2O + Mn(NO3)2*4H2O = La60Mg40Mn100O300 + N + O + H =>
6 La10(NO3)30*62H2O + 40 Mg(NO3)2*6H2O + 100 Mn(NO3)2*4H2O = La60Mg40Mn100O300 + 460 N + 2092 O + 2024 H
NH3(s) + H2SO4(aq) = (NH4)2SO4(s) =>
2 NH3(s) + H2SO4(aq) = (NH4)2SO4(s)
B4H10 + H2O = H3BO3 + H2 =>
B4H10 + 12 H2O = 4 H3BO3 + 11 H2
K2SO4(aq) + Fe(NO3)3(aq) = KNO3(aq) + Fe2(SO4)3(aq) =>
3 K2SO4(aq) + 2 Fe(NO3)3(aq) = 6 KNO3(aq) + Fe2(SO4)3(aq)
Mg + ZnSO4 = Zn + Mg(SO4)3 =>
Mg + 3 ZnSO4 = 3 Zn + Mg(SO4)3
HCl + K = H2 + KCl =>
2 HCl + 2 K = H2 + 2 KCl
Pd + ZnSO4 = PdSO4 + Zn =>
Pd + ZnSO4 = PdSO4 + Zn
NH4NO2 + Ca(OH)2 = NH4OH + Ca(NO2)2 =>
2 NH4NO2 + Ca(OH)2 = 2 NH4OH + Ca(NO2)2
Al(NH3)6 + HCl = [Al(NH3)6]Cl3 + H =>
Al(NH3)6 + 3 HCl = [Al(NH3)6]Cl3 + 3 H
CaC2 + Na3PO4 = Ca3(PO4)2 + NaC =>
3 CaC2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaC
FeCl3 + NH4SCN = Fe(SCN)3 + NH4Cl =>
FeCl3 + 3 NH4SCN = Fe(SCN)3 + 3 NH4Cl
FeNO9 = FeO + NO2 + O2 =>
FeNO9 = FeO + NO2 + 3 O2
C5H11Br + KOH = C5H10 + KBr + H2O =>
C5H11Br + KOH = C5H10 + KBr + H2O
HNO3 + Zn = H2O + Zn(NO3) + NO =>
4 HNO3 + 3 Zn = 2 H2O + 3 Zn(NO3) + NO
S02 + O2 = SO3 =>
S02 + 3 O2 = 2 SO3
Zn + P = Zn2P2 =>
2 Zn + 2 P = Zn2P2
Cu{2+} + Na = Cu + Na{+} =>
Cu{2+} + 2 Na = Cu + 2 Na{+}
NaCl + K(OH) = Na(OH) + KCl =>
NaCl + K(OH) = Na(OH) + KCl
CrBr3(H2O)4 + AgNO3 = AgBr + Cr(NO3)3 + H2O =>
CrBr3(H2O)4 + 3 AgNO3 = 3 AgBr + Cr(NO3)3 + 4 H2O
Ca + HNO3 = CaHNO3 =>
Ca + HNO3 = CaHNO3
Ba + Cl = BaCl2 =>
Ba + 2 Cl = BaCl2
FeCl3 + NH4(CNS) + H2O = (Fe(H2O)(CNS))Cl2 + NH4Cl =>
FeCl3 + NH4(CNS) + H2O = (Fe(H2O)(CNS))Cl2 + NH4Cl
AgNO3 + Cr2S3O12 = Ag2SO4 + CrN3O9 =>
6 AgNO3 + Cr2S3O12 = 3 Ag2SO4 + 2 CrN3O9
Fe + LiBr = FeBr3 + Li =>
Fe + 3 LiBr = FeBr3 + 3 Li
K + H2S = K2S + H2 =>
2 K + H2S = K2S + H2
MnO2 + Na2CO3 + NaNO3 = Na2MnO4 + NaNO2 + CO2 =>
MnO2 + Na2CO3 + NaNO3 = Na2MnO4 + NaNO2 + CO2
CrSO4 + KMnO4 + HCl = Cr2(SO4)3 + CrCl3 + KCl + MnCl2 + H2O =>
15 CrSO4 + 3 KMnO4 + 24 HCl = 5 Cr2(SO4)3 + 5 CrCl3 + 3 KCl + 3 MnCl2 + 12 H2O
HI + S = H2S + I2 =>
2 HI + S = H2S + I2
H{+} + Hg2HPO4 + Au + Cl{-} = H2PO4{-} + Hg + AuCl4{-} =>
3 H{+} + 3 Hg2HPO4 + 2 Au + 8 Cl{-} = 3 H2PO4{-} + 6 Hg + 2 AuCl4{-}
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