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3 As2O3 + 30 Ca(OH) = 10 Ca3 + 3(AsO4)2 + 15 H2O
Na3PO4 + HNO3 = H3PO4 + NaNO3 =>
Na3PO4 + 3 HNO3 = H3PO4 + 3 NaNO3
CaCl2 + HSO3Na = Ca(HSO3)2 + NaCl =>
CaCl2 + 2 HSO3Na = Ca(HSO3)2 + 2 NaCl
HCl + BaSO3 = BaCl2 + SO2 + H2O =>
2 HCl + BaSO3 = BaCl2 + SO2 + H2O
(NH4)2HPO4 + Ca(OH)2 = NH4OH + Ca3(PO4)2 + H2O =>
2(NH4)2HPO4 + 3 Ca(OH)2 = 4 NH4OH + Ca3(PO4)2 + 2 H2O
HNO3 + H2SO4 + Al(OH)3 = AlSO4NO3 + H2O =>
HNO3 + H2SO4 + Al(OH)3 = AlSO4NO3 + 3 H2O
Zn + S4 = Zn2S =>
8 Zn + S4 = 4 Zn2S
Zn + C = ZnC2 =>
Zn + 2 C = ZnC2
(NH4)2HPO4 + Ca(OH)2 = Ca3(PO4)2 + (NH4)3PO4 + H2O =>
6(NH4)2HPO4 + 3 Ca(OH)2 = Ca3(PO4)2 + 4(NH4)3PO4 + 6 H2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
C2H4Br2 + HBr = C2H5Br + Br2 =>
C2H4Br2 + HBr = C2H5Br + Br2
VO2 + SO3 = V + SO4 =>
VO2 + 2 SO3 = V + 2 SO4
C2H4O2 + O2 = CO + H2O =>
C2H4O2 + O2 = 2 CO + 2 H2O
CH3OH + NH3 = (CH3)2NH + H2O =>
2 CH3OH + NH3 = (CH3)2NH + 2 H2O
KOH + HC1 = H2O + KC1 =>
KOH + HC1 = H2O + KC1
Li3N + HOH = NH3 + LiOH =>
Li3N + 3 HOH = NH3 + 3 LiOH
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
HClO3 + Al(OH)3 = Al(ClO3)3 + H2O =>
3 HClO3 + Al(OH)3 = Al(ClO3)3 + 3 H2O
LiI + Br = LiBr + I2 =>
2 LiI + 2 Br = 2 LiBr + I2
Zn + HNO3 = ZnO32 + N2 + H2O =>
5 Zn + 64 HNO3 = 5 ZnO32 + 32 N2 + 32 H2O
Cd + Pb(NO3)2 = Cd(NO3) + Pb =>
2 Cd + Pb(NO3)2 = 2 Cd(NO3) + Pb
NaOH + BaBr2 = NaBr + Ba(OH)2 =>
2 NaOH + BaBr2 = 2 NaBr + Ba(OH)2
NaAl(OH)4 + HNO3 = Al(NO3)3 + NaNO3 + H2O =>
NaAl(OH)4 + 4 HNO3 = Al(NO3)3 + NaNO3 + 4 H2O
calcium + oxygen + carbondioxide = calciumcarbonate =>
2 Ca + O2 + 2 CO2 = 2 CaCO3
CaO + MnI4 = MnO2 + CaI2 =>
2 CaO + MnI4 = MnO2 + 2 CaI2
BaCl2 + NaF = Na + Cl + BaF =>
BaCl2 + NaF = Na + 2 Cl + BaF
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Au + NaCN + O2 + H2O = NaAu(CN)2 + NaOH =>
4 Au + 8 NaCN + O2 + 2 H2O = 4 NaAu(CN)2 + 4 NaOH
Fe + N = Fe2N3 =>
2 Fe + 3 N = Fe2N3
[Co(NH3)5Br]Br2 + H2O = [Co(NH3)5H2O]Br3 =>
[Co(NH3)5Br]Br2 + H2O = [Co(NH3)5H2O]Br3
Li + H3PO4 = Li3PO4 + H2 =>
6 Li + 2 H3PO4 = 2 Li3PO4 + 3 H2
CuCl2(aq) + Zn(s) = ZnCl2(aq) + Cu(a) =>
CuCl2(aq) + Zn(s) = ZnCl2(aq) + Cu(a)
Iron(ii)chloride + chlorine = iron(iii)chloride =>
2 FeCl2 + Cl2 = 2 FeCl3
BaI2(aq) + AgNo3(aq) = Ba(No3)2(aq) + AgI(s) =>
BaI2(aq) + 2 AgNo3(aq) = Ba(No3)2(aq) + 2 AgI(s)
AgNO3 + Na2CO3 = Ag2CO3 + NaNO3 =>
2 AgNO3 + Na2CO3 = Ag2CO3 + 2 NaNO3
MgO + CH3COOH = Mg(CH3COO)2 + H2O =>
MgO + 2 CH3COOH = Mg(CH3COO)2 + H2O
C6H13Br + H2O = C6H13OH + HBr =>
C6H13Br + H2O = C6H13OH + HBr
A1I3 + Br = A1Br3 + I2 =>
2 A1I3 + 6 Br = 2 A1Br3 + 3 I2
Ba(No3)2 + Fe(NO3)3 = Ba(NO3)2 + Fe(No3)3 =>
3 Ba(No3)2 + 2 Fe(NO3)3 = 3 Ba(NO3)2 + 2 Fe(No3)3
NO2 + Ba(OH)2 = Ba(NO3)2 + H2O + NO =>
3 NO2 + Ba(OH)2 = Ba(NO3)2 + H2O + NO
N2H8Cr2O7 + KIO3 + N2H4SC = N2 + I2 + CO2 + H2O + SO2 + K2CrO4 =>
6 N2H8Cr2O7 + 24 KIO3 + 7 N2H4SC = 13 N2 + 12 I2 + 7 CO2 + 38 H2O + 7 SO2 + 12 K2CrO4
Al + Na2O = Al2O3 + Na =>
2 Al + 3 Na2O = Al2O3 + 6 Na
CO2 + Ca(OH)2 = CaCO3 + H2O =>
CO2 + Ca(OH)2 = CaCO3 + H2O
Mg + F = MgF2 =>
Mg + 2 F = MgF2
Fe2S3 + Cl2 = FeCl3 + S8 =>
8 Fe2S3 + 24 Cl2 = 16 FeCl3 + 3 S8
Br2 + H2S + H2O = HBr + H2SO4 =>
4 Br2 + H2S + 4 H2O = 8 HBr + H2SO4
MgHCl = MgClH =>
MgHCl = MgClH
Cl + Br = ClBr4 =>
Cl + 4 Br = ClBr4
Ca(OH)2 + Pb(NO3)2 = Ca(NO3)2 + Pb(OH)2 =>
Ca(OH)2 + Pb(NO3)2 = Ca(NO3)2 + Pb(OH)2
H2 + Ag{+} = H{+} + Ag =>
H2 + 2 Ag{+} = 2 H{+} + 2 Ag
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