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H2S + 2 KOH = K2S + 2 H2O
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
Magnesium + Sulfur = MgS =>
Mg + S = MgS
Ca(OH)2 + HBr = CaBr2 + H2O =>
Ca(OH)2 + 2 HBr = CaBr2 + 2 H2O
Co2 + HNO3 = Co(NO3) + NO + H2O =>
3 Co2 + 8 HNO3 = 6 Co(NO3) + 2 NO + 4 H2O
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
H3PO4 + FeBr3 = HBr + FePO4 =>
H3PO4 + FeBr3 = 3 HBr + FePO4
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
Fe3O4(s) + O2(g) = Fe2O3(s) =>
4 Fe3O4(s) + O2(g) = 6 Fe2O3(s)
CH3NO2 + Zn + H2SO4 = CH3NH3HSO4 + H2O + ZnSO4 =>
CH3NO2 + 3 Zn + 4 H2SO4 = CH3NH3HSO4 + 2 H2O + 3 ZnSO4
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
Ca + Zn(O2CCH3)2 = Ca(O2CCH3)2 + Zn =>
Ca + Zn(O2CCH3)2 = Ca(O2CCH3)2 + Zn
V + H{2}TeO{4} = V{2}(TeO4)5 + H2 =>
2 V + 2 H{2}TeO{4} = 2 V{2}(TeO4)5 + H2
I2(H2O) + KI = KI3 + H2O =>
I2(H2O) + KI = KI3 + H2O
CaSO4H2O + Na = Ca + NaSO4 + H2O =>
CaSO4H2O + Na = Ca + NaSO4 + H2O
K2Cr2O7 + H2SO4 + HI = Cr2(SO4)3 + I2 + H2O + K2SO4 =>
K2Cr2O7 + 4 H2SO4 + 6 HI = Cr2(SO4)3 + 3 I2 + 7 H2O + K2SO4
NO2 + H20(water) = HNO3 + NO =>
40 NO2 + H20(water) = 20 HNO3 + 20 NO
NaCrO4 + AlBr3 = NaBr + Al(CrO4)3 =>
3 NaCrO4 + AlBr3 = 3 NaBr + Al(CrO4)3
SO2 + Fe = FeS2 + O2 =>
2 SO2 + Fe = FeS2 + 2 O2
K2Cr2O7 + KNO2 + H2O = Cr(OH)3 + KNO3 + KOH =>
K2Cr2O7 + 3 KNO2 + 4 H2O = 2 Cr(OH)3 + 3 KNO3 + 2 KOH
NaBO3 + H2O = NaH2O2 + H2BO3 =>
NaBO3 + 2 H2O = NaH2O2 + H2BO3
B + HNO3 = H3BO3 + NO2 =>
B + 3 HNO3 = H3BO3 + 3 NO2
Mg(aq) + HCl(aq) = H2(g) + MgCl2(aq) =>
Mg(aq) + 2 HCl(aq) = H2(g) + MgCl2(aq)
Na + N2 = Na{+} + N{-}3 =>
2 Na + N2 = 2 Na{+} + 2 N{-}3
C2H3O2 + H3O = HC2H3O2 + OH =>
2 C2H3O2 + H3O = 2 HC2H3O2 + OH
CH3NO2 + Zn + H2SO4 = CH3NH3HSO4 + H2O + ZnSO4 =>
CH3NO2 + 3 Zn + 4 H2SO4 = CH3NH3HSO4 + 2 H2O + 3 ZnSO4
HNO2 + H2O = NO3 + H =>
HNO2 + H2O = NO3 + 3 H
Fe(NO3)2 + NaOH = Fe(OH)2 + NaNO3 =>
Fe(NO3)2 + 2 NaOH = Fe(OH)2 + 2 NaNO3
Cl2 + J2 + H2O = HCl + HJO3 =>
5 Cl2 + J2 + 6 H2O = 10 HCl + 2 HJO3
S(iv) + O2 = SO2 =>
S(iv) + O2 = SO2
Na2O + (NH4)2 + SO4 = Na2SO4 + H2O + NH3 =>
Na2O + (NH4)2 + SO4 = Na2SO4 + H2O + 2 NH3
S(s) + HCl(aq) = SCl(aq) + H2(g) =>
2 S(s) + 2 HCl(aq) = 2 SCl(aq) + H2(g)
Pb + ZnCl2 = ZnPb + Cl2 =>
Pb + ZnCl2 = ZnPb + Cl2
C2H6O + KMnO4 + H2SO4 = CH3COOH + MnSO4 + K2SO4 + H2O =>
5 C2H6O + 4 KMnO4 + 6 H2SO4 = 5 CH3COOH + 4 MnSO4 + 2 K2SO4 + 11 H2O
Mg(NO3)2 + NH3 = Mg + NO3NH3 =>
Mg(NO3)2 + 2 NH3 = Mg + 2 NO3NH3
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
Fe(ClO3)3 = FeCl3 + O2 =>
2 Fe(ClO3)3 = 2 FeCl3 + 9 O2
PbCl + ZnS = PbS + ZnCl =>
PbCl + ZnS = PbS + ZnCl
Rb + RbNO3 = Rb2O + N2 =>
10 Rb + 2 RbNO3 = 6 Rb2O + N2
S(OH)2 + CaBr = Ca(OH)2 + SBr =>
S(OH)2 + CaBr = Ca(OH)2 + SBr
K3N + H2O = NH3 + KOH =>
K3N + 3 H2O = NH3 + 3 KOH
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
NaCl + H2O + CaO = CaCl2 + NaOH =>
2 NaCl + H2O + CaO = CaCl2 + 2 NaOH
Zn + Li2S = ZnS + Li =>
Zn + Li2S = ZnS + 2 Li
Xe + PtF6 = XeF + Pt2F11 =>
Xe + 2 PtF6 = XeF + Pt2F11
AgClO3 + NaCl = AgCl + NaClO3 =>
AgClO3 + NaCl = AgCl + NaClO3
FeCl2 + KNO3 + HCl = FeCl3 + NO + H2O + KCl =>
3 FeCl2 + KNO3 + 4 HCl = 3 FeCl3 + NO + 2 H2O + KCl
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
N2 + O2 = NO2 =>
N2 + 2 O2 = 2 NO2
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