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H2 + S + 2 OH{-} = S{2-} + 2 H2O
HNO3 + N2O = N2O3 + H2O =>
2 HNO3 + N2O = 2 N2O3 + H2O
Cu20 + O = CuO =>
Cu20 + 20 O = 20 CuO
CaF2 = Ca + F =>
CaF2 = Ca + 2 F
NO2{-} + Al + H2O = NH3 + Al(OH)4{-} + H{+} =>
NO2{-} + 2 Al + 6 H2O = NH3 + 2 Al(OH)4{-} + H{+}
SrO + HCl + H2O = Sr(ClO3)2 + H2 =>
SrO + 2 HCl + 5 H2O = Sr(ClO3)2 + 6 H2
P4O9 + NaOH = Na2HPO4 + Na2HPO3 + H2O =>
P4O9 + 8 NaOH = 3 Na2HPO4 + Na2HPO3 + 2 H2O
Fe(NO3)3 + CH3COOH = Fe(NO3)2(CH3COO) + HNO3 =>
Fe(NO3)3 + CH3COOH = Fe(NO3)2(CH3COO) + HNO3
PbSO3 + HNO3 = Pb(NO3)2 + SO2 + H2O =>
PbSO3 + 2 HNO3 = Pb(NO3)2 + SO2 + H2O
KOH + CH4 + H2O = K2CO3 + H2 =>
2 KOH + CH4 + H2O = K2CO3 + 4 H2
Na2Cr2O7 + Na2S + H2O = S + Cr(OH)3 + NaOH =>
Na2Cr2O7 + 3 Na2S + 7 H2O = 3 S + 2 Cr(OH)3 + 8 NaOH
(NH4)2SO4 + BaH2 = NH4H + BaSO4 =>
(NH4)2SO4 + BaH2 = 2 NH4H + BaSO4
K2SO4 + Ba{2+} = BaSO4 + K{+} =>
K2SO4 + Ba{2+} = BaSO4 + 2 K{+}
CO2 = CO + O2 =>
2 CO2 = 2 CO + O2
Au2S + [H] + NaOH = Au + NaHS + H2O =>
Au2S + 2[H] + NaOH = 2 Au + NaHS + H2O
Ag + H3Po4 = Ag3Po4 + H2 =>
6 Ag + 2 H3Po4 = 2 Ag3Po4 + 3 H2
Fe + AgNO3 = Ag + Fe(NO3) =>
Fe + AgNO3 = Ag + Fe(NO3)
Al2O3 + H2 = Al + H2O =>
Al2O3 + 3 H2 = 2 Al + 3 H2O
Pb(CH3COO)2 + FeCl3 = PbCl2 + Fe(CH3COO)3 =>
3 Pb(CH3COO)2 + 2 FeCl3 = 3 PbCl2 + 2 Fe(CH3COO)3
K2O + N2O3 = KNO2 =>
K2O + N2O3 = 2 KNO2
Fe + KClO3 + KOH = K2FeO4 + HCl =>
Fe + KClO3 + KOH = K2FeO4 + HCl
Cu + HNO3 = Cu2O + NO2 + H2O =>
2 Cu + 2 HNO3 = Cu2O + 2 NO2 + H2O
Sc2O3 + Cl2 + S2Cl2 = ScCl3 + SOCl2 =>
2 Sc2O3 + 9 Cl2 + 3 S2Cl2 = 4 ScCl3 + 6 SOCl2
Na2RuO4 + Cl2 = RuO4 + NaCl =>
Na2RuO4 + Cl2 = RuO4 + 2 NaCl
C2H2 + Br2 = Br4C2H2 =>
C2H2 + 2 Br2 = Br4C2H2
CaOH + SO2 = Ca2SO3 + H2O =>
2 CaOH + SO2 = Ca2SO3 + H2O
(C6H5CO)2O2 = C6H5CO2 =>
(C6H5CO)2O2 = 2 C6H5CO2
KCl + H3BO3 = K3BO3 + HCl =>
3 KCl + H3BO3 = K3BO3 + 3 HCl
Pd + Cl2 = PdCl4 =>
Pd + 2 Cl2 = PdCl4
CO(NH2)2 + H2SO4 + H2O = (NH4)2SO4 + CO2 =>
CO(NH2)2 + H2SO4 + H2O = (NH4)2SO4 + CO2
Al2(SO4)3 + NaOH = (Na)2SO4 + Al(OH)3 =>
Al2(SO4)3 + 6 NaOH = 3(Na)2SO4 + 2 Al(OH)3
Fe + Cr2O72{-} + H{+} = Fe{+} + Cr3{+} + H2O =>
427 Fe + 3 Cr2O72{-} + 432 H{+} = 427 Fe{+} + 2 Cr3{+} + 216 H2O
Cr(s) + SnCl4(s) = CrCl3(s) + Sn(s) =>
4 Cr(s) + 3 SnCl4(s) = 4 CrCl3(s) + 3 Sn(s)
Ca + H2O1 = Ca(OH)2 + H2 =>
Ca + 2 H2O1 = Ca(OH)2 + H2
ClO + H = Cl2 + H2O =>
2 ClO + 4 H = Cl2 + 2 H2O
C3H6 + NaMnO4 + H2O = C3H6O2 + MnO2 + NaOH =>
3 C3H6 + 4 NaMnO4 + 2 H2O = 3 C3H6O2 + 4 MnO2 + 4 NaOH
K[Al(OH)4] + HCl = KCl + H[Al(OH)4] =>
K[Al(OH)4] + HCl = KCl + H[Al(OH)4]
CuOHCl + HBr = CuOHBr + HCl =>
CuOHCl + HBr = CuOHBr + HCl
I + S = I(II)S =>
3 I + S = I(II)S
CaO + H2SO4 = CaSO4 + H2O =>
CaO + H2SO4 = CaSO4 + H2O
CoCl2(aq) = Co + Cl =>
CoCl2(aq) = Co + 2 Cl
HNO3 + N2O = N2O3 + H2O =>
2 HNO3 + N2O = 2 N2O3 + H2O
Zn + Ag = ZnAg2 =>
Zn + 2 Ag = ZnAg2
Bi(OH)3 + NaHSnO2 = Bi + NaHSnO3 + H2O =>
2 Bi(OH)3 + 3 NaHSnO2 = 2 Bi + 3 NaHSnO3 + 3 H2O
C17H31COOH + H2 = C17H35COOH =>
C17H31COOH + 2 H2 = C17H35COOH
Ag2O + C = CO24 + Ag =>
24 Ag2O + C = CO24 + 48 Ag
Ag + KI = AgKI =>
Ag + KI = AgKI
PbS + H2O = PbSO4 + H =>
PbS + 4 H2O = PbSO4 + 8 H
Mg + HBr = MgH2 + Br2 =>
Mg + 2 HBr = MgH2 + Br2
H2 + AgNO3 = HNO3 + Ag =>
H2 + 2 AgNO3 = 2 HNO3 + 2 Ag
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