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NiSO4 + 4 NaOH = Na2[Ni(OH)4] + Na2SO4
Zn + HNO3 = Zn(NO3) + NO + H2O =>
3 Zn + 4 HNO3 = 3 Zn(NO3) + NO + 2 H2O
BrCH2COOH + KOH = CH3Br + KHCO3 =>
BrCH2COOH + KOH = CH3Br + KHCO3
HNO3 + Na2O = H2O + NaNO3 =>
2 HNO3 + Na2O = H2O + 2 NaNO3
Ca(OH)2 + CO2 = CaCO3 + H2O =>
Ca(OH)2 + CO2 = CaCO3 + H2O
Mg(s) + S(g) = MgS =>
Mg(s) + S(g) = MgS
KHS + K2SO4 = K2S + KOH + SO3 =>
KHS + K2SO4 = K2S + KOH + SO3
Na3[Cr(OH)6] = Cr(OH)3 + NaOH =>
Na3[Cr(OH)6] = Cr(OH)3 + 3 NaOH
Ca + KOH = Ca(OH)2 + K =>
Ca + 2 KOH = Ca(OH)2 + 2 K
Fe2O3 + KNO3 + KOH = K2FeO4 + NO + H2O =>
Fe2O3 + 2 KNO3 + 2 KOH = 2 K2FeO4 + 2 NO + H2O
P4 + F2 = PF3 =>
P4 + 6 F2 = 4 PF3
CH2O + Cu(OH)2 = HCOOH + CuOH + H2 =>
2 CH2O + 2 Cu(OH)2 = 2 HCOOH + 2 CuOH + H2
Cr04 = Cr07 =>
7 Cr04 = 4 Cr07
Mg(HSO4)2 + K = H2 + K2SO4 + MgSO4 =>
Mg(HSO4)2 + 2 K = H2 + K2SO4 + MgSO4
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
C4H10 + NH3 = C12H27N + H2 =>
3 C4H10 + NH3 = C12H27N + 3 H2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
KMnO4 + H3PO2 + H2SO4 = H3PO4 + MnSO4 + KSO4 + H2O =>
KMnO4 + H3PO2 + 2 H2SO4 = H3PO4 + MnSO4 + KSO4 + 2 H2O
Fe2O3 + AgNO3 = Ag2O + Fe(NO3)3 =>
Fe2O3 + 6 AgNO3 = 3 Ag2O + 2 Fe(NO3)3
BaCrO4 + NH4F = BaF + CrO4NH4 =>
BaCrO4 + NH4F = BaF + CrO4NH4
Mg + Cr2(SO4)3 = Mg(SO4) + Cr =>
3 Mg + Cr2(SO4)3 = 3 Mg(SO4) + 2 Cr
C2H5OH + CO2 = C2H4 + O2 =>
2 C2H5OH + 2 CO2 = 3 C2H4 + 3 O2
FeCl3 + Ca(HCO3)2 = CaCl3 + Fe(OH)2 + CO2 =>
FeCl3 + Ca(HCO3)2 = CaCl3 + Fe(OH)2 + 2 CO2
CaH2 + H2O = H3O + CaOH =>
CaH2 + 4 H2O = 3 H3O + CaOH
Na2HPO4 + HBr = NaBr + H2O + P2O5 =>
2 Na2HPO4 + 4 HBr = 4 NaBr + 3 H2O + P2O5
Fe{3+} + SN{2+} = Fe{2+} + SN{4+} =>
2 Fe{3+} + SN{2+} = 2 Fe{2+} + SN{4+}
Mg + CO2 = MgCO3 + C =>
2 Mg + 3 CO2 = 2 MgCO3 + C
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
HNO2(aq) + Ca(OH)2(aq) = Ca(NO2)2 + H2O =>
2 HNO2(aq) + Ca(OH)2(aq) = Ca(NO2)2 + 2 H2O
Ba(CH3CO2)2 + K2CrO4 = BaCrO4 + K(CH3CO2) =>
Ba(CH3CO2)2 + K2CrO4 = BaCrO4 + 2 K(CH3CO2)
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
KI(ag) + Cl2(aq) = KCl(aq) + I2(aq) =>
2 KI(ag) + Cl2(aq) = 2 KCl(aq) + I2(aq)
(NH4)2 + SO3 = (NH4)2SO3 =>
(NH4)2 + SO3 = (NH4)2SO3
Zn(NO3)2 + Na2CO3 + H2O = Zn(OH)2 + CO2 + NaNO3 =>
Zn(NO3)2 + Na2CO3 + H2O = Zn(OH)2 + CO2 + 2 NaNO3
NaCl + Pb(NO3)2 = NaNO3 + PbCl2 =>
2 NaCl + Pb(NO3)2 = 2 NaNO3 + PbCl2
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
Al + RbCl = AlCl3 + Rb =>
Al + 3 RbCl = AlCl3 + 3 Rb
KHPC20H14O4NaOH = NaOHC20H14O4KHP =>
KHPC20H14O4NaOH = NaOHC20H14O4KHP
HClO4 + RbOH = H2O + RbClO4 =>
HClO4 + RbOH = H2O + RbClO4
Mg + CO2 = MgCO3 + C =>
2 Mg + 3 CO2 = 2 MgCO3 + C
CH2OH(CHOH)4CHO + [Ag(NH3)2]{+} + OH{-}{+} = Ag + CH2OH(CHOH)4COO{-} + NH3 + H2O =>
CH2OH(CHOH)4CHO + 2[Ag(NH3)2]{+} + 3 OH{-}{+} = 2 Ag + CH2OH(CHOH)4COO{-} + 4 NH3 + 2 H2O
Ga2(CrO4)3 + Co(OH)7 = Ga(OH)3 + Co2(CrO4)7 =>
7 Ga2(CrO4)3 + 6 Co(OH)7 = 14 Ga(OH)3 + 3 Co2(CrO4)7
MoO2 + H = Mo + H2O =>
MoO2 + 4 H = Mo + 2 H2O
NH{-4}NO{-3} = N{-2}O + H{-2}O =>
NH{-4}NO{-3} = N{-2}O + H{-2}O
Pb3(OH)2(CO3)2 + HCl = PbCl2 + CO2 + H2O =>
Pb3(OH)2(CO3)2 + 6 HCl = 3 PbCl2 + 2 CO2 + 4 H2O
C2H4O2 + PbOH2 = H2O + PbC2H4O2 =>
C2H4O2 + PbOH2 = H2O + PbC2H4O2
CH3CHO + Br2 + NaOH = CH3COONa + NaBr + H2O =>
CH3CHO + Br2 + 3 NaOH = CH3COONa + 2 NaBr + 2 H2O
CsOH + H2SO4 = H2OH + CsSO4 =>
CsOH + H2SO4 = H2OH + CsSO4
K[Cr(OH)4] + Br2 + KOH = K2Cr2O7 + KBr + H2O =>
2 K[Cr(OH)4] + 3 Br2 + 6 KOH = K2Cr2O7 + 6 KBr + 7 H2O
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