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*2Fe + 3 O2 = *2FeO3
Xe2 + F2 = XeF4 =>
Xe2 + 4 F2 = 2 XeF4
NaOH + CuSO4 = CuO + Na2SO4 + H2O =>
2 NaOH + CuSO4 = CuO + Na2SO4 + H2O
CaCl + NaPO4 = CaPO4 + NaCl =>
CaCl + NaPO4 = CaPO4 + NaCl
NiS + HCl + HNO3 = NiCl3 + S + NO + H2O =>
NiS + 3 HCl + HNO3 = NiCl3 + S + NO + 2 H2O
Al(OH)3 + NaCl = AlCl3 + NaOH =>
Al(OH)3 + 3 NaCl = AlCl3 + 3 NaOH
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
CH3COONH4 + Ca(OH)2 = (CH3COO)2Ca + NH4OH =>
2 CH3COONH4 + Ca(OH)2 = (CH3COO)2Ca + 2 NH4OH
Al + O = AlO2 =>
Al + 2 O = AlO2
CuO + Na2SO4 = CuSO4 + Na2O =>
CuO + Na2SO4 = CuSO4 + Na2O
CoCl2(H2O)6 + HNO3 + C10H8N2 = [Co(C10H8N2)2(NO3)]NO3 + HCl + H2O =>
CoCl2(H2O)6 + 2 HNO3 + 2 C10H8N2 = [Co(C10H8N2)2(NO3)]NO3 + 2 HCl + 6 H2O
CH3COOH + NO2 = N2 + CO2 + H2O =>
CH3COOH + 2 NO2 = N2 + 2 CO2 + 2 H2O
Sr(NO3)2ZnSO4 = SrSO4Zn(NO3)2 =>
Sr(NO3)2ZnSO4 = SrSO4Zn(NO3)2
KMnO4 + C2O4H2 + H2SO4 = MnO2 + CO2 + H2O + K2SO4 =>
2 KMnO4 + 3 C2O4H2 + H2SO4 = 2 MnO2 + 6 CO2 + 4 H2O + K2SO4
BI3 + NaOH = Na2B4O7 + NaI + H2O =>
4 BI3 + 14 NaOH = Na2B4O7 + 12 NaI + 7 H2O
Al(OH)3 + NaCl = AlCl3 + NaOH =>
Al(OH)3 + 3 NaCl = AlCl3 + 3 NaOH
PCl3 + KMnO4 + H2O = MnCl + H3PO4 + KCl + HCl =>
3 PCl3 + KMnO4 + 8 H2O = MnCl + 3 H3PO4 + KCl + 7 HCl
HClO = HCl + HClO3 =>
3 HClO = 2 HCl + HClO3
NaF + Br2 = NaBr + F2 =>
2 NaF + Br2 = 2 NaBr + F2
PbS + H2O2 = PbSO4 + H2O =>
PbS + 4 H2O2 = PbSO4 + 4 H2O
Pb(NO3)2 + EDTA = Pb(EDTA)2 + NO3 =>
Pb(NO3)2 + 2 EDTA = Pb(EDTA)2 + 2 NO3
Cl2 + NaBr = NaCl + Br2 =>
Cl2 + 2 NaBr = 2 NaCl + Br2
Ba(NO3)2 + H3Po4 = Ba3(Po4)2 + HNO3 =>
3 Ba(NO3)2 + 2 H3Po4 = Ba3(Po4)2 + 6 HNO3
IO3{-} + HSO3{-} = I2 + HSO4{-} + SO4{2-} + H2O =>
2 IO3{-} + 5 HSO3{-} = I2 + 3 HSO4{-} + 2 SO4{2-} + H2O
HNO3 + Cu2 = Cu(NO3)2 + N2O + H2O =>
10 HNO3 + 2 Cu2 = 4 Cu(NO3)2 + N2O + 5 H2O
H2 + Se + O = H2SeO3 =>
H2 + Se + 3 O = H2SeO3
AlCl3 + Cu(OH)2 = CuCl2 + Al(OH)3 =>
2 AlCl3 + 3 Cu(OH)2 = 3 CuCl2 + 2 Al(OH)3
RbCIO3 = RbCI + O2 =>
2 RbCIO3 = 2 RbCI + 3 O2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
O2 + C3H8 = CO2 + H29 =>
87 O2 + 29 C3H8 = 87 CO2 + 8 H29
P4 + NaOH + H2O = NaH2PO3 + PH3 =>
P4 + 2 NaOH + 4 H2O = 2 NaH2PO3 + 2 PH3
(NH3)SO4 + BaCl2 = (NH3)Cl2 + BaSO4 =>
(NH3)SO4 + BaCl2 = (NH3)Cl2 + BaSO4
Fe + HNO3 + H2O = Fe(NO3)3*9H2O + NO =>
Fe + 4 HNO3 + 7 H2O = Fe(NO3)3*9H2O + NO
Cl2Cs = CsCl2 =>
Cl2Cs = CsCl2
HC2H3O2 + Ca(OH)2 = H2Ca + OH(C2H3O2) =>
2 HC2H3O2 + Ca(OH)2 = H2Ca + 2 OH(C2H3O2)
H[SnCl3] + H2S = SnS + HCl =>
H[SnCl3] + H2S = SnS + 3 HCl
SiO2(s) + NaOH(aq) = Na4SiO4(s) + H2O(g) =>
SiO2(s) + 4 NaOH(aq) = Na4SiO4(s) + 2 H2O(g)
Ba + H2O = BaOH + H2 =>
2 Ba + 2 H2O = 2 BaOH + H2
NaClH2O = NaOClH2 =>
NaClH2O = NaOClH2
H2SO4 + F = HSO4 + HF =>
H2SO4 + F = HSO4 + HF
Na2CO3(aq) + CaCl2(aq) = CaCO3(s) + NaCl =>
Na2CO3(aq) + CaCl2(aq) = CaCO3(s) + 2 NaCl
Mg(OH)2 + H{+} = Mg{+2} + H2O =>
Mg(OH)2 + 2 H{+} = Mg{+2} + 2 H2O
HCH2CHCO2 + OH = CH2CHCO2 + H2O =>
HCH2CHCO2 + OH = CH2CHCO2 + H2O
BaSO4 + Na2CrO4 = BaCrO4 + Na2SO4 =>
BaSO4 + Na2CrO4 = BaCrO4 + Na2SO4
CO(NH2)2(aq) + HOCl(aq) = NCl3(aq) + CO2(aq) + H2O =>
CO(NH2)2(aq) + 6 HOCl(aq) = 2 NCl3(aq) + CO2(aq) + 5 H2O
CoCl2 + NaOH = NaCl2 + Co(OH) =>
CoCl2 + NaOH = NaCl2 + Co(OH)
Na2O + CO2 = Na2CO3 =>
Na2O + CO2 = Na2CO3
C + H2 = C2H6 =>
2 C + 3 H2 = C2H6
Ca(HCo3)2 + Ca(OH)2 = CaCo3 + H2O =>
Ca(HCo3)2 + Ca(OH)2 = 2 CaCo3 + 2 H2O
CaO + H2O = calciumhydroxide =>
CaO + H2O = Ca(OH)2
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