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2 NaOH + H2SO4 = Na2SO4 + 2 H2O
H2 + Fe3O4 = Fe + H2O =>
4 H2 + Fe3O4 = 3 Fe + 4 H2O
NaOH + Ca(OH)2 + C + ClO2 = NaClO2 + CaCO3 + H2O =>
4 NaOH + Ca(OH)2 + C + 4 ClO2 = 4 NaClO2 + CaCO3 + 3 H2O
K(s) + O2 = K2O(s) =>
4 K(s) + O2 = 2 K2O(s)
H2SO4 + K = K2SO4 + S + H2O =>
4 H2SO4 + 6 K = 3 K2SO4 + S + 4 H2O
C3H6 + O2 = CO2 + H2O =>
2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
Ca(s) + HCl(aq) = H2(g) + CaCl2(aq) =>
Ca(s) + 2 HCl(aq) = H2(g) + CaCl2(aq)
Ni(ClO3)2 = NiCl2 + O2 =>
Ni(ClO3)2 = NiCl2 + 3 O2
KMNO4 + H2O + KI = MNO2 + KOH + KIO =>
2 KMNO4 + H2O + 3 KI = 2 MNO2 + 2 KOH + 3 KIO
NaBr = Br + Na =>
NaBr = Br + Na
Na2O(s) + H2O(l) = NaHO(aq) =>
Na2O(s) + H2O(l) = 2 NaHO(aq)
H2C4H4O4 + NaHCO3 = CO2 + H2O + Na2C4H4O4 =>
H2C4H4O4 + 2 NaHCO3 = 2 CO2 + 2 H2O + Na2C4H4O4
KMnO4 + H2O + KI = MnO2 + KOH + KIO =>
2 KMnO4 + H2O + 3 KI = 2 MnO2 + 2 KOH + 3 KIO
Na + H2O = NaOH + H =>
Na + H2O = NaOH + H
KBr + H2SO4 + MNO2 = KHSO4 + MNSO4 + Br2 + H2O =>
2 KBr + 3 H2SO4 + MNO2 = 2 KHSO4 + MNSO4 + Br2 + 2 H2O
KMnO4 + H2O + KI = MnO2 + KOH + KIO3 =>
2 KMnO4 + H2O + KI = 2 MnO2 + 2 KOH + KIO3
Na + H2O = NaOH + H =>
Na + H2O = NaOH + H
Fe + SCN = Fe(SCN)3 =>
Fe + 3 SCN = Fe(SCN)3
NH4C + H2SO4 = HC + (NH4)2SO4 =>
2 NH4C + H2SO4 = 2 HC + (NH4)2SO4
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
Ca + H2O = H2 + CaOH =>
2 Ca + 2 H2O = H2 + 2 CaOH
H2O + Cl = HCl + HClO =>
H2O + 2 Cl = HCl + HClO
H2SO4 + NaBr = Br2 + SO2 + Na2SO4 + H2O =>
2 H2SO4 + 2 NaBr = Br2 + SO2 + Na2SO4 + 2 H2O
Fe + HPO4 = FePO4 + H =>
Fe + HPO4 = FePO4 + H
Na + H2O = NaOH + H =>
Na + H2O = NaOH + H
Na2SiO3 + NH4Cl + H2O = NaCl + NH4OH + H2SiO3 =>
Na2SiO3 + 2 NH4Cl + 2 H2O = 2 NaCl + 2 NH4OH + H2SiO3
(K2)CrO4 + Pb(NO3)2 = KNO3 + PbCrO4 =>
(K2)CrO4 + Pb(NO3)2 = 2 KNO3 + PbCrO4
Ba + H2O = H2 + BaOH =>
2 Ba + 2 H2O = H2 + 2 BaOH
(K2)CrO4 + Pb(NO3)2 = KNO3 + PbCrO4 =>
(K2)CrO4 + Pb(NO3)2 = 2 KNO3 + PbCrO4
NH4C + H2SO4 = H2C2 + (NH4)2SO4 =>
2 NH4C + H2SO4 = H2C2 + (NH4)2SO4
C6H10O5 = H2 + CO + CH4 =>
C6H10O5 = 3 H2 + 5 CO + CH4
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
K2CrO4 + Pb(NO3)2 = KNO3 + PbCrO4 =>
K2CrO4 + Pb(NO3)2 = 2 KNO3 + PbCrO4
CH3CH2CH2OH + Cr2O7{-2} + H{+} = CH3CH2COOH + Cr + H2O =>
3 CH3CH2CH2OH + Cr2O7{-2} + 2 H{+} = 3 CH3CH2COOH + 2 Cr + 4 H2O
C5H8O4 = H2 + CO + CH4 =>
C5H8O4 = 2 H2 + 4 CO + CH4
H2SO4 + LiOH = H2O + Li2SO4 =>
H2SO4 + 2 LiOH = 2 H2O + Li2SO4
Na + H2O = NaOH + H =>
Na + H2O = NaOH + H
Fe + Na2HPO4 = Fe2(HPO4)3 + Na =>
2 Fe + 3 Na2HPO4 = Fe2(HPO4)3 + 6 Na
Cu + HNO3 = Cu(NO3)2 + H2O + NO2 =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 H2O + 2 NO2
KMnO4 + FeSO4 + H2SO4 = MnSO4 + K2SO4 + Fe2(SO4)3 + H2O =>
2 KMnO4 + 10 FeSO4 + 8 H2SO4 = 2 MnSO4 + K2SO4 + 5 Fe2(SO4)3 + 8 H2O
Ba + N2 = Ba3N2 =>
3 Ba + N2 = Ba3N2
NH3 + CuO = N2 + Cu + H2O =>
2 NH3 + 3 CuO = N2 + 3 Cu + 3 H2O
Fe + HNO3 = Fe(NO3) + NO + H2O =>
3 Fe + 4 HNO3 = 3 Fe(NO3) + NO + 2 H2O
H + S = HS =>
H + S = HS
Fe + HNO3 = Fe(NO3)3 + NO + H2O =>
Fe + 4 HNO3 = Fe(NO3)3 + NO + 2 H2O
Cl + NaBr2 = Br2 + NaCl =>
Cl + NaBr2 = Br2 + NaCl
Na2SiF6 + Na = Si + NaF =>
Na2SiF6 + 4 Na = Si + 6 NaF
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
S + Na = SNa =>
S + Na = SNa
KNO3 = KNO2 + O =>
KNO3 = KNO2 + O
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