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2 NaHS + H2SO4 = Na2SO4 + 2 H2S
AlH + H2O = AlOH + H2 =>
AlH + H2O = AlOH + H2
CaC2 + H2SO4 = C2H2CaSO4 =>
CaC2 + H2SO4 = C2H2CaSO4
Co + NH4Cl = CoCl3 + NH3 + H2 =>
2 Co + 6 NH4Cl = 2 CoCl3 + 6 NH3 + 3 H2
Li2O + MgO = Li2Mg + O2 =>
Li2O + MgO = Li2Mg + O2
Sc2(Co3)3 = Sc3 + (Co3)2 =>
6 Sc2(Co3)3 = 4 Sc3 + 9(Co3)2
KI + NaClO3 + H2SO4 = I2 + K2SO4 + NaCl + H2O =>
6 KI + NaClO3 + 3 H2SO4 = 3 I2 + 3 K2SO4 + NaCl + 3 H2O
S + Cl{-} = S{-2} + Cl2 =>
S + 2 Cl{-} = S{-2} + Cl2
NH3 + CuO = Cu + N2 + H2O =>
2 NH3 + 3 CuO = 3 Cu + N2 + 3 H2O
AlCl3 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + H2O + Al2(SO4)3 + Cl2 =>
10 AlCl3 + 6 KMnO4 + 24 H2SO4 = 3 K2SO4 + 6 MnSO4 + 24 H2O + 5 Al2(SO4)3 + 15 Cl2
K2CrO7 + H2SO3 + CH3CH2OH = Cr2(SO4)3 + H2O + CH3CHO + K2SO4 =>
2 K2CrO7 + 5 H2SO3 + 4 CH3CH2OH = Cr2(SO4)3 + 9 H2O + 4 CH3CHO + 2 K2SO4
Na2C2O4 + Ba(OH)2 = BaC2O4 + NaOH =>
Na2C2O4 + Ba(OH)2 = BaC2O4 + 2 NaOH
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
K2O + P2O5 = K3PO4 =>
3 K2O + P2O5 = 2 K3PO4
Sn + NH3 + H2O = Sn(OH)2 + NH4 =>
Sn + 2 NH3 + 2 H2O = Sn(OH)2 + 2 NH4
FeCl2 + NaNO3 + NaOH = Na2FeO4 + NaNO2 + H2O + NaCl =>
FeCl2 + 2 NaNO3 + 4 NaOH = Na2FeO4 + 2 NaNO2 + 2 H2O + 2 NaCl
Ir + F2 = IrF =>
2 Ir + F2 = 2 IrF
C4H6 + O2 = CO2 + H2O =>
2 C4H6 + 11 O2 = 8 CO2 + 6 H2O
S5 + O2 = SO2 =>
S5 + 5 O2 = 5 SO2
NaNO2 + KMnO4 + H2SO4 = H2O + K2SO4 + MnSO4 + Na2SO4 + NO2 =>
10 NaNO2 + 2 KMnO4 + 8 H2SO4 = 8 H2O + K2SO4 + 2 MnSO4 + 5 Na2SO4 + 10 NO2
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
Al2(CO3)3 + H2O = H2CO3 + Al(OH)3 =>
Al2(CO3)3 + 6 H2O = 3 H2CO3 + 2 Al(OH)3
Ni(NO3)2*6H2O + NH3 = NiO + NH4NO3 + H2O =>
Ni(NO3)2*6H2O + 2 NH3 = NiO + 2 NH4NO3 + 5 H2O
Cu2O + C = Cu + CO2 =>
2 Cu2O + C = 4 Cu + CO2
K2S + Cl + H2O = HCl + K2SO =>
K2S + 2 Cl + H2O = 2 HCl + K2SO
Al + PbSO4 = Pb2 + Al2(SO4)3 =>
4 Al + 6 PbSO4 = 3 Pb2 + 2 Al2(SO4)3
F2O3 + C = F + CO =>
F2O3 + 3 C = 2 F + 3 CO
Al2(SO4)3 + NaF = Na2SO4 + AlF3 =>
Al2(SO4)3 + 6 NaF = 3 Na2SO4 + 2 AlF3
C3H8O3 + Cu(OH)2 = C6H14O6Cu + H2O =>
2 C3H8O3 + Cu(OH)2 = C6H14O6Cu + 2 H2O
AE + CUS04 = AE(S02)3 + CU =>
2 AE + 3 CUS04 = 2 AE(S02)3 + 3 CU
Pb(NO3)2(aq) + KI(aq) = KNO3(aq) + PbI2(g) =>
Pb(NO3)2(aq) + 2 KI(aq) = 2 KNO3(aq) + PbI2(g)
(NH2)2CO + NaClO + H2SO4 = NCl3 + NaHSO4 + CO2 + H2O =>
(NH2)2CO + 6 NaClO + 6 H2SO4 = 2 NCl3 + 6 NaHSO4 + CO2 + 5 H2O
Al(oh)3 + NaOH = [Al(OH)4] + Na =>
Al(oh)3 + 12 NaOH = 3[Al(OH)4] + 12 Na
Sr3(AsO4)2 + NiS = SrS + Ni3(AsO4)2 =>
Sr3(AsO4)2 + 3 NiS = 3 SrS + Ni3(AsO4)2
Se + H2O = Se(OH)3 + H2 =>
2 Se + 6 H2O = 2 Se(OH)3 + 3 H2
Pb(CH3CO2)2 + NaCl = PbCl2 + NaCH3CO2 =>
Pb(CH3CO2)2 + 2 NaCl = PbCl2 + 2 NaCH3CO2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
CuSO4 + Na2PO4 = Cu(PO4) + Na2SO4 =>
CuSO4 + Na2PO4 = Cu(PO4) + Na2SO4
Ag2S(s) + H = Ag + H2S(g) =>
Ag2S(s) + 2 H = 2 Ag + H2S(g)
K2SO4 + Ba(ClO4)2 = BaSO4 + K(ClO4) =>
K2SO4 + Ba(ClO4)2 = BaSO4 + 2 K(ClO4)
NiO + H2 = NiOH =>
2 NiO + H2 = 2 NiOH
KMnO4 + Na2C2O4 + H2SO4 = K2SO4 + NaSO4 + MnSO4 + CO2 + H2O =>
4 KMnO4 + 5 Na2C2O4 + 16 H2SO4 = 2 K2SO4 + 10 NaSO4 + 4 MnSO4 + 10 CO2 + 16 H2O
NaClO4 + NH4Cl = NaCl + N2 + HCl + H2O =>
3 NaClO4 + 8 NH4Cl = 3 NaCl + 4 N2 + 8 HCl + 12 H2O
Fe + CoF = FeF2 + Co =>
Fe + 2 CoF = FeF2 + 2 Co
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Ag3O2 = Ag + O =>
Ag3O2 = 3 Ag + 2 O
Sb2O3 + HBr = SbBr3 + H2O =>
Sb2O3 + 6 HBr = 2 SbBr3 + 3 H2O
SnCl4 + Br2 = BrCl2 + Sn4 =>
4 SnCl4 + 4 Br2 = 8 BrCl2 + Sn4
C2 + OH = COH =>
C2 + 2 OH = 2 COH
Fr2O + Br2O3 = FrBrO2 =>
Fr2O + Br2O3 = 2 FrBrO2
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