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2 S + Na2S = Na2S3
Na(s) + KNO3(s) = Na2O(s) + K2O(s) + N2(g) =>
10 Na(s) + 2 KNO3(s) = 5 Na2O(s) + K2O(s) + N2(g)
Pb2O3 + KMnO4 + HCl = PbCl4 + MnCl2 + KCl + H2O =>
5 Pb2O3 + 2 KMnO4 + 46 HCl = 10 PbCl4 + 2 MnCl2 + 2 KCl + 23 H2O
C7H5KO2 + H2SO4 = K2SO4 + C7H6O2 =>
2 C7H5KO2 + H2SO4 = K2SO4 + 2 C7H6O2
HI + K2O = KI + H2O =>
2 HI + K2O = 2 KI + H2O
H2SO4 + K2Cr2O7 + I2 = K2SO4 + Cr2(SO4)3 + H2O + HIO3 =>
20 H2SO4 + 5 K2Cr2O7 + 3 I2 = 5 K2SO4 + 5 Cr2(SO4)3 + 17 H2O + 6 HIO3
BeOH + CuSO4 = BeSO4 + CuOH =>
BeOH + CuSO4 = BeSO4 + CuOH
Mg(s) + HCl(aq) = MgCl2 + H2 =>
Mg(s) + 2 HCl(aq) = MgCl2 + H2
Ba3(PO4)2 + HNO3 = BaHPO4 + Ba(NO3)2 =>
Ba3(PO4)2 + 2 HNO3 = 2 BaHPO4 + Ba(NO3)2
Ca + H2O = Ca(OH)3 + H =>
Ca + 3 H2O = Ca(OH)3 + 3 H
Li2SO4 + Zn = Li + ZnSO4 =>
Li2SO4 + Zn = 2 Li + ZnSO4
C3H5O3{-} + SO42{-} = CO2 + H2S + H2O + OH{-} =>
85 C3H5O3{-} + 12 SO42{-} = 255 CO2 + 12 H2S + 152 H2O + 97 OH{-}
Br + NaOH = NaBr + NaBrO + H2O =>
2 Br + 2 NaOH = NaBr + NaBrO + H2O
C5H4N4O + O2 = CO2 + H2O + N2 =>
2 C5H4N4O + 11 O2 = 10 CO2 + 4 H2O + 4 N2
ZnF2 + Cu3P = Zn3P2 + CuF =>
3 ZnF2 + 2 Cu3P = Zn3P2 + 6 CuF
NH3(g) + H2O(l) = H2(g) + NO(g) =>
2 NH3(g) + 2 H2O(l) = 5 H2(g) + 2 NO(g)
Zn(s) + NH4NO3(s) = N2(g) + ZnO(s) + (H2O)(g) =>
Zn(s) + NH4NO3(s) = N2(g) + ZnO(s) + 2(H2O)(g)
H2O + K2Cr2O7 + S = Cr2O3 + KOH + SO2 =>
2 H2O + 2 K2Cr2O7 + 3 S = 2 Cr2O3 + 4 KOH + 3 SO2
Cu + HCl(l) = CuCl2 + H2 =>
Cu + 2 HCl(l) = CuCl2 + H2
NH4OH + NCl = NH4Cl + NOH =>
NH4OH + NCl = NH4Cl + NOH
H2SO4 + Sr(OH)2 = H2O + SSrO4 =>
H2SO4 + Sr(OH)2 = 2 H2O + SSrO4
HLiO3S + HNO3 = LiNO3 + SO2 + H2O =>
HLiO3S + HNO3 = LiNO3 + SO2 + H2O
CuCO3(s) = CO2(g) + Cu2O2(g) =>
2 CuCO3(s) = 2 CO2(g) + Cu2O2(g)
Rh2 + O4 = RhO2 =>
Rh2 + O4 = 2 RhO2
N2H6SO4 + NaOH + CuSO4 = N2 + Na2SO4 + Cu + H2O =>
N2H6SO4 + 6 NaOH + 2 CuSO4 = N2 + 3 Na2SO4 + 2 Cu + 6 H2O
Na2O + CO = CO2 + Na =>
Na2O + CO = CO2 + 2 Na
Li + O2 = Li2O = O2 = Li =>
4 Li + O2 = 2 Li2O
CH2O + KMnO4 + H2SO4 = CO2 + MnSO4 + K2SO4 + H2O =>
5 CH2O + 4 KMnO4 + 6 H2SO4 = 5 CO2 + 4 MnSO4 + 2 K2SO4 + 11 H2O
Mg + HBr = MgBr2 + H =>
Mg + 2 HBr = MgBr2 + 2 H
MgI2 + Na2CO3 = MgCO3 + I2Na2 =>
MgI2 + Na2CO3 = MgCO3 + I2Na2
MgCl2 + Ca(OH)2 = MgCa + ClOH =>
MgCl2 + Ca(OH)2 = MgCa + 2 ClOH
HNO3 + FeCl2 + HCl = N2O3 + FeCl3 + H2O =>
2 HNO3 + 4 FeCl2 + 4 HCl = N2O3 + 4 FeCl3 + 3 H2O
KHCO3 = KCO3 + H2 =>
2 KHCO3 = 2 KCO3 + H2
ZnBr2 + KOH = ZnOH + KBr2 =>
ZnBr2 + KOH = ZnOH + KBr2
Cu + KCN + O2 + H2O = KCu(CN)2 + KOH =>
4 Cu + 8 KCN + O2 + 2 H2O = 4 KCu(CN)2 + 4 KOH
FeSO4 + NaNO3 + HCl = Fe2(SO4)3 + Fe(NO3)3 + NO2 + H2O + NaCl =>
3 FeSO4 + 6 NaNO3 + 6 HCl = Fe2(SO4)3 + Fe(NO3)3 + 3 NO2 + 3 H2O + 6 NaCl
K[Ag(NO3)2] + NH3 = K[Ag(NO3)2(NH3)2] =>
K[Ag(NO3)2] + 2 NH3 = K[Ag(NO3)2(NH3)2]
C9H8O4 + HCl + NaHCO3 + H2O = C10H12O8 + NaCl =>
C9H8O4 + HCl + NaHCO3 + H2O = C10H12O8 + NaCl
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
KHCO3 = KCO3 + H2 =>
2 KHCO3 = 2 KCO3 + H2
Ag2S = Ag + S =>
Ag2S = 2 Ag + S
KOH + Al = K3AlO3 + H2 =>
6 KOH + 2 Al = 2 K3AlO3 + 3 H2
MgSO4*7H2O + Al2(SO4)3*18H2O + NaOH = Mg6Al2(OH)16SO4 + Na2SO4 + H2O =>
6 MgSO4*7H2O + Al2(SO4)3*18H2O + 16 NaOH = Mg6Al2(OH)16SO4 + 8 Na2SO4 + 60 H2O
SO2 + Pb(NO3)2 = PbS + N2 + O2 =>
SO2 + Pb(NO3)2 = PbS + N2 + 4 O2
N2 + H3 = N3H =>
9 N2 + 2 H3 = 6 N3H
Cu(NH3)4{2+} + NO2{-} = Cu + NO2 + NH3 =>
Cu(NH3)4{2+} + 2 NO2{-} = Cu + 2 NO2 + 4 NH3
KMnO4 + HCl + H2S = MnCl2 + S + KCl + H2O =>
2 KMnO4 + 6 HCl + 5 H2S = 2 MnCl2 + 5 S + 2 KCl + 8 H2O
MgHCl = Mg + HCl =>
MgHCl = Mg + HCl
AlCl3 + Cs = AlCs3 + Cl =>
AlCl3 + 3 Cs = AlCs3 + 3 Cl
F + P = FP =>
F + P = FP
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