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3 K4[Fe(CN)6] + 4 FeCl3 = 12 KCl + Fe4[Fe(CN)6]3
NaSCN + KMnO4 + H2SO4 = K2SO4 + MnSO4 + HCN + H2O + Na2SO4 =>
10 NaSCN + 12 KMnO4 + 13 H2SO4 = 6 K2SO4 + 12 MnSO4 + 10 HCN + 8 H2O + 5 Na2SO4
Mg + H2O = Mg(OH)2 + H2 =>
Mg + 2 H2O = Mg(OH)2 + H2
Mg + HNO3 = Mg(NO3)2 + NO + H2O =>
3 Mg + 8 HNO3 = 3 Mg(NO3)2 + 2 NO + 4 H2O
X + HNO3 = XNO3 + H2 =>
2 X + 2 HNO3 = 2 XNO3 + H2
FeCl3 + KSCN = Fe(SCN)3 + KCl =>
FeCl3 + 3 KSCN = Fe(SCN)3 + 3 KCl
Fe2S3 = FeS + S =>
Fe2S3 = 2 FeS + S
Cd(CN)2 + KCN = Cd(CN)4K2 =>
Cd(CN)2 + 2 KCN = Cd(CN)4K2
CuCO3 = CuO + CO2 =>
CuCO3 = CuO + CO2
FeCl3 + K4Fe(CN)6 = KCl + Fe4[Fe(CN)6]3 =>
4 FeCl3 + 3 K4Fe(CN)6 = 12 KCl + Fe4[Fe(CN)6]3
H + O2 = H2O =>
4 H + O2 = 2 H2O
AgNO3 + NH3 = [Ag(NH3)2]NO3 =>
AgNO3 + 2 NH3 = [Ag(NH3)2]NO3
BaCO3 + H2SO4 = BaSO4 + H2O + CO2 =>
BaCO3 + H2SO4 = BaSO4 + H2O + CO2
Al(OH)3 + NaHCO3 = NaAlO2 + H2O + CO2 =>
Al(OH)3 + NaHCO3 = NaAlO2 + 2 H2O + CO2
H3PO4(s) = P2O5(s) + H2O(l) =>
2 H3PO4(s) = P2O5(s) + 3 H2O(l)
FeCl3 + KOH = Fe(OH)3 + KCl =>
FeCl3 + 3 KOH = Fe(OH)3 + 3 KCl
FeCl3 + HCl = FeH3 + Cl2 =>
FeCl3 + 3 HCl = FeH3 + 3 Cl2
NH4 + PO4 = H3PO4 + NH3 =>
3 NH4 + PO4 = H3PO4 + 3 NH3
Cr2O3 + Na2SO4 = Cr2(SO4)3 + Na2O =>
Cr2O3 + 3 Na2SO4 = Cr2(SO4)3 + 3 Na2O
H2O2(aq) + KI(aq) = I2 + KOH =>
H2O2(aq) + 2 KI(aq) = I2 + 2 KOH
CH3CH2CH2CH3 + Br2 = CH3CH2CHBrCH3 + HBr =>
CH3CH2CH2CH3 + Br2 = CH3CH2CHBrCH3 + HBr
Cl2 + NaOH = NaOCl + NaCl + H2O =>
Cl2 + 2 NaOH = NaOCl + NaCl + H2O
K2Cr2O7 + H2SO4 + C4H9OH = Cr2(SO4)3 + K2SO4 + CH3CH2CH2COOH + H2O =>
2 K2Cr2O7 + 8 H2SO4 + 3 C4H9OH = 2 Cr2(SO4)3 + 2 K2SO4 + 3 CH3CH2CH2COOH + 11 H2O
NO2 = O2 + N2 =>
2 NO2 = 2 O2 + N2
Cu(NO3)2*3H2O + CH4N2O = Cu + CO2 + N2 + H2O =>
Cu(NO3)2*3H2O + 2 CH4N2O = Cu + 2 CO2 + 3 N2 + 7 H2O
SnSO4 + Na3PO4 = Sn3(PO4)2 + Na2SO4 =>
3 SnSO4 + 2 Na3PO4 = Sn3(PO4)2 + 3 Na2SO4
Fe2 + Cl = FeCl3 =>
Fe2 + 6 Cl = 2 FeCl3
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Sc + HNO3 = Sc(NO3)3 + NH4NO3 + H2O =>
8 Sc + 30 HNO3 = 8 Sc(NO3)3 + 3 NH4NO3 + 9 H2O
Li2Na2B2O5 + CO2 = LiBO2 + Na3B3O6 + LiNaCO3 =>
3 Li2Na2B2O5 + 3 CO2 = 3 LiBO2 + Na3B3O6 + 3 LiNaCO3
HClO4 = H2 + Cl2 + O2 =>
2 HClO4 = H2 + Cl2 + 4 O2
CH3OH + C2H5COOH = C2H5COOCH3 + H2O =>
CH3OH + C2H5COOH = C2H5COOCH3 + H2O
FeSO4 + K3[Fe(CN)6] = Fe3[Fe(CN)6]2 + K2SO4 =>
3 FeSO4 + 2 K3[Fe(CN)6] = Fe3[Fe(CN)6]2 + 3 K2SO4
C + H2(g) = CH4(g) =>
C + 2 H2(g) = CH4(g)
K2MnO4 + CO2 + H2O = KMnO4 + MnO2 + KHCO3 =>
3 K2MnO4 + 4 CO2 + 2 H2O = 2 KMnO4 + MnO2 + 4 KHCO3
Fe3O4 + H2SO4 = Fe2(SO4)3 + SO2 + H2O =>
2 Fe3O4 + 10 H2SO4 = 3 Fe2(SO4)3 + SO2 + 10 H2O
CaHCO3 + HCl = CaCl2 + H2HCO3 =>
CaHCO3 + 2 HCl = CaCl2 + H2HCO3
NaCl2 + H2 + O2 = HCl + NaO2 =>
NaCl2 + H2 + O2 = 2 HCl + NaO2
C6H6 + HCI = C6H5CI + H2 =>
C6H6 + HCI = C6H5CI + H2
Cu + NaOH + H2O = Na(Cu(OH)2) + H2 =>
2 Cu + 2 NaOH + 2 H2O = 2 Na(Cu(OH)2) + H2
KOH + MgSO4 = Mg(OH)2 + K2SO4 =>
2 KOH + MgSO4 = Mg(OH)2 + K2SO4
Mg + Fe(Cl)3 = MgCl2 + Fe =>
3 Mg + 2 Fe(Cl)3 = 3 MgCl2 + 2 Fe
Mg2 + F = MgF2 =>
Mg2 + 4 F = 2 MgF2
N2O5 = N2 + O2 =>
2 N2O5 = 2 N2 + 5 O2
Fe2O3 + Cu(NO3)2 = Fe(NO3)3 + CuO =>
Fe2O3 + 3 Cu(NO3)2 = 2 Fe(NO3)3 + 3 CuO
Si + Ca(OH)2 + NaOH = NaSiO3 + H2 + CaO =>
2 Si + 4 Ca(OH)2 + 2 NaOH = 2 NaSiO3 + 5 H2 + 4 CaO
BaO + HNO3 = Ba(NO3)2 + H2O =>
BaO + 2 HNO3 = Ba(NO3)2 + H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
C12H22O11 + KMnO4 = K2O + MnO2 + CO2 + H2O =>
C12H22O11 + 16 KMnO4 = 8 K2O + 16 MnO2 + 12 CO2 + 11 H2O
H + S = HS =>
H + S = HS
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