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2 K2Cr2O7 + 8 H2SO4 = 8 H2O + 3 O2 + 2 Cr2(SO4)3 + 2 K2SO4
FeSO4 + KMnO4 + H2SO4 = Fe2(SO4)3 + MnSO4 + K2SO4 + H2O =>
10 FeSO4 + 2 KMnO4 + 8 H2SO4 = 5 Fe2(SO4)3 + 2 MnSO4 + K2SO4 + 8 H2O
Cl2 + CrI3 + KOH = KCl + K2CrO4 + H2O + KIO4 =>
27 Cl2 + 2 CrI3 + 64 KOH = 54 KCl + 2 K2CrO4 + 32 H2O + 6 KIO4
(NH4)(NO2) = N + H2O =>
(NH4)(NO2) = 2 N + 2 H2O
CuSO4 + HCI = CuCI + HSO4 =>
CuSO4 + HCI = CuCI + HSO4
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Cu + KMnO4 + H2SO4 = CuSO4 + KMnO2 + H2O =>
2 Cu + KMnO4 + 2 H2SO4 = 2 CuSO4 + KMnO2 + 2 H2O
CH3COCH3 + H2O = CO2 + H2 =>
CH3COCH3 + 5 H2O = 3 CO2 + 8 H2
MgI2 + NaNO3 = Mg(NO3)2 + NaI =>
MgI2 + 2 NaNO3 = Mg(NO3)2 + 2 NaI
Fe(iii) + O2 = Fe(iii)O2 =>
Fe(iii) + O2 = Fe(iii)O2
BCl3 + LiAlH4 = B2H6 + LiAlCl4 =>
4 BCl3 + 3 LiAlH4 = 2 B2H6 + 3 LiAlCl4
C8H14O + O = CO2 + H2O =>
C8H14O + 22 O = 8 CO2 + 7 H2O
SeO2 + NaOH = Na2SeO3 + H2O =>
SeO2 + 2 NaOH = Na2SeO3 + H2O
Cu + H2O2 + H{+} = Cu2{+} + H2O =>
4 Cu + H2O2 + 2 H{+} = 2 Cu2{+} + 2 H2O
CH3OH + K2CO3 = CH3OK + CO2 + H2O =>
2 CH3OH + K2CO3 = 2 CH3OK + CO2 + H2O
PBr5 + H2O = H3PO4 + HBr =>
PBr5 + 4 H2O = H3PO4 + 5 HBr
Si + SnO2 = SiO2 + Sn =>
Si + SnO2 = SiO2 + Sn
C2H6O(g) + H2O(g) = CO2(g) + H2(g) =>
C2H6O(g) + 3 H2O(g) = 2 CO2(g) + 6 H2(g)
CH3CHO + KMnO4 + H2SO4 = K2SO4 + MnSO4 + H2O + CH3CHCOOH =>
15 CH3CHO + 4 KMnO4 + 6 H2SO4 = 2 K2SO4 + 4 MnSO4 + 11 H2O + 10 CH3CHCOOH
As2(SO4)3 + KMnO4 + H2O = H3AsO4 + K2SO4 + MnSO4 + H2SO4 =>
5 As2(SO4)3 + 4 KMnO4 + 24 H2O = 10 H3AsO4 + 2 K2SO4 + 4 MnSO4 + 9 H2SO4
SiC + Cl2 = SiCl4 + C104 =>
104 SiC + 208 Cl2 = 104 SiCl4 + C104
Na2CO3 + H2SO4 = Na2SO4 + CO2 + H2O =>
Na2CO3 + H2SO4 = Na2SO4 + CO2 + H2O
LiOH(aq) + Pb(NO3)3 = Li(NO3) + Pb(OH)3 =>
3 LiOH(aq) + Pb(NO3)3 = 3 Li(NO3) + Pb(OH)3
CH3CH3OH = CO2 + CH3OOH + CH4 =>
4 CH3CH3OH = CO2 + CH3OOH + 6 CH4
C6H5Cl + O2 = H2O + CO2 + HCl =>
C6H5Cl + 7 O2 = 2 H2O + 6 CO2 + HCl
C2H4SO2 + NaOH = C2H4 + NaHSO3 =>
C2H4SO2 + NaOH = C2H4 + NaHSO3
Na + Fe = FeNa =>
Na + Fe = FeNa
NH4Cl + NH4OH = (NH4)2ClOH =>
NH4Cl + NH4OH = (NH4)2ClOH
CaFeO4 + HCl = CaCl2 + FeCl3 + Cl2 + H2O =>
2 CaFeO4 + 16 HCl = 2 CaCl2 + 2 FeCl3 + 3 Cl2 + 8 H2O
Fe + S = Fe(S)3 =>
Fe + 3 S = Fe(S)3
HCl + CrO2 = Cl2 + CrCl3 + H2O =>
8 HCl + 2 CrO2 = Cl2 + 2 CrCl3 + 4 H2O
Zn(OH)2 + K2O = ZnO + KOH =>
Zn(OH)2 + K2O = ZnO + 2 KOH
Mg3(PO4)2 + HCl = H3PO4 + MgCl2 =>
Mg3(PO4)2 + 6 HCl = 2 H3PO4 + 3 MgCl2
AgNO3 + Na3PO4 = Ag3PO4 + NaNO3 =>
3 AgNO3 + Na3PO4 = Ag3PO4 + 3 NaNO3
H + SO4{2-} = HSO4{2-} =>
H + SO4{2-} = HSO4{2-}
FeCl3 + Hg = Hg2Cl2 + FeCl2 =>
2 FeCl3 + 2 Hg = Hg2Cl2 + 2 FeCl2
NH3C(NH)2C3H6CH(NH3)COO{+} + O2 = CO(NH2)2 + CO2 + H2O + H{+} =>
2 NH3C(NH)2C3H6CH(NH3)COO{+} + 11 O2 = 4 CO(NH2)2 + 8 CO2 + 6 H2O + 2 H{+}
C8H14O + O = CO2 + H2O =>
C8H14O + 22 O = 8 CO2 + 7 H2O
Mn + HClO = MnO2 + Cl2 + H2 =>
Mn + 2 HClO = MnO2 + Cl2 + H2
Na + H2SO4 = Na2SO4 + H2 =>
2 Na + H2SO4 = Na2SO4 + H2
NaC2H3O2 + H2O = Na2O + C2H4O2 =>
2 NaC2H3O2 + H2O = Na2O + 2 C2H4O2
LiF + O2 = LiFO3 =>
2 LiF + 3 O2 = 2 LiFO3
C4H10 + Cl2 = C4H9Cl + HCl4 =>
2 C4H10 + 5 Cl2 = 2 C4H9Cl + 2 HCl4
MeNO3 = MeNO2 + O2 =>
2 MeNO3 = 2 MeNO2 + O2
Q + HO = HQ + O =>
Q + HO = HQ + O
MnO4 + HSnO2 = SnO3 + MnO2 + H2O =>
3 MnO4 + 4 HSnO2 = 4 SnO3 + 3 MnO2 + 2 H2O
PbS + PbO2 = Pb + SO =>
2 PbS + PbO2 = 3 Pb + 2 SO
Cu + SHO = CuS2 + H2O + SO2 =>
3 Cu + 8 SHO = 3 CuS2 + 4 H2O + 2 SO2
AlCl3 + NaOH = NaCl3AlOH =>
AlCl3 + NaOH = NaCl3AlOH
PbS + PbO2 = Pb + SO =>
2 PbS + PbO2 = 3 Pb + 2 SO
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