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2 Fe{+3} + Sn{+2}{+} = 2 Fe{+2}{+} + Sn{+4}
SiO2(s) + Al(aq) = Si(s) + Al2O3() =>
3 SiO2(s) + 4 Al(aq) = 3 Si(s) + 2 Al2O3()
I2 + NaCr2O7 + H2SO4 = Cr(SO4)3 + NaIO3 + Na2SO4 + H2O =>
I2 + 10 NaCr2O7 + 64 H2SO4 = 20 Cr(SO4)3 + 2 NaIO3 + 4 Na2SO4 + 64 H2O
CrCl2 + NaClO + NaOH = Na2CrO4 + NaCl + H2O =>
CrCl2 + 2 NaClO + 4 NaOH = Na2CrO4 + 4 NaCl + 2 H2O
(NH4)2SO4 + KOH = NH3 + K2SO4 + H2O =>
(NH4)2SO4 + 2 KOH = 2 NH3 + K2SO4 + 2 H2O
Kl + AgNO = KlNO + Ag =>
Kl + AgNO = KlNO + Ag
CH3CH2CH2CH2OH + NaBr + H2SO4 = CH3CH2CH2CH2Br + Na2SO4 + H2O =>
2 CH3CH2CH2CH2OH + 2 NaBr + H2SO4 = 2 CH3CH2CH2CH2Br + Na2SO4 + 2 H2O
Mg + HNO3 = MgNO3 + NO2 + H2O =>
Mg + 2 HNO3 = MgNO3 + NO2 + H2O
Rb20 + H2O = H2RbO =>
Rb20 + 20 H2O = 20 H2RbO
B2O3 + I2 = BI2 + O2 =>
2 B2O3 + 4 I2 = 4 BI2 + 3 O2
Fe2O3 + HBr = FeBr3 + H2O =>
Fe2O3 + 6 HBr = 2 FeBr3 + 3 H2O
U2V = U + V =>
U2V = 2 U + V
CH3CHO + Ag(NH3)2OH = CH3COONH4 + Ag + NH3 + H2O =>
CH3CHO + 2 Ag(NH3)2OH = CH3COONH4 + 2 Ag + 3 NH3 + H2O
P2O5 + Na2O = Na3PO4 =>
P2O5 + 3 Na2O = 2 Na3PO4
Al2O12S3 + H3PO4 = AlPO4 + H2SO4 =>
Al2O12S3 + 2 H3PO4 = 2 AlPO4 + 3 H2SO4
(Co(NH3)4CO3)NO3 + HCl + NH3 = CO2 + H2O + HNO3 + (Co(NH3)5Cl)Cl2 =>
(Co(NH3)4CO3)NO3 + 3 HCl + NH3 = CO2 + H2O + HNO3 + (Co(NH3)5Cl)Cl2
N3 + H2O = NH3 + NO =>
5 N3 + 9 H2O = 6 NH3 + 9 NO
BCl2 + AgNO3 = B(NO3)2 + AgCl =>
BCl2 + 2 AgNO3 = B(NO3)2 + 2 AgCl
Sb(OH)3 + BaCl2 = Ba(OH)2 + SbCl3 =>
2 Sb(OH)3 + 3 BaCl2 = 3 Ba(OH)2 + 2 SbCl3
CrOH{2+} + H2O = Cr2O7{2-} + H{+} + {-} =>
2 CrOH{2+} + 5 H2O = Cr2O7{2-} + 12 H{+} + 6e
Mg(OH)2 + (CO2)2 = Mg(HCO3)2 =>
Mg(OH)2 + (CO2)2 = Mg(HCO3)2
Cr7C3 + C = Cr3C2 =>
3 Cr7C3 + 5 C = 7 Cr3C2
CrO4{-2} + CN{-} + H2O = CNO{-} + Cr(OH)3{-} + OH{-} =>
CrO4{-2} + 2 CN{-} + 2 H2O = 2 CNO{-} + Cr(OH)3{-} + OH{-}
Pb + CuClO3 = Pb(ClO3)2 + Cu =>
Pb + 2 CuClO3 = Pb(ClO3)2 + 2 Cu
CrI3 + KOH + CI = K2CrO4 + KIO4 + KCI + H2O =>
CrI3 + 32 KOH + 27 CI = K2CrO4 + 3 KIO4 + 27 KCI + 16 H2O
Cr2S3 + FeSO4 = Cr2(SO4)3 + FeS =>
Cr2S3 + 3 FeSO4 = Cr2(SO4)3 + 3 FeS
AlBr3 + H2O = H2 + Al(OH)3 + Br2 =>
2 AlBr3 + 6 H2O = 3 H2 + 2 Al(OH)3 + 3 Br2
FeS + H2SO4 = FeSO4 + H2S =>
FeS + H2SO4 = FeSO4 + H2S
Na2S2O4 + O2 + H2O = NaHSO4 + NaHSO3 =>
Na2S2O4 + O2 + H2O = NaHSO4 + NaHSO3
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
MnI2 + Ag(NO3) = AgI + Mn(NO3)2 =>
MnI2 + 2 Ag(NO3) = 2 AgI + Mn(NO3)2
CU + C3H6O3 = CU(C3H6O3) =>
CU + C3H6O3 = CU(C3H6O3)
N2O4 = N2 + O =>
N2O4 = N2 + 4 O
MgBr2 + I2 = MgI2 + Br =>
MgBr2 + I2 = MgI2 + 2 Br
FeCl2 + AgNO3 = Fe(NO3)2 + AgCl =>
FeCl2 + 2 AgNO3 = Fe(NO3)2 + 2 AgCl
CaBr2 + Na2SO3 = Ca(SO3) + NaBr =>
CaBr2 + Na2SO3 = Ca(SO3) + 2 NaBr
HCN + NO3 = HNO3 + CN =>
HCN + NO3 = HNO3 + CN
NO2 + H2O + O2 = HNO3 =>
4 NO2 + 2 H2O + O2 = 4 HNO3
(NH4)2SO4 + Ca(OH)2 = H2O + CaSO4 + NH3 =>
(NH4)2SO4 + Ca(OH)2 = 2 H2O + CaSO4 + 2 NH3
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
Al2(SO4)3 + Mg = MgSO4 + Al =>
Al2(SO4)3 + 3 Mg = 3 MgSO4 + 2 Al
AgNO3(aq) + NaCl(s) = AgCl(s) + NaNO3(l) =>
AgNO3(aq) + NaCl(s) = AgCl(s) + NaNO3(l)
VO2 + O2 = V2O5 =>
4 VO2 + O2 = 2 V2O5
SO + HNO3 = SO2 + NO2 + H2O =>
SO + 2 HNO3 = SO2 + 2 NO2 + H2O
NaOHCr(OH)3 = CrNa(OH)4 =>
NaOHCr(OH)3 = CrNa(OH)4
Fe2O3 + HF = FeF2 + H2O + O2 =>
2 Fe2O3 + 8 HF = 4 FeF2 + 4 H2O + O2
KCl + NaNO3 = K(NO3) + NaCl =>
KCl + NaNO3 = K(NO3) + NaCl
NH3 + SO4{2-} = NO3{-} + HS{-} + H2O =>
NH3 + SO4{2-} = NO3{-} + HS{-} + H2O
AlCl3 + I = AlI3 + Cl2 =>
2 AlCl3 + 6 I = 2 AlI3 + 3 Cl2
C6H12P6(s) + O2(g) = CO2(g) + H2O(l) + P =>
C6H12P6(s) + 9 O2(g) = 6 CO2(g) + 6 H2O(l) + 6 P
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