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SiO2(s) + C(s) = Si(s) + C(O2)(s)
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Zn(OH)2 + NaHCO3 = Zn(CO3) + NaOH + H2O =>
Zn(OH)2 + NaHCO3 = Zn(CO3) + NaOH + H2O
FeBr3 + CuSO4 = FeSO4 + CuBr3 =>
FeBr3 + CuSO4 = FeSO4 + CuBr3
MnSO4 + Pb2O4 + HNO3 = PbSO4 + Pb(NO3)2 + HMnO4 + H2O =>
4 MnSO4 + 5 Pb2O4 + 12 HNO3 = 4 PbSO4 + 6 Pb(NO3)2 + 4 HMnO4 + 4 H2O
(HCOO)2Hg = CO2 + HCOOH + Hg =>
(HCOO)2Hg = CO2 + HCOOH + Hg
V2O5 + HCl = VOCl3 + H2O =>
V2O5 + 6 HCl = 2 VOCl3 + 3 H2O
FeCl3 + K3(PO4) = KCl + Fe(PO4) =>
FeCl3 + K3(PO4) = 3 KCl + Fe(PO4)
C2H5Cl + Cl2 = C2H5Cl3 =>
C2H5Cl + Cl2 = C2H5Cl3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Pb(NO3)2(aq)MnI2(aq) = PbI2(s)Mn(NO3)2 =>
Pb(NO3)2(aq)MnI2(aq) = PbI2(s)Mn(NO3)2
CH3COOH + KOH = CH3COOK + H2O =>
CH3COOH + KOH = CH3COOK + H2O
N2(g) + O2 = NO =>
N2(g) + O2 = 2 NO
K + SO2 = K2SO3 + K2S2O3 =>
4 K + 3 SO2 = K2SO3 + K2S2O3
Ag(NH3)2 + HNO3 = Ag(NO3)2 + NH4 =>
Ag(NH3)2 + 2 HNO3 = Ag(NO3)2 + 2 NH4
UO2(SO4) + Na2S(s) + HF(g) = UF4(s) + Na2SO4(s) + S(s) + H2O(g) =>
UO2(SO4) + Na2S(s) + 4 HF(g) = UF4(s) + Na2SO4(s) + S(s) + 2 H2O(g)
Ca(OH)2 + Al2(SO4)3 = Al(OH)3 + Ca(SO4) =>
3 Ca(OH)2 + Al2(SO4)3 = 2 Al(OH)3 + 3 Ca(SO4)
Mg + AgNO2 = Ag + Mg(NO2)2 =>
Mg + 2 AgNO2 = 2 Ag + Mg(NO2)2
CuCl2 + Na2CrO4 = CuCrO4 + NaCl =>
CuCl2 + Na2CrO4 = CuCrO4 + 2 NaCl
C2H5CI + O2 = CO2 + H2O + CI =>
4 C2H5CI + 13 O2 = 8 CO2 + 10 H2O + 4 CI
K + SO2 = K2O + S2 =>
8 K + 2 SO2 = 4 K2O + S2
CuCl2 + NH3 + H2O = Cu(NH3)4(H2O)2 + NH4Cl + OH =>
CuCl2 + 6 NH3 + 4 H2O = Cu(NH3)4(H2O)2 + 2 NH4Cl + 2 OH
K2ZnO2 = K2O + ZnO =>
K2ZnO2 = K2O + ZnO
NH4HCO3 + HCOOH = HCO2NH4 + CO2 + H2O =>
NH4HCO3 + HCOOH = HCO2NH4 + CO2 + H2O
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
KI(aq) + H2SO4(aq) = KSO4(aq) + H2I(aq) =>
KI(aq) + H2SO4(aq) = KSO4(aq) + H2I(aq)
KNO3 + Ca(ClO4)2 = Ca(NO3)2 + KClO4 =>
2 KNO3 + Ca(ClO4)2 = Ca(NO3)2 + 2 KClO4
N2(g) + O2 = N2O5 =>
2 N2(g) + 5 O2 = 2 N2O5
CrF2 + (NH4)2CO3 = CrCO3 + NH4F =>
CrF2 + (NH4)2CO3 = CrCO3 + 2 NH4F
SeCl6 + O2 = SeO2 + Cl2 =>
SeCl6 + O2 = SeO2 + 3 Cl2
CH3COOH + KOH = KC2H3O2 + H2O =>
CH3COOH + KOH = KC2H3O2 + H2O
K + SO2 = K2O + S2 =>
8 K + 2 SO2 = 4 K2O + S2
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
Na2CrO4 + CuCl2 = NaCl + CrO4Cu =>
Na2CrO4 + CuCl2 = 2 NaCl + CrO4Cu
Ag(NH3)2 + HNO3 = AgNO3 + NH3 + H =>
Ag(NH3)2 + HNO3 = AgNO3 + 2 NH3 + H
CuCl2 + NH3 + H2O = Cu(NH3)4(H2O)2{2+} + NH4Cl + OH{-} =>
CuCl2 + 6 NH3 + 4 H2O = Cu(NH3)4(H2O)2{2+} + 2 NH4Cl + 2 OH{-}
K + SO2 = K2O + S =>
4 K + SO2 = 2 K2O + S
KI(aq) + H2SO4(aq) = K2SO4 + I2 + H2S + H2O =>
8 KI(aq) + 5 H2SO4(aq) = 4 K2SO4 + 4 I2 + H2S + 4 H2O
CH3COOH + KOH = CH3CO2K + H2O =>
CH3COOH + KOH = CH3CO2K + H2O
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
N2(g) + O2 = N2O3 =>
2 N2(g) + 3 O2 = 2 N2O3
CuS + HNO3 = Cu(NO3)2 + S + NO + H2O =>
3 CuS + 8 HNO3 = 3 Cu(NO3)2 + 3 S + 2 NO + 4 H2O
K + SO2 = KSO2 =>
K + SO2 = KSO2
CrO3 + NaOH = Na2CrO4 + H2O =>
CrO3 + 2 NaOH = Na2CrO4 + H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
CuCl2 + Na2CrO4 = CuCrO4 + Na(Cl) =>
CuCl2 + Na2CrO4 = CuCrO4 + 2 Na(Cl)
H2SO4 + H2C2O4 + KMnO4 = K2SO4 + MnSO4 + CO2 + H2O =>
3 H2SO4 + 5 H2C2O4 + 2 KMnO4 = K2SO4 + 2 MnSO4 + 10 CO2 + 8 H2O
CuCl2 + NH3 + H2O = [Cu(NH3)4](OH)2 + NH4Cl =>
CuCl2 + 6 NH3 + 2 H2O = [Cu(NH3)4](OH)2 + 2 NH4Cl
Al2O12S3 + H3PO4 = AlPO4 + H2SO4 =>
Al2O12S3 + 2 H3PO4 = 2 AlPO4 + 3 H2SO4
NaCl + SO3 = Na2SO4 + Cl2 + SO2 =>
2 NaCl + 2 SO3 = Na2SO4 + Cl2 + SO2
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