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Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
XeF4 + CH4 = Xe + HF + CF4 =>
2 XeF4 + CH4 = 2 Xe + 4 HF + CF4
Cr2O3 + NO2 = CrO2 + N2O3 =>
Cr2O3 + 2 NO2 = 2 CrO2 + N2O3
K + S = K2S4 =>
2 K + 4 S = K2S4
Na + MgF2 = NaF + Mg =>
2 Na + MgF2 = 2 NaF + Mg
NH3 + NO = NH3NO =>
NH3 + NO = NH3NO
(NH4)F + Ca(NO3)2 = NH4NO3 + CaF2 =>
2(NH4)F + Ca(NO3)2 = 2 NH4NO3 + CaF2
LiBr + HOH = HBr + LiOH =>
LiBr + HOH = HBr + LiOH
XeO4 + F2 = F2O + Xe =>
XeO4 + 4 F2 = 4 F2O + Xe
CaBr2 + H2S = CaS + HBr =>
CaBr2 + H2S = CaS + 2 HBr
Zn + (FeCl)3 = ZnCl2 + Fe =>
3 Zn + 2(FeCl)3 = 3 ZnCl2 + 6 Fe
Cu + S = CuS = Cu2S =>
Cu + S = CuS
Na2SO3 = Na2O + SO2 =>
Na2SO3 = Na2O + SO2
Zn(SO4) + Li2CO3 = Zn(CO3) + Li2(SO4) =>
Zn(SO4) + Li2CO3 = Zn(CO3) + Li2(SO4)
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
SO4{2-} + H2O + I{-} = SO3{2-} + OH{-} + I2 =>
SO4{2-} + H2O + 2 I{-} = SO3{2-} + 2 OH{-} + I2
C60H120 + O2 = CO2 + H2O =>
C60H120 + 90 O2 = 60 CO2 + 60 H2O
K3PO4(aq) + Cu(NO3)2 = KNO3(aq) + Cu3(PO4)2(s) =>
2 K3PO4(aq) + 3 Cu(NO3)2 = 6 KNO3(aq) + Cu3(PO4)2(s)
LiBr + S = Li2S + Br =>
2 LiBr + S = Li2S + 2 Br
Fe(OH)3 = H2O + Fe2 + O3 =>
2 Fe(OH)3 = 3 H2O + Fe2 + O3
Al + Fe2S = AlFe2S =>
Al + Fe2S = AlFe2S
Al(s) + F2(g) = AlF3(aq) =>
2 Al(s) + 3 F2(g) = 2 AlF3(aq)
NaCl2(aq) + AgNO3(aq) = AgCl(s) + Na(aq) + NO3(aq) =>
NaCl2(aq) + 2 AgNO3(aq) = 2 AgCl(s) + Na(aq) + 2 NO3(aq)
CH + Br = CHBr3 =>
CH + 3 Br = CHBr3
CuBr2 + KOH = Cu(OH)2 + KBr =>
CuBr2 + 2 KOH = Cu(OH)2 + 2 KBr
Co(NO3)2 + Na2CO3 = CoCO3 + NaNO3 =>
Co(NO3)2 + Na2CO3 = CoCO3 + 2 NaNO3
As2S3 + HClO3 + H2O = H2AsO4 + H2SO4 + HCl =>
As2S3 + 5 HClO3 + 5 H2O = 2 H2AsO4 + 3 H2SO4 + 5 HCl
NaOH + H2SO4 = NaS + H2O + O2 =>
4 NaOH + 4 H2SO4 = 4 NaS + 6 H2O + 7 O2
MnSO4 + (NH4)2S2O8 + H2O = MnO2 + H2SO4 + (NH4)2SO4 =>
MnSO4 + (NH4)2S2O8 + 2 H2O = MnO2 + 2 H2SO4 + (NH4)2SO4
Rb + H = RbH =>
Rb + H = RbH
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
FeCl2 + (NH4)2C2O4 = FeC2O4 + NH4Cl =>
FeCl2 + (NH4)2C2O4 = FeC2O4 + 2 NH4Cl
NaHCO3 + NaH = Na2CO3 + H2 =>
NaHCO3 + NaH = Na2CO3 + H2
NaOH + V2O5 = V(OH)5 + Na2O =>
10 NaOH + V2O5 = 2 V(OH)5 + 5 Na2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Sb2S3 + HNO3 = NO2 + H2SO4 + Sb2O5 + H2O =>
Sb2S3 + 28 HNO3 = 28 NO2 + 3 H2SO4 + Sb2O5 + 11 H2O
Cr2(SO4)3 + K2CO3 + H2O = Cr(OH)3 + CO2 + K2SO4 =>
Cr2(SO4)3 + 3 K2CO3 + 3 H2O = 2 Cr(OH)3 + 3 CO2 + 3 K2SO4
Na2SO3 = Na2S + Na2SO4 =>
4 Na2SO3 = Na2S + 3 Na2SO4
Li + S = Li2S =>
2 Li + S = Li2S
Cr3Cl = Cr + Cl =>
Cr3Cl = 3 Cr + Cl
CaCl2 + NaCl = NaCl2 + CaCl =>
CaCl2 + NaCl = NaCl2 + CaCl
NaOCl + NaI = NaCl + NaIO3 =>
3 NaOCl + NaI = 3 NaCl + NaIO3
Na2O2 + H2O = NaOH + H2O2 =>
Na2O2 + 2 H2O = 2 NaOH + H2O2
NaI(s) + Cl2(g) = NaCl(s) + I2(g) =>
2 NaI(s) + Cl2(g) = 2 NaCl(s) + I2(g)
Ba(Cl)2 + K2SO4 = BaSO4 + KCl =>
Ba(Cl)2 + K2SO4 = BaSO4 + 2 KCl
Mn2O7 + CaO = Ca(MnO4)2 =>
Mn2O7 + CaO = Ca(MnO4)2
Ba(ClO3)2 + NaOH = Ba(OH)2 + NaClO3 =>
Ba(ClO3)2 + 2 NaOH = Ba(OH)2 + 2 NaClO3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Li3N + NH4NO3 = LiNO3 + (NH4)3N =>
Li3N + 3 NH4NO3 = 3 LiNO3 + (NH4)3N
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
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