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CuSO4 + 2 S = CuS + 2 SO2
Al2(SO4)3 + K3N = K2SO4 + AlN =>
Al2(SO4)3 + 2 K3N = 3 K2SO4 + 2 AlN
H2S + NO3{-} + Fe{+2} = FeS2 + N2 + H{+} + H2O =>
10 H2S + 2 NO3{-} + 5 Fe{+2} = 5 FeS2 + N2 + 8 H{+} + 6 H2O
SeO3 = Se + O2 =>
2 SeO3 = 2 Se + 3 O2
As2S3 + HNO3 = As4O10 + H2SO4 + NO2 + H2O =>
2 As2S3 + 56 HNO3 = As4O10 + 6 H2SO4 + 56 NO2 + 22 H2O
SbF5 = Sb + F2 =>
2 SbF5 = 2 Sb + 5 F2
CUSO4(aq) + NH3(aq) = [CU(NH3)4]SO4(aq) =>
CUSO4(aq) + 4 NH3(aq) = [CU(NH3)4]SO4(aq)
Ni(NO3)2 + Na2S = NiS + NaNO3 =>
Ni(NO3)2 + Na2S = NiS + 2 NaNO3
Cd + Au(BrO3)3 = Cd(BrO3)2 + Au =>
3 Cd + 2 Au(BrO3)3 = 3 Cd(BrO3)2 + 2 Au
FeSO4 + NH4OH = Fe(NH3)6SO4 + H2O =>
FeSO4 + 6 NH4OH = Fe(NH3)6SO4 + 6 H2O
Cu2 + H2O = Cu(OH)2 + H2 =>
Cu2 + 4 H2O = 2 Cu(OH)2 + 2 H2
Fe2(SO4)3 + K4(Fe(CN)6) = Fe4(Fe(CN)6)3 + K2SO4 =>
2 Fe2(SO4)3 + 3 K4(Fe(CN)6) = Fe4(Fe(CN)6)3 + 6 K2SO4
NH4Br + Mg(NO3)2 = MgBr2 + N2O + H2O =>
2 NH4Br + Mg(NO3)2 = MgBr2 + 2 N2O + 4 H2O
AgC1 + Zn = ZnC12 + Ag =>
12 AgC1 + Zn = ZnC12 + 12 Ag
Na2CO3 + CuNO3 = Cu2CO3 + NaNO3 =>
Na2CO3 + 2 CuNO3 = Cu2CO3 + 2 NaNO3
NaNO2 + Na2S + H2SO4 = Na2SO4 + NO + H2O =>
8 NaNO2 + Na2S + 4 H2SO4 = 5 Na2SO4 + 8 NO + 4 H2O
Ca + N2 = CaN2 =>
Ca + N2 = CaN2
PbI2 + Cl2 = PbCl2 + I2 =>
PbI2 + Cl2 = PbCl2 + I2
Ba(NC)2 + H2SO4 = BaSO4 + HCN =>
Ba(NC)2 + H2SO4 = BaSO4 + 2 HCN
Bi(NO3)3(aq) + Na2S(aq) = Bi2S3(s) + NaNO3(aq) =>
2 Bi(NO3)3(aq) + 3 Na2S(aq) = Bi2S3(s) + 6 NaNO3(aq)
N2 + Ca = Ca3N2 =>
N2 + 3 Ca = Ca3N2
Na2CO3 + Cr(NO3)3 + H2O = H2CO3 + Cr(OH)3 + NaNO3 =>
3 Na2CO3 + 2 Cr(NO3)3 + 6 H2O = 3 H2CO3 + 2 Cr(OH)3 + 6 NaNO3
Al(OH)3 + CuCl2 = AlCl3 + Cu(OH)2 =>
2 Al(OH)3 + 3 CuCl2 = 2 AlCl3 + 3 Cu(OH)2
Al(No3)3 + Mg = Al + MgNo3 =>
Al(No3)3 + 3 Mg = Al + 3 MgNo3
C5H8 + Cl2 = C + HCl =>
C5H8 + 4 Cl2 = 5 C + 8 HCl
C3N4 = (CN)2 + N2 =>
2 C3N4 = 3(CN)2 + N2
CH2CH((CH2)2)CH3 + O2 = CO + H2O =>
CH2CH((CH2)2)CH3 + 5 O2 = 5 CO + 5 H2O
CH3COONa + H = CH3COONaH =>
CH3COONa + H = CH3COONaH
NiO + H2 = Ni + H2O =>
NiO + H2 = Ni + H2O
Co(NO3)2 + NaOH = Na2(NO3)2 + Co(OH)2 =>
Co(NO3)2 + 2 NaOH = Na2(NO3)2 + Co(OH)2
Pb(OH)4 + HNO2 = Pb(NO2)4 + H2O =>
Pb(OH)4 + 4 HNO2 = Pb(NO2)4 + 4 H2O
Br2 + NO + H2O = Br{-} + HNO2 + H{+} =>
Br2 + 2 NO + 2 H2O = 2 Br{-} + 2 HNO2 + 2 H{+}
CH4 + H2O = CH3OH + H =>
CH4 + H2O = CH3OH + 2 H
N5O + H2O = HNO3 + HN =>
6 N5O + 15 H2O = 7 HNO3 + 23 HN
Pb(NO3)2(s) + NaI(s) = PbI2(s) + NaNO3(s) =>
Pb(NO3)2(s) + 2 NaI(s) = PbI2(s) + 2 NaNO3(s)
Zn(NO3)2 + KMnO4 = Zn(MnO4)2 + KNO3 =>
Zn(NO3)2 + 2 KMnO4 = Zn(MnO4)2 + 2 KNO3
NaCIO3 = NaCI + O2 = =>
2 NaCIO3 = 2 NaCI + 3 O2
HBr(aq) + Be(OH)2(aq) = H2O(l) + BeBr2(aq) =>
2 HBr(aq) + Be(OH)2(aq) = 2 H2O(l) + BeBr2(aq)
NaMnO4 + Na2SO3 + H2SO4 = MnSO4 + Na2SO4 + H2O =>
2 NaMnO4 + 5 Na2SO3 + 3 H2SO4 = 2 MnSO4 + 6 Na2SO4 + 3 H2O
K2MnO4 + Ca = CaMnO4 + K2 =>
K2MnO4 + Ca = CaMnO4 + K2
SnCl2 + I2 = SnCl4 + SnI4 =>
2 SnCl2 + 2 I2 = SnCl4 + SnI4
Fe2O3 + LiOH = Li2O + Fe(OH)3 =>
Fe2O3 + 6 LiOH = 3 Li2O + 2 Fe(OH)3
Be(OH)2*BeCO3 + (NH4)2CO3 = (NH4)2[Be(CO3)2] + NH3*H2O =>
Be(OH)2*BeCO3 + 3(NH4)2CO3 = 2(NH4)2[Be(CO3)2] + 2 NH3*H2O
SF6 + O2 = SO4 + F2 =>
SF6 + 2 O2 = SO4 + 3 F2
I4O9(S) = I2O6(S) + I2(s) + O2(g) =>
2 I4O9(S) = 2 I2O6(S) + 2 I2(s) + 3 O2(g)
Z + O2 = Z2O5 =>
4 Z + 5 O2 = 2 Z2O5
MgSO4 = MgSO3 + O2 =>
2 MgSO4 = 2 MgSO3 + O2
Cu + CH3COOH = Cu(CH3COO) + H2 =>
2 Cu + 2 CH3COOH = 2 Cu(CH3COO) + H2
P4O10 + HClO4 = H3PO4 + Cl2O7 =>
P4O10 + 12 HClO4 = 4 H3PO4 + 6 Cl2O7
I{-}(aq) + Br2(aq) = I2(s) + Br{-}(aq) =>
2 I{-}(aq) + Br2(aq) = I2(s) + 2 Br{-}(aq)
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