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3 Fe3O4 = Fe + 4 Fe2O3
NH4S2 + BaCl2 = NH4Cl2 + BaS2 =>
NH4S2 + BaCl2 = NH4Cl2 + BaS2
I{-} + H2SO4 = HI + SO4{2-} =>
2 I{-} + H2SO4 = 2 HI + SO4{2-}
KBrO + MnCl2 + KOH = KBrMnO2 + KCl + H2O =>
KBrO + MnCl2 + 2 KOH = KBrMnO2 + 2 KCl + H2O
C3H6O2 + C6H8N2 = C9H10N2 + H2O =>
C3H6O2 + C6H8N2 = C9H10N2 + 2 H2O
K2MnO4 + KClO2 + H2O = MnO2 + KClO4 + KOH =>
2 K2MnO4 + KClO2 + 2 H2O = 2 MnO2 + KClO4 + 4 KOH
L3 + JV4 = J5L8 + V6 =>
8 L3 + 15 JV4 = 3 J5L8 + 10 V6
C7H5N3O6 = N2 + H2O + CO + C =>
2 C7H5N3O6 = 3 N2 + 5 H2O + 7 CO + 7 C
Sb + S2 = SbS4 =>
Sb + 2 S2 = SbS4
CH3CH2OH + KMnO4 + NaHSO4 = NaKSO4 + CH3COOH + MnO2 + H2O =>
3 CH3CH2OH + 4 KMnO4 + 4 NaHSO4 = 4 NaKSO4 + 3 CH3COOH + 4 MnO2 + 5 H2O
Na2CO3 + KBr = Na2Br + KCO3 =>
Na2CO3 + KBr = Na2Br + KCO3
(CH3)C6H3(NHCOCl)2 = (CH3)C6H3(NCO)2 + HCl =>
(CH3)C6H3(NHCOCl)2 = (CH3)C6H3(NCO)2 + 2 HCl
KMnO4(aq) + CH2O(aq) = H2O(l) + CO2(g) + MnO2(s) + K2CO3(aq) =>
4 KMnO4(aq) + 3 CH2O(aq) = 3 H2O(l) + CO2(g) + 4 MnO2(s) + 2 K2CO3(aq)
K2Cr2O7 + H2SO4 + Na2SO3 = Na2SO4 + Cr2SO4 + H2O + K2SO4 =>
K2Cr2O7 + 2 H2SO4 + 5 Na2SO3 = 5 Na2SO4 + Cr2SO4 + 2 H2O + K2SO4
FeCl3 + Mg(OH)2 = Fe(OH)3 + MgCl2 =>
2 FeCl3 + 3 Mg(OH)2 = 2 Fe(OH)3 + 3 MgCl2
SO2 + H2S = S + H2O =>
SO2 + 2 H2S = 3 S + 2 H2O
ZnSO4*7H2O(aq) + Na2SO4(aq) = ZnSO4(aq) + Na2SO4*10H2O(aq) =>
10 ZnSO4*7H2O(aq) + 7 Na2SO4(aq) = 10 ZnSO4(aq) + 7 Na2SO4*10H2O(aq)
HCI + Na2CO3 = CO2 + H2O + NaCI =>
2 HCI + Na2CO3 = CO2 + H2O + 2 NaCI
CH3COOH + NaOH = C2H5 + NaO3 =>
CH3COOH + NaOH = C2H5 + NaO3
C2H5NH2 + HCl = C2H5NH3 + Cl2 =>
2 C2H5NH2 + 2 HCl = 2 C2H5NH3 + Cl2
Rb + P = RbP =>
Rb + P = RbP
C2H6 + HNO3 + I2 = C2H5I + NH3 + H2O =>
8 C2H6 + HNO3 + 4 I2 = 8 C2H5I + NH3 + 3 H2O
C10H11BrO2 + CH5N = C11H15NO2 + HBr =>
C10H11BrO2 + CH5N = C11H15NO2 + HBr
K2Cr2O7 + H2SO4 + NaBr = K2SO4 + Cr2(SO4)3 + Na2SO4 + H2O + Br =>
K2Cr2O7 + 7 H2SO4 + 6 NaBr = K2SO4 + Cr2(SO4)3 + 3 Na2SO4 + 7 H2O + 6 Br
FeS3 + O2 = Fe3O3 + SO3 =>
3 FeS3 + 15 O2 = Fe3O3 + 9 SO3
SOCl2 = SO2 + S + Cl2 =>
2 SOCl2 = SO2 + S + 2 Cl2
C10H11BrO2 + CH5N = C11H15NO2 + HBr =>
C10H11BrO2 + CH5N = C11H15NO2 + HBr
Zn + Ca(NO3)2 + H2O = NH3 + Ca(OH)2 + Zn(OH)2 =>
8 Zn + Ca(NO3)2 + 12 H2O = 2 NH3 + Ca(OH)2 + 8 Zn(OH)2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Ca2 + HNO3 = NH4NO3 + Ca(NO3)2 + H2O =>
2 Ca2 + 10 HNO3 = NH4NO3 + 4 Ca(NO3)2 + 3 H2O
MaCl2 + NaOH = Ma(OH)2 + NaCl =>
MaCl2 + 2 NaOH = Ma(OH)2 + 2 NaCl
(AuAg) + HNO3 = Au + AgNO3 + H =>
(AuAg) + HNO3 = Au + AgNO3 + H
Na + H2 = Na2H2 =>
2 Na + H2 = Na2H2
Fe(NO3)3(aq) + Mg(s) = Fe(s) + Mg(NO3)2(aq) =>
2 Fe(NO3)3(aq) + 3 Mg(s) = 2 Fe(s) + 3 Mg(NO3)2(aq)
AgBr + NH4OH = Ag(NH3)2 + Br + H2O =>
AgBr + 2 NH4OH = Ag(NH3)2 + Br + 2 H2O
NaHCO3 + C6H8O6 = C6H5Na3O7 + CO2 + H2O =>
30 NaHCO3 + 9 C6H8O6 = 10 C6H5Na3O7 + 24 CO2 + 26 H2O
CH3COOH + RbOH = CH3COORb + H2O =>
CH3COOH + RbOH = CH3COORb + H2O
K{+} + e = K =>
K{+} + e = K
C10H12 + O2 = C2H2 + H2O =>
2 C10H12 + O2 = 10 C2H2 + 2 H2O
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
Pb(NO3)2(aq) + KL(aq) = PbL2(s) + KNO3(aq) =>
Pb(NO3)2(aq) + 2 KL(aq) = PbL2(s) + 2 KNO3(aq)
Ca + P = Ca3P2 =>
3 Ca + 2 P = Ca3P2
Bi2S3 + NO3{-} + H{+} = BiO{+} + S + NO + H2O =>
Bi2S3 + 2 NO3{-} + 4 H{+} = 2 BiO{+} + 3 S + 2 NO + 2 H2O
HCl(aq) + CuO(aq) = CuCl2(aq) + H2O(l) =>
2 HCl(aq) + CuO(aq) = CuCl2(aq) + H2O(l)
CaI2 + (NH4)3PO4 = Ca3(PO4)2 + NH4I =>
3 CaI2 + 2(NH4)3PO4 = Ca3(PO4)2 + 6 NH4I
KNO3(s) = K2O(s) + N(g) + O2(g) =>
4 KNO3(s) = 2 K2O(s) + 4 N(g) + 5 O2(g)
(NH4)2BeO2 + HCl = NH4Cl + BeCl2 + H2O =>
(NH4)2BeO2 + 4 HCl = 2 NH4Cl + BeCl2 + 2 H2O
Mg + HCl(aq) = MgCl2 + H2(g) =>
Mg + 2 HCl(aq) = MgCl2 + H2(g)
Pb(C2H3O2)2(aq) + NH4I(aq) = PbI(s) + NH4(C2H3O2)2 =>
Pb(C2H3O2)2(aq) + NH4I(aq) = PbI(s) + NH4(C2H3O2)2
Fe2O3 + KBrO + KOH = K2FeO4 + KBr + H2O =>
Fe2O3 + 3 KBrO + 4 KOH = 2 K2FeO4 + 3 KBr + 2 H2O
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