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2 Fe2S3 + 3 O2 = 2 Fe2O3 + 6 S
Al(NO3)3 + CaSO4 = Ca(NO3)2 + Al2(SO4)3 =>
2 Al(NO3)3 + 3 CaSO4 = 3 Ca(NO3)2 + Al2(SO4)3
Pb(C2H3O2)2 + HNO3 = Pb(NO3)2 + HC2H3O2 =>
Pb(C2H3O2)2 + 2 HNO3 = Pb(NO3)2 + 2 HC2H3O2
C7H16 + H2 = C7H19 =>
2 C7H16 + 3 H2 = 2 C7H19
Li + N2 = Li3N =>
6 Li + N2 = 2 Li3N
Cr + KNO2 + KOH = KCrO2 + K2N2O2 + H2O =>
4 Cr + 6 KNO2 + 4 KOH = 4 KCrO2 + 3 K2N2O2 + 2 H2O
H3PO4 + CaCo3 = Ca3(PO4)2 + H2Co3 =>
2 H3PO4 + 3 CaCo3 = Ca3(PO4)2 + 3 H2Co3
P + HNO3 + H2O = H3PO4 + NO =>
3 P + 5 HNO3 + 2 H2O = 3 H3PO4 + 5 NO
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
KNO2 + HCl = KCl + NO + H2O + KNO3 =>
3 KNO2 + 2 HCl = 2 KCl + 2 NO + H2O + KNO3
KSCN(aq) + Fe(NO3)3(aq) = Fe(SCN)3(aq) + KNO3(aq) =>
3 KSCN(aq) + Fe(NO3)3(aq) = Fe(SCN)3(aq) + 3 KNO3(aq)
HNO3(aq)CuSO4(aq) = HSO4CuNO3 =>
HNO3(aq)CuSO4(aq) = HSO4CuNO3
K2S(aq) + BaCl2(aq) = BaS(s) + KCl(aq) =>
K2S(aq) + BaCl2(aq) = BaS(s) + 2 KCl(aq)
Al2Cl3 + Cs = Al + CsCl =>
Al2Cl3 + 3 Cs = 2 Al + 3 CsCl
C2H4O2NaF = NaC2H3O2HF =>
C2H4O2NaF = NaC2H3O2HF
Zn + H2S = ZnS + H2 =>
Zn + H2S = ZnS + H2
Al + Cl2 + H2SO4 = Al2(SO4)3 + HCl =>
2 Al + 3 Cl2 + 3 H2SO4 = Al2(SO4)3 + 6 HCl
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Cr2O3 + H2O = Cr(OH)3 =>
Cr2O3 + 3 H2O = 2 Cr(OH)3
TiCl2 + O2 = TiO2 + Cl2 =>
TiCl2 + O2 = TiO2 + Cl2
BF3 + Li2(SO4) = B2(SO4)3 + LiF =>
2 BF3 + 3 Li2(SO4) = B2(SO4)3 + 6 LiF
Na2S + HCl = NaCl + H2S =>
Na2S + 2 HCl = 2 NaCl + H2S
Ca + HCl = CaCl1 + H2 =>
2 Ca + 2 HCl = 2 CaCl1 + H2
Fe(OH)3 + NH3 = Fe(NH3) + OH =>
Fe(OH)3 + NH3 = Fe(NH3) + 3 OH
FeS2 + O2 + H2O + {-} = Fe(OH)3 + SO4{2-} =>
4 FeS2 + 19 O2 + 6 H2O + 16e = 4 Fe(OH)3 + 8 SO4{2-}
HCl + MgOH = MgCl + H2O = =>
HCl + MgOH = MgCl + H2O
ZnBr2 + (NH4)2S = ZnS + NH4Br =>
ZnBr2 + (NH4)2S = ZnS + 2 NH4Br
CS(NH2)2 + HBrO3 + H2O = CO(NH2)2 + HBr + H2SO4 =>
3 CS(NH2)2 + 4 HBrO3 + 3 H2O = 3 CO(NH2)2 + 4 HBr + 3 H2SO4
Ag{+} + Zn(NO3)2 = Zn{+2} + AgNO3 =>
2 Ag{+} + Zn(NO3)2 = Zn{+2} + 2 AgNO3
ZaCI2 = Za + CI2 =>
ZaCI2 = Za + CI2
Sn(SO4)2 + Al = Al2(SO4)3 + Sn =>
3 Sn(SO4)2 + 4 Al = 2 Al2(SO4)3 + 3 Sn
Fe(OH)3 + NH3 = [Fe(NH3)6](OH)3 =>
Fe(OH)3 + 6 NH3 = [Fe(NH3)6](OH)3
CH3CH3CHOH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO2 + CH3CH3CO + H2O =>
5 CH3CH3CHOH + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO2 + 5 CH3CH3CO + 9 H2O
Zn2O2 + HCl = ZnCl2 + H2O =>
Zn2O2 + 4 HCl = 2 ZnCl2 + 2 H2O
Cr + CO3 = Cr(CO3)3 =>
Cr + 3 CO3 = Cr(CO3)3
Mg(OH)2 + HBr = Mg(Br)2 + H2O =>
Mg(OH)2 + 2 HBr = Mg(Br)2 + 2 H2O
H3PO4 + CaCO3 = H3CO3 + CaPO4 =>
H3PO4 + CaCO3 = H3CO3 + CaPO4
[Fe(CN)6] + KSCN = K4[Fe(CN)6] + SCN =>
[Fe(CN)6] + 4 KSCN = K4[Fe(CN)6] + 4 SCN
C6HH6 + O2 = CO2 + H2O =>
4 C6HH6 + 31 O2 = 24 CO2 + 14 H2O
I2 + HBrO3 + H2O = HIO3 + HBr =>
3 I2 + 5 HBrO3 + 3 H2O = 6 HIO3 + 5 HBr
P4O10 + NaOH = Na3PO4 + H2O =>
P4O10 + 12 NaOH = 4 Na3PO4 + 6 H2O
Sc(OH)2 + HNO3 = Sc(NO3)2 + H2O =>
Sc(OH)2 + 2 HNO3 = Sc(NO3)2 + 2 H2O
BaI2 + H2O = Ba(OH)2 + HI =>
BaI2 + 2 H2O = Ba(OH)2 + 2 HI
K3PO4 + Zn(NO3)2 = KNO3 + Zn3(PO4)2 =>
2 K3PO4 + 3 Zn(NO3)2 = 6 KNO3 + Zn3(PO4)2
Cu + H(NO3) = NO2 + H2O + Cu(NO3)2 =>
Cu + 4 H(NO3) = 2 NO2 + 2 H2O + Cu(NO3)2
P2S = P + S =>
P2S = 2 P + S
Fe(OH)3 + NH3 = FeNH3 + OH =>
Fe(OH)3 + NH3 = FeNH3 + 3 OH
Zn(OH)2 + H2SO4 = ZnSO4 + H2O =>
Zn(OH)2 + H2SO4 = ZnSO4 + 2 H2O
CuSO4 + HCl = CuCl + HSO4 =>
CuSO4 + HCl = CuCl + HSO4
C9H8 + Cr2O7{-2} + H{+} = C9H8O4 + Cr{+3} + H2O =>
3 C9H8 + 4 Cr2O7{-2} + 32 H{+} = 3 C9H8O4 + 8 Cr{+3} + 16 H2O
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