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2 H3BO3 + 3 Zn = B2O6Zn3 + 6 H
Mn{2+} + H2O = MnO4{-} + H{+} + e =>
Mn{2+} + 4 H2O = MnO4{-} + 8 H{+} + 5e
PbO2 + H2S = PbS + SO2 + H2O =>
3 PbO2 + 4 H2S = 3 PbS + SO2 + 4 H2O
Na2ZnO2 + H2O = Na2[Zn(OH)4] =>
Na2ZnO2 + 2 H2O = Na2[Zn(OH)4]
NH4CI + KOH = NH3 + H2O + KCI =>
NH4CI + KOH = NH3 + H2O + KCI
P2O5 + SO2 = P2S3 + O2 =>
2 P2O5 + 6 SO2 = 2 P2S3 + 11 O2
AgNO3 + K2SO3 = Ag2SO3 + KNO3 =>
2 AgNO3 + K2SO3 = Ag2SO3 + 2 KNO3
U + F = UF6 =>
U + 6 F = UF6
Si + HNO3 = SiO2 + HNO2 =>
Si + 2 HNO3 = SiO2 + 2 HNO2
Fe(NO3)3 + K2CO3 = Fe2(CO3)3 + KNO3 =>
2 Fe(NO3)3 + 3 K2CO3 = Fe2(CO3)3 + 6 KNO3
H2C4H2O4 + NaOH = NaHC4H2O4 + H2O =>
H2C4H2O4 + NaOH = NaHC4H2O4 + H2O
C2H5COOH + NaOH = C2H5COONa + H2O =>
C2H5COOH + NaOH = C2H5COONa + H2O
HCl(l) + NaOH(l) = H2O + NaCl =>
HCl(l) + NaOH(l) = H2O + NaCl
MoO3(s) + H2(g) = Mo(s) + H2O(l) =>
MoO3(s) + 3 H2(g) = Mo(s) + 3 H2O(l)
NaMnO4 = Na + MnO4 =>
NaMnO4 = Na + MnO4
C6H5OH + FeCl3 = H3[Fe(C6H5O)6] + HCl =>
6 C6H5OH + FeCl3 = H3[Fe(C6H5O)6] + 3 HCl
KNO3 + KOH = K2 + NO3OH =>
KNO3 + KOH = K2 + NO3OH
N2H4(l) + O2(g) = NO2(g) + H2O(l) =>
N2H4(l) + 3 O2(g) = 2 NO2(g) + 2 H2O(l)
CU + H2SO4 + H2O2 = CUSO4 + H2O =>
CU + H2SO4 + H2O2 = CUSO4 + 2 H2O
Na2SiO3 + Ba(OH)2 = BaSiO3 + NaOH =>
Na2SiO3 + Ba(OH)2 = BaSiO3 + 2 NaOH
Cu(NO3)2(aq) + BaS(aq) = Ba(NO3)2(s) + CuS(aq) =>
Cu(NO3)2(aq) + BaS(aq) = Ba(NO3)2(s) + CuS(aq)
C2H3Cl + KOH = C2H2 + KCl + H2O =>
C2H3Cl + KOH = C2H2 + KCl + H2O
KI + NH3 = KH + NI3 =>
3 KI + NH3 = 3 KH + NI3
FeTiO3 + Cl2 + C = TiCl4 + FeCl3 + CO =>
2 FeTiO3 + 7 Cl2 + 6 C = 2 TiCl4 + 2 FeCl3 + 6 CO
FeS = Fe + S8 =>
8 FeS = 8 Fe + S8
(NH4)2SO4(aq) + CaCl2(aq) = CaSO4(aq) + NH4Cl(aq) =>
(NH4)2SO4(aq) + CaCl2(aq) = CaSO4(aq) + 2 NH4Cl(aq)
CuS + KCl = CuCl2 + K2S =>
CuS + 2 KCl = CuCl2 + K2S
V + S = VS2 =>
V + 2 S = VS2
I2 + H2O = IO3 + H =>
I2 + 6 H2O = 2 IO3 + 12 H
Pb{2+} + H2S = PbS + H{+} =>
Pb{2+} + H2S = PbS + 2 H{+}
Fe2O3 = Fe + O2 =>
2 Fe2O3 = 4 Fe + 3 O2
Ca(s) + Mg(NO3)2(aq) = Ca(NO3)(aq) + Mg(s) =>
2 Ca(s) + Mg(NO3)2(aq) = 2 Ca(NO3)(aq) + Mg(s)
MoO3 + Zn = ZnO + Mo =>
MoO3 + 3 Zn = 3 ZnO + Mo
Cu(NO3)2*3H2O + C6H8O7 = CuO + CO2 + H2O + N2 =>
9 Cu(NO3)2*3H2O + 5 C6H8O7 = 9 CuO + 30 CO2 + 47 H2O + 9 N2
Zn + CuCl2 = Cu + ZnCl2 = =>
Zn + CuCl2 = Cu + ZnCl2
NH3(g) + Cl2(g) = NH4Cl(s) + NCl3(g) =>
4 NH3(g) + 3 Cl2(g) = 3 NH4Cl(s) + NCl3(g)
ZnO + HI = ZnI2 + H2O =>
ZnO + 2 HI = ZnI2 + H2O
Na2S2O3(s) + HCl(aq) = NaCl + SO2 + S + H2O =>
Na2S2O3(s) + 2 HCl(aq) = 2 NaCl + SO2 + S + H2O
AlCl3(aq) + NaOH(aq) = Al(OH)3(aq) + NaCl(aq) =>
AlCl3(aq) + 3 NaOH(aq) = Al(OH)3(aq) + 3 NaCl(aq)
Cd + Cu{+} = Cd{2+} + Cu =>
Cd + 2 Cu{+} = Cd{2+} + 2 Cu
P4 + NO3{-} + H2O = PO4{3-} + NO + H{+} =>
3 P4 + 20 NO3{-} + 8 H2O = 12 PO4{3-} + 20 NO + 16 H{+}
Mg(OH)2 + Na2O = Na2MgO2 + H2O =>
Mg(OH)2 + Na2O = Na2MgO2 + H2O
P4(S) + S8(S) = P4S3(S) =>
3 P4(S) + S8(S) = 3 P4S3(S)
CH4 + CI = CCI + HCI =>
CH4 + 5 CI = CCI + 4 HCI
K2S + Ba(OH)2 = K(OH) + BaS =>
K2S + Ba(OH)2 = 2 K(OH) + BaS
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Fe + H2SO3 = FeSO3 + H2 =>
Fe + H2SO3 = FeSO3 + H2
Na2SiO3 + HF = H2SiF6 + NaF + H2O =>
Na2SiO3 + 8 HF = H2SiF6 + 2 NaF + 3 H2O
Cd(NO3)2 + Na3PO4 = CdPO4 + Na3(NO3)2 =>
Cd(NO3)2 + Na3PO4 = CdPO4 + Na3(NO3)2
Na + H = NaH =>
Na + H = NaH
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