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Se + 2 H2SO4 = SeO2 + 2 SO2 + 2 H2O
ZnCl2 + HNO3 = Zn(NO3)2 + HCl =>
ZnCl2 + 2 HNO3 = Zn(NO3)2 + 2 HCl
Al3 + Br2 = AlBr3 =>
2 Al3 + 9 Br2 = 6 AlBr3
Zn + K3[Fe(CN)6] + H2SO4 = Zn2[Fe(CN)6] + H2 + K2SO4 =>
4 Zn + 2 K3[Fe(CN)6] + 3 H2SO4 = 2 Zn2[Fe(CN)6] + 3 H2 + 3 K2SO4
KI + KMnO4 + H2SO4 = KSO4 + MnSO4 + I2 + H2O =>
2 KI + KMnO4 + 4 H2SO4 = 3 KSO4 + MnSO4 + I2 + 4 H2O
Se + H2SO4 = SeO2 + SO2 + H2O =>
Se + 2 H2SO4 = SeO2 + 2 SO2 + 2 H2O
C6H5Cl + C2H5OH = C2H5Cl + C6H5OH =>
C6H5Cl + C2H5OH = C2H5Cl + C6H5OH
Hg(OH)2 = HgO + H2O =>
Hg(OH)2 = HgO + H2O
NaAlO2 + H2O + Al2(SO4)3 = AlOOH + Na2SO4 =>
6 NaAlO2 + 4 H2O + Al2(SO4)3 = 8 AlOOH + 3 Na2SO4
Se + H2SO4 = SeO2 + SO2 + H2O =>
Se + 2 H2SO4 = SeO2 + 2 SO2 + 2 H2O
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
HNO2 + HSO3{-} = HON(SO3)2{2-} + H2O =>
HNO2 + 2 HSO3{-} = HON(SO3)2{2-} + H2O
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
Ni(OH)2 + H2SeO4 = Ni2(SeO4)2 + H2O =>
2 Ni(OH)2 + 2 H2SeO4 = Ni2(SeO4)2 + 4 H2O
H1 + F2 = HF =>
2 H1 + F2 = 2 HF
S8(s) + F2(s) = SF6(s) =>
S8(s) + 24 F2(s) = 8 SF6(s)
Pd(NO3)2 + C6H8O6 = CO2 + H2O + N2 + Pd =>
5 Pd(NO3)2 + 3 C6H8O6 = 18 CO2 + 12 H2O + 5 N2 + 5 Pd
CaO + Ni(OH)2 = Ca(OH)2 + NiO =>
CaO + Ni(OH)2 = Ca(OH)2 + NiO
H3PO4 + NaOH = NaH2PO4 + H2O =>
H3PO4 + NaOH = NaH2PO4 + H2O
H2S + Br2 = HBr + S2 =>
2 H2S + 2 Br2 = 4 HBr + S2
H3BO3 + HF = BF3 + H2O =>
H3BO3 + 3 HF = BF3 + 3 H2O
Mg3N2 + H2SO4 = MgSO4 + (NH4)2SO4 =>
Mg3N2 + 4 H2SO4 = 3 MgSO4 + (NH4)2SO4
CaCO3 + K2CO3 + HCl = CO2 + CaCl2 + KOH =>
CaCO3 + K2CO3 + 2 HCl = 2 CO2 + CaCl2 + 2 KOH
K2SO3 + HCl = KCl + SO3 + H2 =>
K2SO3 + 2 HCl = 2 KCl + SO3 + H2
CaO + Ni(OH)2 = Ca(OH)2 + NiO =>
CaO + Ni(OH)2 = Ca(OH)2 + NiO
Mg + H2SO4 = Mg3(SO4)3 + H2 =>
3 Mg + 3 H2SO4 = Mg3(SO4)3 + 3 H2
H2S + Br2 = HBr + S2 =>
2 H2S + 2 Br2 = 4 HBr + S2
Fe + (OH)3 = Fe(OH)3 =>
Fe + (OH)3 = Fe(OH)3
Ca + V2O5 = CaV + O =>
2 Ca + V2O5 = 2 CaV + 5 O
Pd(NO3)2 + C6H8O6 = CO2 + H2O + N2 + Pd =>
5 Pd(NO3)2 + 3 C6H8O6 = 18 CO2 + 12 H2O + 5 N2 + 5 Pd
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Fe(NO3)3 + NaOH = Fe(OH)3 + NaNO3 =>
Fe(NO3)3 + 3 NaOH = Fe(OH)3 + 3 NaNO3
Fe(NO3)3 + HBr = FeBr3 + HNO3 =>
Fe(NO3)3 + 3 HBr = FeBr3 + 3 HNO3
KI + KMnO4 + H2SO4 = KSO4 + MnSO4 + I2 + H2O =>
2 KI + KMnO4 + 4 H2SO4 = 3 KSO4 + MnSO4 + I2 + 4 H2O
Ca(HCO3)2 + H2SO4 = CO2 + H2O + CaSO4 =>
Ca(HCO3)2 + H2SO4 = 2 CO2 + 2 H2O + CaSO4
FeO + CuS = FeS + CuO =>
FeO + CuS = FeS + CuO
MnO(OH) + NH3 = MnO2 + NH4 =>
MnO(OH) + NH3 = MnO2 + NH4
HCN + KOH = KCN + H2O =>
HCN + KOH = KCN + H2O
(C2H5)NH + O2 = CO2 + H2O + N2 =>
2(C2H5)NH + 7 O2 = 4 CO2 + 6 H2O + N2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Ca + V2O5 = CaV + O =>
2 Ca + V2O5 = 2 CaV + 5 O
HAuCl4 + Na3C6H5O7 = H2 + Au + CO2 + NaC5H5O5 + NaCl =>
2 HAuCl4 + 4 Na3C6H5O7 = H2 + 2 Au + 4 CO2 + 4 NaC5H5O5 + 8 NaCl
Na2S2O + NaOH = Na2SO3 + Na2S + H2 =>
Na2S2O + 2 NaOH = Na2SO3 + Na2S + H2
K2 + CO3 + HNO3 = KNO3 + HCO3 =>
K2 + 2 CO3 + 2 HNO3 = 2 KNO3 + 2 HCO3
HAuCl4 + Na3C6H5O7 = Au + CO2 + Na2C5H4O5 + NaCl + HCl =>
2 HAuCl4 + 3 Na3C6H5O7 = 2 Au + 3 CO2 + 3 Na2C5H4O5 + 3 NaCl + 5 HCl
Al(OH)3 + NaOH = NaAlO2 + H2O =>
Al(OH)3 + NaOH = NaAlO2 + 2 H2O
Fe + CaCl2 = FeCl + Ca2 =>
4 Fe + 2 CaCl2 = 4 FeCl + Ca2
C2H3COOH + Br2 = C2H3COOHBr2 =>
C2H3COOH + Br2 = C2H3COOHBr2
C2H5OH + PCl5 = C2H5Cl + HCl + POCl3 =>
C2H5OH + PCl5 = C2H5Cl + HCl + POCl3
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