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2 I + H2S = 2 HI + S
Na + FeCl3 = FeCl2 + NaCl =>
Na + FeCl3 = FeCl2 + NaCl
Sn + NH4OH = Sn(OH)4 + NH4 =>
Sn + 4 NH4OH = Sn(OH)4 + 4 NH4
H2 + SO2 = H2S + H2O =>
3 H2 + SO2 = H2S + 2 H2O
Ba(SO4)2 = Ba + SO4 =>
Ba(SO4)2 = Ba + 2 SO4
Si + SnO2 = SiO2 + Sn =>
Si + SnO2 = SiO2 + Sn
Pb(NO3)2 + (NH4)3PO4 = Pb3(PO4)2 + NH4NO3 =>
3 Pb(NO3)2 + 2(NH4)3PO4 = Pb3(PO4)2 + 6 NH4NO3
Co + OH = Co(OH)3 =>
Co + 3 OH = Co(OH)3
Bi2(SO4)3 + K2CrO4 = Bi2(CrO4)3 + K2(SO4) =>
Bi2(SO4)3 + 3 K2CrO4 = Bi2(CrO4)3 + 3 K2(SO4)
MnO2 + Na2O2 = Na2MnO4 =>
MnO2 + Na2O2 = Na2MnO4
C5H9O + O2 = CO2 + H2O =>
4 C5H9O + 27 O2 = 20 CO2 + 18 H2O
AgOH(heat) = Ag + O2 + H2O =>
4 AgOH(heat) = 4 Ag + O2 + 2 H2O
Cu2O + C = Cu + CO2 =>
2 Cu2O + C = 4 Cu + CO2
Na + S8 = Na2S =>
16 Na + S8 = 8 Na2S
HClO = HCl + HClO3 =>
3 HClO = 2 HCl + HClO3
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Ag2S = Ag + S8 =>
8 Ag2S = 16 Ag + S8
Al(s) + HCl(ag) = H(s) + AlCl(ag) =>
Al(s) + HCl(ag) = H(s) + AlCl(ag)
Al + ZnBr2 = AlBr3 + Zn =>
2 Al + 3 ZnBr2 = 2 AlBr3 + 3 Zn
MnSO4(H2O) = MnSO4 + H2O =>
MnSO4(H2O) = MnSO4 + H2O
NH4NO3(s) + C(s) = N2(g) + CO2(g) + H2O(l) =>
2 NH4NO3(s) + C(s) = 2 N2(g) + CO2(g) + 4 H2O(l)
H2(SO4) = H2 + S + O2 =>
H2(SO4) = H2 + S + 2 O2
AgNO3 + MgCl2 = AgCl + Mg(NO3)2 =>
2 AgNO3 + MgCl2 = 2 AgCl + Mg(NO3)2
C3H7COOH = CO2 + C3H8 =>
C3H7COOH = CO2 + C3H8
Ba(IO3)2 = BaI2 + O2 =>
Ba(IO3)2 = BaI2 + 3 O2
CH3COOH + NaOH = NaCH3COO + H2O =>
CH3COOH + NaOH = NaCH3COO + H2O
CuBr + KMnO4 + H2SO4 = MnSO4 + K2SO4 + CuSO4 + Br2 + H2O =>
10 CuBr + 4 KMnO4 + 16 H2SO4 = 4 MnSO4 + 2 K2SO4 + 10 CuSO4 + 5 Br2 + 16 H2O
Ag + HCl = AgCl + H2 =>
2 Ag + 2 HCl = 2 AgCl + H2
C7H10 + O2 = CO + H2O =>
C7H10 + 6 O2 = 7 CO + 5 H2O
Ca(ClO3)2 = CaCl2 + O2 =>
Ca(ClO3)2 = CaCl2 + 3 O2
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
Li + HCl = LiCl + H2 =>
2 Li + 2 HCl = 2 LiCl + H2
LiBr + Pb(CH3COO)2 = LiCH3COO + PbBr2 =>
2 LiBr + Pb(CH3COO)2 = 2 LiCH3COO + PbBr2
Al(OH)3 + HClO4 = Al(ClO4)3 + H2O =>
Al(OH)3 + 3 HClO4 = Al(ClO4)3 + 3 H2O
Fe + HCl = FeCl3 + H2 =>
2 Fe + 6 HCl = 2 FeCl3 + 3 H2
As2S2 + HNO3 = H3AsO4 + NO2 + S + H2O =>
As2S2 + 10 HNO3 = 2 H3AsO4 + 10 NO2 + 2 S + 2 H2O
CH3COOCH2CH2OH + NaOH = CH3COONa + H2O + CH2CH2ONa =>
3 CH3COOCH2CH2OH + 6 NaOH = 4 CH3COONa + 5 H2O + 2 CH2CH2ONa
NaOH + Fe(III)Cl = NaCl + Fe(III)OH =>
NaOH + Fe(III)Cl = NaCl + Fe(III)OH
Pb(NO3)2(aq) + NaBr(s) = PbBr2(s) + Na(NO3)(aq) =>
Pb(NO3)2(aq) + 2 NaBr(s) = PbBr2(s) + 2 Na(NO3)(aq)
KOH + H2 = H2O + K =>
2 KOH + H2 = 2 H2O + 2 K
AgNO3 + CaCl2 = AgCl + Ca(NO3)2 =>
2 AgNO3 + CaCl2 = 2 AgCl + Ca(NO3)2
MnCl2 + BaSO4 = MnSO4 + BaCl2 =>
MnCl2 + BaSO4 = MnSO4 + BaCl2
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
Na + S8 = Na2S =>
16 Na + S8 = 8 Na2S
Ag + HNO3 + HCl = AgCl + NO + H2O =>
3 Ag + HNO3 + 3 HCl = 3 AgCl + NO + 2 H2O
HIO3 + CS2 + H2O = S + H2SO4 + CO2HI =>
3 HIO3 + 3 CS2 + H2O = 5 S + H2SO4 + 3 CO2HI
Cl2(g) + CaI2(ac) = ClI(ac) + Ca =>
Cl2(g) + CaI2(ac) = 2 ClI(ac) + Ca
H2SO4 + KCN = HCN + K2SO4 =>
H2SO4 + 2 KCN = 2 HCN + K2SO4
CuS + KOH = Cu(OH)2 + K2S =>
CuS + 2 KOH = Cu(OH)2 + K2S
CH4 + S = CS2 + H2S =>
CH4 + 4 S = CS2 + 2 H2S
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