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3 As2Se3 + 14 HBrO3 + 18 H2O = 9 H2SeO4 + 6 H3AsO4 + 14 HBr
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
Ca + HNO3 = Ca(NO3)2 + H2 =>
Ca + 2 HNO3 = Ca(NO3)2 + H2
ZnO + Cl2 = ZnCl2 + O2 =>
2 ZnO + 2 Cl2 = 2 ZnCl2 + O2
Pb(OH)2 = PbO + H2O =>
Pb(OH)2 = PbO + H2O
Co2O2 + C = Co + CO2 =>
Co2O2 + C = 2 Co + CO2
C6H6 + KMnO4 + KOH = C6H5COOK + K2MnO4 + H2O =>
7 C6H6 + 30 KMnO4 + 36 KOH = 6 C6H5COOK + 30 K2MnO4 + 24 H2O
F2 + KCl2 = KF + Cl2 =>
F2 + 2 KCl2 = 2 KF + 2 Cl2
H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2
Pb(OH)2 + Hg2S = PbS + HgOH =>
Pb(OH)2 + Hg2S = PbS + 2 HgOH
H2SO3 + I2 + H2O = HI + H2SO4 =>
H2SO3 + I2 + H2O = 2 HI + H2SO4
S + HNO3 = H2(SO)4 + NO2 + H2O =>
4 S + 6 HNO3 = H2(SO)4 + 6 NO2 + 2 H2O
KNO2 = KNO3 + K2O + NO =>
3 KNO2 = KNO3 + K2O + 2 NO
Ag2O + Co = Ag + Co(O)3 =>
3 Ag2O + Co = 6 Ag + Co(O)3
C5H7 + O2 = CO2 + H2O =>
4 C5H7 + 27 O2 = 20 CO2 + 14 H2O
SiO2 + CaO = Ca2SiO4 =>
SiO2 + 2 CaO = Ca2SiO4
NH4 + H2SO4 = (NH4)2SO4 + H2 =>
2 NH4 + H2SO4 = (NH4)2SO4 + H2
SO2 + Ca + O2 = CaSO4 =>
SO2 + Ca + O2 = CaSO4
BaCl2(aq) + Ni(NO3)2(aq) = NiCl2(aq) + Ba(NO3)2(aq) =>
BaCl2(aq) + Ni(NO3)2(aq) = NiCl2(aq) + Ba(NO3)2(aq)
NaHSO4(aq) + H2O(l) = H2SO4(aq) + NaOH(aq) =>
NaHSO4(aq) + H2O(l) = H2SO4(aq) + NaOH(aq)
H2SO4(aq) + BaCl2(aq) = BaSO4(s) + HCl(aq) =>
H2SO4(aq) + BaCl2(aq) = BaSO4(s) + 2 HCl(aq)
Na2CO3(aq) + CaCl(aq) = CaCO3(s) + Na(aq) + Cl(aq) =>
Na2CO3(aq) + CaCl(aq) = CaCO3(s) + 2 Na(aq) + Cl(aq)
As2Se3 + HBrO3 + H2O = Se + H3AsO4 + HBr =>
3 As2Se3 + 5 HBrO3 + 9 H2O = 9 Se + 6 H3AsO4 + 5 HBr
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
HBrO3 + NaOH = H2O + NaBrO3 =>
HBrO3 + NaOH = H2O + NaBrO3
PbSO4(aq) + Na2S(aq) = PbS(s) + Na2SO4(s) =>
PbSO4(aq) + Na2S(aq) = PbS(s) + Na2SO4(s)
H2(g) + Fe2O3(s) = H2O + Fe =>
3 H2(g) + Fe2O3(s) = 3 H2O + 2 Fe
BrI = I2 + Br2 =>
2 BrI = I2 + Br2
TiCl4 + Si = TiSi2 + SiCl4 =>
TiCl4 + 3 Si = TiSi2 + SiCl4
Fe + NH3 = FeH3N =>
Fe + NH3 = FeH3N
HgCl2 + H2SO4 = HgSO4 + HCl =>
HgCl2 + H2SO4 = HgSO4 + 2 HCl
NaOH + CaCO3 = Ca(OH)2 + Na2CO3 =>
2 NaOH + CaCO3 = Ca(OH)2 + Na2CO3
NaH2O = NaOH2 =>
NaH2O = NaOH2
hexane + O2 = CO2 + water =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
CuFeS2 + O2 = CuS + SO2 + FeO =>
2 CuFeS2 + 3 O2 = 2 CuS + 2 SO2 + 2 FeO
KMnO4 + C3H6(OH)3 = K2CO3 + Mn2O3 + CO2 + H2O =>
30 KMnO4 + 8 C3H6(OH)3 = 15 K2CO3 + 15 Mn2O3 + 9 CO2 + 36 H2O
CaCl2 + Al(NO3)3 = CaCl2Al(NO3)3 =>
CaCl2 + Al(NO3)3 = CaCl2Al(NO3)3
CH3CH2CH2OH + H2CrO4 = CH3CH2COOH + Cr3 + H2O =>
9 CH3CH2CH2OH + 6 H2CrO4 = 9 CH3CH2COOH + 2 Cr3 + 15 H2O
K[Ag(CN)2] + K2S2O3 = K3[Ag(S2O3)2] + KCN =>
K[Ag(CN)2] + 2 K2S2O3 = K3[Ag(S2O3)2] + 2 KCN
NaCl + Mg(NO3)2 = NaNO3 + MgCl2 =>
2 NaCl + Mg(NO3)2 = 2 NaNO3 + MgCl2
C5H10 + BrH = C5H11Br =>
C5H10 + BrH = C5H11Br
HNo3 + Al(OH)3 = H2O + Al(No3)3 =>
3 HNo3 + Al(OH)3 = 3 H2O + Al(No3)3
C6H12O6 + CH3OH = C7H14O6 + H2O =>
C6H12O6 + CH3OH = C7H14O6 + H2O
NaOH + KSCN = NaSCN + KOH =>
NaOH + KSCN = NaSCN + KOH
BaSO4 + CH3COOH = Ba(CH3COO)2 + H2SO4 =>
BaSO4 + 2 CH3COOH = Ba(CH3COO)2 + H2SO4
InSb + HNO3 = Sb2O5 + In(NO3)3 + H2O + NO2 =>
2 InSb + 22 HNO3 = Sb2O5 + 2 In(NO3)3 + 11 H2O + 16 NO2
Ca3(PO4)2 + SiO2 + C = CaSiO3 + CO + P =>
Ca3(PO4)2 + 3 SiO2 + 5 C = 3 CaSiO3 + 5 CO + 2 P
Fe2(CO3)2 + O2 = FeO3 + CO2 =>
Fe2(CO3)2 + 2 O2 = 2 FeO3 + 2 CO2
Ca02 = Ca0 =>
Ca02 = 2 Ca0
Hg{+2} + Fe = Hg2{+2} + Fe{+3} =>
6 Hg{+2} + 2 Fe = 3 Hg2{+2} + 2 Fe{+3}
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