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H2S + H2O = 2 H2 + SO
S + O2 = SO2 =>
S + O2 = SO2
Co + Pb(NO2)2 = Co(NO2)3 + Pb =>
2 Co + 3 Pb(NO2)2 = 2 Co(NO2)3 + 3 Pb
H2SeO3 + Na2S2O3 = Se + Na2SO4 + SO2 + H2O =>
3 H2SeO3 + 2 Na2S2O3 = 3 Se + 2 Na2SO4 + 2 SO2 + 3 H2O
C10H8(s) + O2 = H2O + CO2 =>
C10H8(s) + 12 O2 = 4 H2O + 10 CO2
S + O2 = SO2 =>
S + O2 = SO2
OHNH3Cl + NaC2H3O2 + C6H10O = C6H10NOH + NaCl + CH3COH =>
OHNH3Cl + NaC2H3O2 + 2 C6H10O = C6H10NOH + NaCl + 4 CH3COH
NH3 + AgCl2 = [Ag(NH3)4]Cl2 =>
4 NH3 + AgCl2 = [Ag(NH3)4]Cl2
PO4 + Li2 = Li3PO4 =>
2 PO4 + 3 Li2 = 2 Li3PO4
Ca(OH)2 + NaHSO4 = CaSO4 + H2O + NaOH =>
Ca(OH)2 + NaHSO4 = CaSO4 + H2O + NaOH
CH3CH2OH + K2CrO7 + H2SO4 = CH3COOH + Cr2(SO4)3 + K2SO4 + H2O =>
9 CH3CH2OH + 4 K2CrO7 + 10 H2SO4 = 9 CH3COOH + 2 Cr2(SO4)3 + 4 K2SO4 + 19 H2O
[Co(NH3)6](OH)2 + O2 + H2O = [Co(NH3)6](OH)3 =>
4[Co(NH3)6](OH)2 + O2 + 2 H2O = 4[Co(NH3)6](OH)3
I{-} + Br2 + H2O = IO3{-} + Br{-} + H{+} =>
I{-} + 3 Br2 + 3 H2O = IO3{-} + 6 Br{-} + 6 H{+}
Ca(OH)2(aq) + H2SO4(aq) = CaSO4 + H2(OH)2 =>
Ca(OH)2(aq) + H2SO4(aq) = CaSO4 + H2(OH)2
C4H6 + K2Cr2O7 + H2SO4 = C2H5COOH + Cr2(SO4)3 + K2SO4 + H2O =>
9 C4H6 + 5 K2Cr2O7 + 20 H2SO4 = 12 C2H5COOH + 5 Cr2(SO4)3 + 5 K2SO4 + 11 H2O
H + NO5 = H2O + NH =>
11 H + NO5 = 5 H2O + NH
[NiC2O4]*2H2O + O2 = Ni2O3 + H2O + CO2 =>
4[NiC2O4]*2H2O + 3 O2 = 2 Ni2O3 + 8 H2O + 8 CO2
NaAlO2 + CO2 = Al2O3 + Na2CO3 =>
2 NaAlO2 + CO2 = Al2O3 + Na2CO3
CH3NH2 + COCl2 = C2H3NO + HCl =>
CH3NH2 + COCl2 = C2H3NO + 2 HCl
CaCl2 + MgCl2 + CO(NH2)2 + H2O = CaMg(CO3)2 + NH4Cl =>
CaCl2 + MgCl2 + 2 CO(NH2)2 + 4 H2O = CaMg(CO3)2 + 4 NH4Cl
P2O5 + CaCO3 + H2O = CaHPO4*2H2O + CO2 =>
P2O5 + 2 CaCO3 + 5 H2O = 2 CaHPO4*2H2O + 2 CO2
H{+} + CrO4{2-} + Sn{2+} = Cr{3+} + Sn{4+} + H2O =>
16 H{+} + 2 CrO4{2-} + 3 Sn{2+} = 2 Cr{3+} + 3 Sn{4+} + 8 H2O
CaCO3 + AgBr = CaBr2 + Ag2CO3 =>
CaCO3 + 2 AgBr = CaBr2 + Ag2CO3
MgCl2 + SiO2 + H2SO4 = MgSO4 + SiCl4 + H2O =>
2 MgCl2 + SiO2 + 2 H2SO4 = 2 MgSO4 + SiCl4 + 2 H2O
NaOH + CS2 = H2O + Na2CO3 + Na2CS3 =>
6 NaOH + 3 CS2 = 3 H2O + Na2CO3 + 2 Na2CS3
KMnO4 + CH3CH2OH = K2CO3 + MnO2 + H2O =>
4 KMnO4 + CH3CH2OH = 2 K2CO3 + 4 MnO2 + 3 H2O
HCl + AgNO3 = H(NO3) + AgCl =>
HCl + AgNO3 = H(NO3) + AgCl
Fe3O4 + H2O2 + HCl = FeCl3 + H2O =>
2 Fe3O4 + H2O2 + 18 HCl = 6 FeCl3 + 10 H2O
CaCl2 + NH4OH = Ca(OH)2 + NH4Cl =>
CaCl2 + 2 NH4OH = Ca(OH)2 + 2 NH4Cl
H2SO4 + CuCO3Cu(OH)2 = CuSO4 + H2O + CO2 =>
2 H2SO4 + CuCO3Cu(OH)2 = 2 CuSO4 + 3 H2O + CO2
COOH + NaOH = HCOOH + NaO =>
COOH + NaOH = HCOOH + NaO
Fe2(SO4)3 + Cu = Cu(SO4) + Fe(SO4) =>
Fe2(SO4)3 + Cu = Cu(SO4) + 2 Fe(SO4)
NO2 + HN3 = N2 + H2O =>
2 NO2 + 8 HN3 = 13 N2 + 4 H2O
Ca + C2H4O2 = H2O + CaC2H2O =>
Ca + C2H4O2 = H2O + CaC2H2O
Al(s) + KOH + H2SO4 + H2O = KAl(SO4)2*14H2O + H2 =>
2 Al(s) + 2 KOH + 4 H2SO4 + 26 H2O = 2 KAl(SO4)2*14H2O + 3 H2
KMnO4 + Na2SO3 + NaOH = NaKMnO4 + Na2SO4 + H2O =>
2 KMnO4 + Na2SO3 + 2 NaOH = 2 NaKMnO4 + Na2SO4 + H2O
H2O + Al = AlO2 + H =>
2 H2O + Al = AlO2 + 4 H
LiCO3 + MnO2 = LiMnO3 + CO2 =>
LiCO3 + MnO2 = LiMnO3 + CO2
Al2O3 + SnSO4 = Al2(SO4)3 + SnO =>
Al2O3 + 3 SnSO4 = Al2(SO4)3 + 3 SnO
Na2SO4 + Ca(NO2)2 = NaNO2 + CaSO4 =>
Na2SO4 + Ca(NO2)2 = 2 NaNO2 + CaSO4
C6H5COONa + NaOH = C6H6 + Na2CO3 =>
C6H5COONa + NaOH = C6H6 + Na2CO3
HNO2 + Al + NaOH + H2 = NH3 + NaAl(OH)4 =>
3 HNO2 + 2 Al + 2 NaOH + 6 H2 = 3 NH3 + 2 NaAl(OH)4
PbO2 + Cr(OH)3 + OH{-} = PbO2{2-} + CrO4{2-} + H2O =>
3 PbO2 + 2 Cr(OH)3 + 10 OH{-} = 3 PbO2{2-} + 2 CrO4{2-} + 8 H2O
CH3CH2ONa + CH3Br = CH3CH2Br + NaOCH3 =>
CH3CH2ONa + CH3Br = CH3CH2Br + NaOCH3
ZnS + Mg3(AsO4)2 = Zn3(AsO4)2 + MgS =>
3 ZnS + Mg3(AsO4)2 = Zn3(AsO4)2 + 3 MgS
Mg + HNO3 = Mg(NO3) + N2O + H2O =>
8 Mg + 10 HNO3 = 8 Mg(NO3) + N2O + 5 H2O
Ag + HNO3 + K2CrO4 = KNO3 + Ag2CrO3 + H2O =>
2 Ag + 2 HNO3 + K2CrO4 = 2 KNO3 + Ag2CrO3 + H2O
Br2 + LiI = LiBr + I2 =>
Br2 + 2 LiI = 2 LiBr + I2
ZnCl2 + NaOH = Zn(OH)2 + NaCl =>
ZnCl2 + 2 NaOH = Zn(OH)2 + 2 NaCl
Mg3(PO4)2 + PbS = MgS + Pb3(PO4)2 =>
Mg3(PO4)2 + 3 PbS = 3 MgS + Pb3(PO4)2
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