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2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
NHO3 + NO + H2O = HNO2 =>
NHO3 + 2 NO + H2O = 3 HNO2
CO(g) + NH3(g) = HCN(g) + H2O(g) =>
CO(g) + NH3(g) = HCN(g) + H2O(g)
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Cu + O2 = CuO2 =>
Cu + O2 = CuO2
Ag + H2S + O3 = Ag2S + H2O =>
6 Ag + 3 H2S + O3 = 3 Ag2S + 3 H2O
HN3 + Ca(OH)2 = Ca(N3)2 + H2O =>
2 HN3 + Ca(OH)2 = Ca(N3)2 + 2 H2O
H2O + HNO3 = H3NO4 =>
H2O + HNO3 = H3NO4
C2H5OH = C + CH4 + H2O =>
C2H5OH = C + CH4 + H2O
FeSO3 + KSCN = Fe(SCN)2 + K2SO3 =>
FeSO3 + 2 KSCN = Fe(SCN)2 + K2SO3
Na2CO3 + HBr = NaBr + NaHCO3 =>
Na2CO3 + HBr = NaBr + NaHCO3
K + Cl = KCl =>
K + Cl = KCl
FeSO4 + KOH2 = FeOH2 + KSO4 =>
FeSO4 + KOH2 = FeOH2 + KSO4
MnCl4 + H2O = Mn2O4 + HCl =>
2 MnCl4 + 4 H2O = Mn2O4 + 8 HCl
Cu(No3)2 + NaOH = Cu(OH)2 + NaNo3 =>
Cu(No3)2 + 2 NaOH = Cu(OH)2 + 2 NaNo3
Cu(OH)2 + (NH4)2SO4 + NaOH = [Cu(NH3)4]SO4 + Na2SO4 + H2O =>
Cu(OH)2 + 2(NH4)2SO4 + 2 NaOH = [Cu(NH3)4]SO4 + Na2SO4 + 4 H2O
NH3 + IO3{-} = NO2{-} + IO{-} + H{+} + H2O =>
2 NH3 + 3 IO3{-} = 2 NO2{-} + 3 IO{-} + 2 H{+} + 2 H2O
HClO4 + C2H5OH = HClO3 + CH3COOH + H2O =>
2 HClO4 + C2H5OH = 2 HClO3 + CH3COOH + H2O
H2SeO4 + Na2SO3 = Se + Na2SO4 + H2O =>
H2SeO4 + 3 Na2SO3 = Se + 3 Na2SO4 + H2O
H3PO4 + C2H3O2 = C2H4O2 + PO4 =>
H3PO4 + 3 C2H3O2 = 3 C2H4O2 + PO4
Mg(NO3)2 + NaOH(aq) = Mg(OH)2 + NaNO3 =>
Mg(NO3)2 + 2 NaOH(aq) = Mg(OH)2 + 2 NaNO3
Cr2O7{-2} + C3H8O3 + H{+} = Cr{+3} + CO2 + H2O =>
7 Cr2O7{-2} + 3 C3H8O3 + 56 H{+} = 14 Cr{+3} + 9 CO2 + 40 H2O
ZnO + HCl = ZnCl2 + H2O = =>
ZnO + 2 HCl = ZnCl2 + H2O
CH3CH(CH3)CHO + Cu(OH)2 = CH3CH(CH3)COOH + Cu2O + H2O =>
CH3CH(CH3)CHO + 2 Cu(OH)2 = CH3CH(CH3)COOH + Cu2O + 2 H2O
HC2H3O2 + Ba(OH)2 = Ba(C2H3O2)2 + H2O =>
2 HC2H3O2 + Ba(OH)2 = Ba(C2H3O2)2 + 2 H2O
Zn + FeS3O12 = ZnSO4 + Fe =>
3 Zn + FeS3O12 = 3 ZnSO4 + Fe
KH + Cl2 = KCl + H2 =>
2 KH + Cl2 = 2 KCl + H2
H2S + SO2 = S + H2O =>
2 H2S + SO2 = 3 S + 2 H2O
(OH)Na + H3PO4 = H2O + Na3PO4 =>
3(OH)Na + H3PO4 = 3 H2O + Na3PO4
ONH3 + O2 = NO + H2O =>
4 ONH3 + 3 O2 = 4 NO + 6 H2O
AsH3 + ClO3 = H3AsO4 + Cl =>
3 AsH3 + 4 ClO3 = 3 H3AsO4 + 4 Cl
C4H5N3O + O2 = CO2 + N2 + H2O =>
4 C4H5N3O + 19 O2 = 16 CO2 + 6 N2 + 10 H2O
BBr3 = B + Br =>
BBr3 = B + 3 Br
FeCl3 + KSCN + H2O = Fe2O3 + KCl + HSCN =>
2 FeCl3 + 6 KSCN + 3 H2O = Fe2O3 + 6 KCl + 6 HSCN
Cr2(SO4)3 + BaBr2 = CrBr3 + BaSO4 =>
Cr2(SO4)3 + 3 BaBr2 = 2 CrBr3 + 3 BaSO4
Mg + NiO2 + H2O = Mg(OH)2 + Ni(OH)2 =>
Mg + NiO2 + 2 H2O = Mg(OH)2 + Ni(OH)2
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
Na2SO4 + K2S = Na2S + K2SO4 =>
Na2SO4 + K2S = Na2S + K2SO4
Al2O3 + NaOH = NaAlO2 + H2O =>
Al2O3 + 2 NaOH = 2 NaAlO2 + H2O
Br2 + HI + H2O = HIO3 + HBr =>
3 Br2 + HI + 3 H2O = HIO3 + 6 HBr
SnCl2 + I2 + KCl = SnCl4 + KI =>
SnCl2 + I2 + 2 KCl = SnCl4 + 2 KI
Mg3(PO4)2 + Si + CO2 = P4 + SiO + MgCO3 =>
2 Mg3(PO4)2 + 10 Si + 6 CO2 = P4 + 10 SiO + 6 MgCO3
NaCl(ac) + H2SO4(ac) = Na2SO4(ac) + HCl(g) =>
2 NaCl(ac) + H2SO4(ac) = Na2SO4(ac) + 2 HCl(g)
Br2 + FeI3 = I2 + FeBr3 =>
3 Br2 + 2 FeI3 = 3 I2 + 2 FeBr3
CrCl3 + NaOH = Cr2O3 + HCl + NaCl =>
2 CrCl3 + 3 NaOH = Cr2O3 + 3 HCl + 3 NaCl
C2H5 + H2 = C2H6 =>
2 C2H5 + H2 = 2 C2H6
NaO{-} + H2O = NaOH + OH{-} =>
NaO{-} + H2O = NaOH + OH{-}
Al2O3 + SO3 = Al2(SO4)3 =>
Al2O3 + 3 SO3 = Al2(SO4)3
PbI2 = Pb + I =>
PbI2 = Pb + 2 I
Cu + H2SO4 = CuSO4 + CuS + H2O =>
4 Cu + 4 H2SO4 = 3 CuSO4 + CuS + 4 H2O
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