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2 SO2 + 4 H2S = 3 S2 + 4 H2O
K + AgCl = KCl + Ag =>
K + AgCl = KCl + Ag
NO + O3 = NO2 + O2 =>
NO + O3 = NO2 + O2
HN3 + NaOH = NaN3 + H2O =>
HN3 + NaOH = NaN3 + H2O
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
C4H9OH + Ag2O = CH3COOH + Ag + H2O =>
C4H9OH + 4 Ag2O = 2 CH3COOH + 8 Ag + H2O
Si + O2 = SiO2 =>
Si + O2 = SiO2
C12H22 + O2 = CO2 + H2O =>
2 C12H22 + 35 O2 = 24 CO2 + 22 H2O
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
CH3(CH2)2CH2 + O2 = CO2 + H2O =>
4 CH3(CH2)2CH2 + 25 O2 = 16 CO2 + 18 H2O
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Na3AsO3 + CuSO4 + NaOH = Na3AsO4 + Na2SO4 + Cu + H2O =>
Na3AsO3 + CuSO4 + 2 NaOH = Na3AsO4 + Na2SO4 + Cu + H2O
Na2B4O7(s) + HCl(aq) + H2O(l) = NaCl(aq) + H3BO3(aq) =>
Na2B4O7(s) + 2 HCl(aq) + 5 H2O(l) = 2 NaCl(aq) + 4 H3BO3(aq)
Na2O + (NH4)2SO4 = Na2SO4 + H2O + NH3 =>
Na2O + (NH4)2SO4 = Na2SO4 + H2O + 2 NH3
Cr + SnCl4 = CrCl3 + Sn =>
4 Cr + 3 SnCl4 = 4 CrCl3 + 3 Sn
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
Zn + HNO3 = Zn(NO3)2 + NH4NO3 + H2O2 =>
5 Zn + 14 HNO3 = 5 Zn(NO3)2 + 2 NH4NO3 + 3 H2O2
AgNO3 + Cu = Cu(NO3)2 + Ag =>
2 AgNO3 + Cu = Cu(NO3)2 + 2 Ag
H2SeO4 + Na = Na2SeO4 + H2 =>
H2SeO4 + 2 Na = Na2SeO4 + H2
Fe(Cl)3 + Ca(OH)2 = Fe(OH)3 + Ca(Cl)2 =>
2 Fe(Cl)3 + 3 Ca(OH)2 = 2 Fe(OH)3 + 3 Ca(Cl)2
BaBr2(s) + Na3PO4(aq) = Ba3(PO4)2(s) + NaBr(aq) =>
3 BaBr2(s) + 2 Na3PO4(aq) = Ba3(PO4)2(s) + 6 NaBr(aq)
Li + N2 = Li3N =>
6 Li + N2 = 2 Li3N
Cu2S + O2 = Cu2O + SO2 =>
2 Cu2S + 3 O2 = 2 Cu2O + 2 SO2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
H{+} + S2O3{-2} + OCl{-} = Cl{-} + H2O + S4O6{-2} =>
2 H{+} + 2 S2O3{-2} + OCl{-} = Cl{-} + H2O + S4O6{-2}
CH3CH2OK + CH3CH2Br = CH3CH2OBr + CH3CH2K =>
CH3CH2OK + CH3CH2Br = CH3CH2OBr + CH3CH2K
CH3COOH + NaOH = (CH3COOH)OH + Na =>
CH3COOH + NaOH = (CH3COOH)OH + Na
MnO2(s) + HCl(ac) = MnCl2 + H2O(l) + Cl2(g) =>
MnO2(s) + 4 HCl(ac) = MnCl2 + 2 H2O(l) + Cl2(g)
(NH4)2CO3 + Hg(NO3)2 = NH4NO3 + HgCO3 =>
(NH4)2CO3 + Hg(NO3)2 = 2 NH4NO3 + HgCO3
P4 + OH{-} + H2O = H2PO4{2-} + P2H4 =>
3 P4 + 8 OH{-} + 8 H2O = 4 H2PO4{2-} + 4 P2H4
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
Ba + OH + HF = BaF2 + H2O =>
Ba + 2 OH + 2 HF = BaF2 + 2 H2O
P4O10 + Ca(OH)2 = Ca3(PO4)2 + HOH =>
P4O10 + 6 Ca(OH)2 = 2 Ca3(PO4)2 + 6 HOH
SnCl2 + Co = Sn + ClCo =>
SnCl2 + 2 Co = Sn + 2 ClCo
CdCl2 + H2 = Cd + HCl =>
CdCl2 + H2 = Cd + 2 HCl
NaOH + CO2 = Na2CO3 + H2O =>
2 NaOH + CO2 = Na2CO3 + H2O
TiO2 + H2SO4 + H2C2O4 = TiSO4 + CO2 + H2O =>
TiO2 + H2SO4 + H2C2O4 = TiSO4 + 2 CO2 + 2 H2O
SnCl2 + CuO = CuCl + SnO2 =>
SnCl2 + 2 CuO = 2 CuCl + SnO2
CH3CH2NH2 + HNO2 = CH3CH2OH + N2 + H2O =>
CH3CH2NH2 + HNO2 = CH3CH2OH + N2 + H2O
Ag2S + NaI = AgI + Na2S =>
Ag2S + 2 NaI = 2 AgI + Na2S
Na2SeO3 + KBrO + H2O = Na2SeO4 + Br2 + KOH =>
Na2SeO3 + 2 KBrO + H2O = Na2SeO4 + Br2 + 2 KOH
Al + NiBr2 = AlBr3 + Ni =>
2 Al + 3 NiBr2 = 2 AlBr3 + 3 Ni
CuSO4*Sn = SnSO4*Cu =>
CuSO4*Sn = SnSO4*Cu
Cd + HCl = H2 + CdCl2 =>
Cd + 2 HCl = H2 + CdCl2
CrBr3 + Cl2 = CrCl3 + Br3 =>
2 CrBr3 + 3 Cl2 = 2 CrCl3 + 2 Br3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
KMnO4 + PbCl + H2SO4 = MnSO4 + Cl2 + K2SO4 + H2O + PbO2 =>
8 KMnO4 + 10 PbCl + 12 H2SO4 = 8 MnSO4 + 5 Cl2 + 4 K2SO4 + 12 H2O + 10 PbO2
K2CrO4 + CrCl3 = KCl + Cr2(CrO4)3 =>
3 K2CrO4 + 2 CrCl3 = 6 KCl + Cr2(CrO4)3
CH3Cl + C2H2ONa = C2H2OCH3 + NaCl =>
CH3Cl + C2H2ONa = C2H2OCH3 + NaCl
H2SO4(aq) + Na2SO3(aq) = Na2SO4(aq) + H2S(g) =>
H2SO4(aq) + 4 Na2SO3(aq) = 4 Na2SO4(aq) + H2S(g)
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