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Na2S + H2SO4 = H2S + Na2SO4
ZhO + H2O = Zh(OH)2 =>
ZhO + H2O = Zh(OH)2
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
Ca{2+} + Zn = Ca + Zn{2+} =>
Ca{2+} + Zn = Ca + Zn{2+}
NaHCO3 + CH3CO2H = NaHCO3CH3CO2H =>
NaHCO3 + CH3CO2H = NaHCO3CH3CO2H
Pb(No3)2KCl = PbClK(No3)2 =>
Pb(No3)2KCl = PbClK(No3)2
CrO3 = Cr2O3 + O2 =>
4 CrO3 = 2 Cr2O3 + 3 O2
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
P4 + O2 = P4O10 =>
P4 + 5 O2 = P4O10
Au(NO3)3 + CaCO3 + H2O = Au(OH)3 + CO2 + Ca(NO3)2 =>
2 Au(NO3)3 + 3 CaCO3 + 3 H2O = 2 Au(OH)3 + 3 CO2 + 3 Ca(NO3)2
AlCl3 + H2SO4 = Al2(SO4)3 + HCl =>
2 AlCl3 + 3 H2SO4 = Al2(SO4)3 + 6 HCl
H3PO4 + HCl = PCl5 + H2O =>
H3PO4 + 5 HCl = PCl5 + 4 H2O
MgCO3(heat) = MgO + CO2 =>
MgCO3(heat) = MgO + CO2
C6H12O6 = CH3CH2OH + CO2 =>
C6H12O6 = 2 CH3CH2OH + 2 CO2
CaCl2 + H2O = CaO + HCl =>
CaCl2 + H2O = CaO + 2 HCl
SbCl3 + Na2S = NaCl + Sb2S3 =>
2 SbCl3 + 3 Na2S = 6 NaCl + Sb2S3
HCl + NH3 = NH4Cl =>
HCl + NH3 = NH4Cl
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
NaOH + Al + H2O = NaAlO3 + H2 =>
2 NaOH + 2 Al + 4 H2O = 2 NaAlO3 + 5 H2
Cu + H2SO4 = Cu(SO4)2 + HOH + SO2 =>
Cu + 4 H2SO4 = Cu(SO4)2 + 4 HOH + 2 SO2
Br2(l) + KI(aq) = I2(aq) + KBr(aq) =>
Br2(l) + 2 KI(aq) = I2(aq) + 2 KBr(aq)
Br2(l) + KI(aq) = KBr(aq) + I2(l) =>
Br2(l) + 2 KI(aq) = 2 KBr(aq) + I2(l)
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
C6H5COONaNaOH = C6H6Na2CO3 =>
C6H5COONaNaOH = C6H6Na2CO3
NH4OH = NH4 + OH =>
NH4OH = NH4 + OH
Cu + S = Cu2S =>
2 Cu + S = Cu2S
Ce{+4} + As{+3} = Ce{+3} + As{+5} =>
2 Ce{+4} + As{+3} = 2 Ce{+3} + As{+5}
C12H22O11 + O2 = CO2 + H2O =>
C12H22O11 + 12 O2 = 12 CO2 + 11 H2O
HCH3CO2 + Al(OH)3 = H2O + Al(CH3CO2)3 =>
3 HCH3CO2 + Al(OH)3 = 3 H2O + Al(CH3CO2)3
NO + O2 = NO2 = =>
2 NO + O2 = 2 NO2
Cl2(g) + KI(aq) = KCl(aq) + I2(g) =>
Cl2(g) + 2 KI(aq) = 2 KCl(aq) + I2(g)
P + ClO2 + H2O = H3PO4 + HCl =>
P + ClO2 + 2 H2O = H3PO4 + HCl
AgBr + GaPO4 = Ag3PO4 + GaBr3 =>
3 AgBr + GaPO4 = Ag3PO4 + GaBr3
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Fe(NO3)3 + NaOH = Fe(OH)3 + NaNO3 =>
Fe(NO3)3 + 3 NaOH = Fe(OH)3 + 3 NaNO3
H3BO3 + CH3OH = B(OCH3)3 + H2O =>
H3BO3 + 3 CH3OH = B(OCH3)3 + 3 H2O
C3H8S(l) + O2(g) = CO2 + H2O + SO3 =>
2 C3H8S(l) + 13 O2(g) = 6 CO2 + 8 H2O + 2 SO3
CH2NO2 + O2 = CO2 + H2O + NO2 =>
2 CH2NO2 + 3 O2 = 2 CO2 + 2 H2O + 2 NO2
HC2H3O2 + NaHCO3 = CO2 + NaC2H3O2 + H2O =>
HC2H3O2 + NaHCO3 = CO2 + NaC2H3O2 + H2O
Cu2(s) + O2(g) = CuO =>
Cu2(s) + O2(g) = 2 CuO
Sb + HNO3 = Sb2O5 + NO + H2O =>
6 Sb + 10 HNO3 = 3 Sb2O5 + 10 NO + 5 H2O
NaBr + HSO4 = Na2SO4 + H2O + SO2 + Br2 =>
6 NaBr + 4 HSO4 = 3 Na2SO4 + 2 H2O + SO2 + 3 Br2
C2O4 + I2 = CI2 + O2I =>
C2O4 + 3 I2 = 2 CI2 + 2 O2I
Fe(NO3)3 + NaOH = Fe(OH)3 + NaNO3 =>
Fe(NO3)3 + 3 NaOH = Fe(OH)3 + 3 NaNO3
H2O(l) + Cr(s) + CrO42{-}(aq) = Cr(OH)3(s) + OH{-}(aq) =>
126 H2O(l) + 80 Cr(s) + 3 CrO42{-}(aq) = 83 Cr(OH)3(s) + 3 OH{-}(aq)
Ca(OH)2 = CaO + H2O =>
Ca(OH)2 = CaO + H2O
Zn + Fe2Cl3 = ZnCl + Fe =>
3 Zn + Fe2Cl3 = 3 ZnCl + 2 Fe
H2SO4 + CaO = CaSO4 + H2O =>
H2SO4 + CaO = CaSO4 + H2O
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