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C2H4 + 3 CH3COOH = 2 C4H6O2 + 2 H2O
H2S2O3 + H3AsO3 = As2S3 + H2S4O6 + H2O =>
27 H2S2O3 + 4 H3AsO3 = 2 As2S3 + 12 H2S4O6 + 21 H2O
PbCO3 + Ba = BaCO3 + Pb =>
PbCO3 + Ba = BaCO3 + Pb
SO2 + KI = K2O + S + I2 =>
SO2 + 4 KI = 2 K2O + S + 2 I2
Na + H2O = H2 + NaOH =>
2 Na + 2 H2O = H2 + 2 NaOH
C10H16Br4 + Fe = C10H16Fe + Br2 =>
C10H16Br4 + Fe = C10H16Fe + 2 Br2
NaOH + CuSO4 = Na2SO4 + Cu(OH)2 =>
2 NaOH + CuSO4 = Na2SO4 + Cu(OH)2
P2O6 + Ca = CaO + P2 =>
P2O6 + 6 Ca = 6 CaO + P2
Al + Fe2O3 = Al2O3 + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe
CaMg(II) = Ca(II)Mg =>
CaMg(II) = Ca(II)Mg
H3PO4 + MgHO = Mg3PO4 + H2O =>
H3PO4 + 3 MgHO = Mg3PO4 + 3 H2O
H3PO4 + Fe(OH)3 = FePO4 + H2O =>
H3PO4 + Fe(OH)3 = FePO4 + 3 H2O
Cu{+} + S{-} = CuS =>
Cu{+} + S{-} = CuS
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Al + H2O = Al(OH)3 + H2 =>
2 Al + 6 H2O = 2 Al(OH)3 + 3 H2
Pb(C2H3O2) + KOH = Pb(OH) + K(C2H3O2) =>
Pb(C2H3O2) + KOH = Pb(OH) + K(C2H3O2)
H2SO4 + Mg(C2H3O2)2 = MgSO4 + H2 + C2H3O2 =>
H2SO4 + Mg(C2H3O2)2 = MgSO4 + H2 + 2 C2H3O2
KNO + K2Cr2O7 + HNO3 = KNO3 + Cr(NO3)3 + H2O =>
3 KNO + 2 K2Cr2O7 + 16 HNO3 = 7 KNO3 + 4 Cr(NO3)3 + 8 H2O
Li(OH) + H2SO2 = Li2SO2 + H2O =>
2 Li(OH) + H2SO2 = Li2SO2 + 2 H2O
MgCl2(aq) + Na2CO3(aq) = MgCO3(s) + NaCl(aq) =>
MgCl2(aq) + Na2CO3(aq) = MgCO3(s) + 2 NaCl(aq)
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Pb3H4IO6 + HCl + H3AsO3 = PbCl2 + ICl + H3AsO4 + H2O =>
2 Pb3H4IO6 + 14 HCl + H3AsO3 = 6 PbCl2 + 2 ICl + H3AsO4 + 11 H2O
Zn + KNO3 + KOH + H2O = K2[Zn(OH)4] + NH3 =>
4 Zn + KNO3 + 7 KOH + 6 H2O = 4 K2[Zn(OH)4] + NH3
Zn + H2SO4 = H2 + ZnSO4 =>
Zn + H2SO4 = H2 + ZnSO4
H2 + Si = Si2H3 =>
3 H2 + 4 Si = 2 Si2H3
K2O + SO2 = K2SO3 =>
K2O + SO2 = K2SO3
NaNO2 + Zn + NaOH = Na2ZnO2 + H2O + NH3 =>
NaNO2 + 3 Zn + 5 NaOH = 3 Na2ZnO2 + H2O + NH3
CaCO3 + CH2CO2H = CO2 + H2O + Ca(CH3CO2)2 =>
7 CaCO3 + 16 CH2CO2H = 11 CO2 + 3 H2O + 7 Ca(CH3CO2)2
NH3 + HNO3 = NH4 + NO3 =>
NH3 + HNO3 = NH4 + NO3
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
C10H17 + Cl2 = C + HCl =>
2 C10H17 + 17 Cl2 = 20 C + 34 HCl
KMnO4 + MnCO3 + H2O = Mn10O18K + CO2 + KHCO3 =>
3 KMnO4 + 7 MnCO3 + H2O = Mn10O18K + 5 CO2 + 2 KHCO3
NH4NO3 + KOH = NH3 + KNO3 + H2O =>
NH4NO3 + KOH = NH3 + KNO3 + H2O
NaNO2 + Zn + NaOH = Na2ZnO2 + H2O + NH3 =>
NaNO2 + 3 Zn + 5 NaOH = 3 Na2ZnO2 + H2O + NH3
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
Fe(NO3)3NaOH = FeOHNa(NO3)3 =>
Fe(NO3)3NaOH = FeOHNa(NO3)3
Pb(NO3)2(aq) + BaBr2(aq) = PbBr2(s) + Ba(NO3)2(aq) =>
Pb(NO3)2(aq) + BaBr2(aq) = PbBr2(s) + Ba(NO3)2(aq)
Ba(OH)2 + KHSO4 = BaSO4 + K2SO4 + H2O =>
Ba(OH)2 + 2 KHSO4 = BaSO4 + K2SO4 + 2 H2O
NH4OH(aq) = H2O(l) + NH3(g)NH4OH(aq) = H2O(l) + NH3(g) =>
2 NH4OH(aq) = H2O(l) + NH3(g)NH4OH(aq)
NaBH4 + NaBO3 = Na2O + B + H2O =>
NaBH4 + NaBO3 = Na2O + 2 B + 2 H2O
CH4O3S + O2 = CO2 + H2O + SO2 =>
2 CH4O3S + 3 O2 = 2 CO2 + 4 H2O + 2 SO2
KMnO4 + H2SO4 + Na2SO3 = MnSO4 + H2O + Na2SO4 + K2S =>
2 KMnO4 + 3 H2SO4 + 9 Na2SO3 = 2 MnSO4 + 3 H2O + 9 Na2SO4 + K2S
H2S04 + RbOH = HOH + Rb2S04 =>
H2S04 + 2 RbOH = 2 HOH + Rb2S04
H2O + NaCl = NaH2O + Cl2 =>
2 H2O + 2 NaCl = 2 NaH2O + Cl2
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Zn + H2O = ZnO + H2 =>
Zn + H2O = ZnO + H2
FeSO3 = FeOSO2 =>
FeSO3 = FeOSO2
Ca(s)HCl(aq) = CaHCl =>
Ca(s)HCl(aq) = CaHCl
HNO3(aq) + Na(s) = NaNO3(aq) + H2(g) =>
2 HNO3(aq) + 2 Na(s) = 2 NaNO3(aq) + H2(g)
Fe{3+} + MnO4{-} + H{+} = Fe{4+} + Mn{4+} + H2O =>
3 Fe{3+} + MnO4{-} + 8 H{+} = 3 Fe{4+} + Mn{4+} + 4 H2O
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