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BaI2 + 2 H2O = Ba(OH)2 + 2 HI
Se + H2 = Se2H4 =>
2 Se + 2 H2 = Se2H4
Co6H2O + C2H8N2 + NCS = [Co(C2H8N2)2(NCS)2] + H2O =>
Co6H2O + 12 C2H8N2 + 12 NCS = 6[Co(C2H8N2)2(NCS)2] + H2O
H2O2 + SO3 = H2SO5 =>
H2O2 + SO3 = H2SO5
NaHCO3 + CH3COOH = CH3COONa + CO3 + H2O =>
6 NaHCO3 + 5 CH3COOH = 6 CH3COONa + 4 CO3 + 4 H2O
(NH4)2S + ZnCl2 = NH4Cl + ZnS =>
(NH4)2S + ZnCl2 = 2 NH4Cl + ZnS
NaOH + NaNO2 + Al + H2O = NH3 + NaAlO2 =>
NaOH + NaNO2 + 2 Al + H2O = NH3 + 2 NaAlO2
H3PO4 = H4P2O7 + H2O =>
2 H3PO4 = H4P2O7 + H2O
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
C10H18O + NaBH4 + CH3OH = C10H20O + NaB(OCH3)4 =>
4 C10H18O + NaBH4 + 4 CH3OH = 4 C10H20O + NaB(OCH3)4
Co2(CO)8 + Na = NaCo(CO)4 =>
Co2(CO)8 + 2 Na = 2 NaCo(CO)4
Tl + HNO3 = Tl(NO3)3 + H2 =>
2 Tl + 6 HNO3 = 2 Tl(NO3)3 + 3 H2
N2H4 + I2O5 = N2 + HI + H2O =>
3 N2H4 + I2O5 = 3 N2 + 2 HI + 5 H2O
Br2 + OH{-} = BrO3{-} + Br{-} + H2O =>
3 Br2 + 6 OH{-} = BrO3{-} + 5 Br{-} + 3 H2O
AlCl3 + MgO = Al2O3 + MgCl2 =>
2 AlCl3 + 3 MgO = Al2O3 + 3 MgCl2
C2H3Br3 + O2 = CO + HBr =>
C2H3Br3 + O2 = 2 CO + 3 HBr
Zn(aq) + HCl(aq) = ZnCl2 + H2(g) =>
Zn(aq) + 2 HCl(aq) = ZnCl2 + H2(g)
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Ae + H2 = AeH3 =>
2 Ae + 3 H2 = 2 AeH3
CuS = Cu2S + S2 =>
4 CuS = 2 Cu2S + S2
K2CO3 + HCl = CO2 + H2O + KCl =>
K2CO3 + 2 HCl = CO2 + H2O + 2 KCl
Se + H2 = Se2H4 =>
2 Se + 2 H2 = Se2H4
C2H3Br3 + O2 = CO2 + HBr =>
C2H3Br3 + 2 O2 = 2 CO2 + 3 HBr
Se + H2 = SeH2 =>
Se + H2 = SeH2
Ca(H2PO4)2H2O + NaHCO3 = CO2 + Na2Ca(HPO4)2 + H2O =>
Ca(H2PO4)2H2O + 2 NaHCO3 = 2 CO2 + Na2Ca(HPO4)2 + 3 H2O
Se + H2 = Se2H4 =>
2 Se + 2 H2 = Se2H4
Al + KClO4 = Al2O3 + KCl =>
8 Al + 3 KClO4 = 4 Al2O3 + 3 KCl
KI + KIO + H2SO4 = K2SO4 + H2O + I2 =>
KI + KIO + H2SO4 = K2SO4 + H2O + I2
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
Rb + Zn3P2 = Zn + Rb3P =>
6 Rb + Zn3P2 = 3 Zn + 2 Rb3P
MgO2 + H2SO4 = MgSO4 + H2O2 =>
MgO2 + H2SO4 = MgSO4 + H2O2
Na2 + CO3 + Ca(NO3)2 = CaCO3 + NaNO3 =>
Na2 + CO3 + Ca(NO3)2 = CaCO3 + 2 NaNO3
C2H5Cl + CH3Cl + Na = NaCl + C3H8 =>
C2H5Cl + CH3Cl + 2 Na = 2 NaCl + C3H8
H3PO4 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
Mg + H2O = Mg(OH)2 + H2 =>
Mg + 2 H2O = Mg(OH)2 + H2
NH4NO3 + CH3COOH = CH3COONH4 + HNO3 =>
NH4NO3 + CH3COOH = CH3COONH4 + HNO3
Mg(NO3)2(ac) + LiOH(ac) = Mg(OH)2 + LiNO3 =>
Mg(NO3)2(ac) + 2 LiOH(ac) = Mg(OH)2 + 2 LiNO3
CH3COOH + HOH = CH3COOHHOH =>
CH3COOH + HOH = CH3COOHHOH
KMnO4 + Na2S + H2SO4 = MnSO4 + K2SO4 + Na2SO4 + H2O =>
8 KMnO4 + 5 Na2S + 12 H2SO4 = 8 MnSO4 + 4 K2SO4 + 5 Na2SO4 + 12 H2O
Pb(OH)2 + CuNO3 = Pb(NO3)2 + CuOH =>
Pb(OH)2 + 2 CuNO3 = Pb(NO3)2 + 2 CuOH
AgBr + Na2CO3 = NaBr + Ag2CO3 =>
2 AgBr + Na2CO3 = 2 NaBr + Ag2CO3
K2(O2) + H2O = KOH2 + O2 =>
K2(O2) + 2 H2O = 2 KOH2 + O2
Sn(OH)2 + H2O2 = Sn(OH)4 =>
Sn(OH)2 + H2O2 = Sn(OH)4
PbSO4 = PbSO3 + O2 =>
2 PbSO4 = 2 PbSO3 + O2
C2H4 = C8H16 =>
4 C2H4 = C8H16
H3C6H3O6(aq) + NaHCO3(s) = CO2(g) + H2O(l) + Na3C6H3O6(aq) =>
H3C6H3O6(aq) + 3 NaHCO3(s) = 3 CO2(g) + 3 H2O(l) + Na3C6H3O6(aq)
CaSO4H2O = CaSO4(H2O) =>
CaSO4H2O = CaSO4(H2O)
Co(NO3)2 + Na2(CO3) = CoCO3 + NaNO3 =>
Co(NO3)2 + Na2(CO3) = CoCO3 + 2 NaNO3
Cu + HNO2 = NO2 + HCu =>
Cu + HNO2 = NO2 + HCu
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
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