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2 Cr(NO3)3(aq) + 3 Na2S(aq) = Cr2S3 + 6 NaNO3
*N2 + H2 = NH3 =>
*N2 + 3 H2 = 2 NH3
Fe + H(NO3) = Fe(NO3)3 + NO2 + H2O =>
Fe + 6 H(NO3) = Fe(NO3)3 + 3 NO2 + 3 H2O
Al2O3 + CaO + H2CO3 = Al2Ca(CO3)4 + H2O =>
Al2O3 + CaO + 4 H2CO3 = Al2Ca(CO3)4 + 4 H2O
H(g) + Cl(g) = HCl(g) =>
H(g) + Cl(g) = HCl(g)
Pb(s) + Cl2(aq) = PbCl2(aq) =>
Pb(s) + Cl2(aq) = PbCl2(aq)
H3COH + K2Cr2O7 + H2SO4 = CO2 + Cr2(SO4)3 + K2SO4 + H2O =>
H3COH + K2Cr2O7 + 4 H2SO4 = CO2 + Cr2(SO4)3 + K2SO4 + 6 H2O
NaBrO3 + SO2 + H2O = NaBr + H2SO4 =>
NaBrO3 + 3 SO2 + 3 H2O = NaBr + 3 H2SO4
NH3 + HS = NH4 + S =>
NH3 + HS = NH4 + S
NaIO4 + SO2 + H2O = NaHSO4 + H2SO4 + I2 =>
2 NaIO4 + 7 SO2 + 6 H2O = 2 NaHSO4 + 5 H2SO4 + I2
NO3 + H3O = NO2 + H2O =>
NO3 + 2 H3O = NO2 + 3 H2O
H + Cl = Hydrogenchloride =>
H + Cl = HCl
BaSO4 = BaO + SO3 =>
BaSO4 = BaO + SO3
NaBr + K2SO4 = Na2SO4 + KBr =>
2 NaBr + K2SO4 = Na2SO4 + 2 KBr
Cl2NiO6 = NiCl2 + O2 =>
Cl2NiO6 = NiCl2 + 3 O2
Na2C2O4 + Al2(CO3)3 = Na2CO3 + Al2(C2O4)3 =>
3 Na2C2O4 + Al2(CO3)3 = 3 Na2CO3 + Al2(C2O4)3
SiO2(s) + Na2CO3(s) = Na2SiO3(s) + CO2(g) =>
SiO2(s) + Na2CO3(s) = Na2SiO3(s) + CO2(g)
Y + O = Y2O3 =>
2 Y + 3 O = Y2O3
HC8H4O4{-} + OH{-} = C8H4O4{-2} + H2O =>
HC8H4O4{-} + OH{-} = C8H4O4{-2} + H2O
Sb(s) + H2O(l) = Sb2O3(s) + H2(g) =>
2 Sb(s) + 3 H2O(l) = Sb2O3(s) + 3 H2(g)
Nd + HNO3 = Nd(NO3)3 + NO2 + H2O =>
Nd + 6 HNO3 = Nd(NO3)3 + 3 NO2 + 3 H2O
H3PO4 + HO{-} = PO4{3-} + H2O =>
H3PO4 + 3 HO{-} = PO4{3-} + 3 H2O
Y + O = Y2O3 =>
2 Y + 3 O = Y2O3
Pb(OH)2 + NH3 = Pb(NH3) + OH =>
Pb(OH)2 + NH3 = Pb(NH3) + 2 OH
NaCH3COO + HOH = HCH3COO + NaOH =>
NaCH3COO + HOH = HCH3COO + NaOH
Al + Ni{2+} = Al{3+} + Ni =>
2 Al + 3 Ni{2+} = 2 Al{3+} + 3 Ni
C6H8O6 + NaHCO3 = NaC6H7O6 + H2O + CO2 =>
C6H8O6 + NaHCO3 = NaC6H7O6 + H2O + CO2
HOOC(CH2)4COOH + H2N(CH2)6NH2 = [OC(CH2)4CONH(CH2)6NH] + H2O =>
HOOC(CH2)4COOH + H2N(CH2)6NH2 = [OC(CH2)4CONH(CH2)6NH] + 2 H2O
CH3CH(OH)COOH + Na = CH3CH(ONa)COONa + H2 =>
CH3CH(OH)COOH + 2 Na = CH3CH(ONa)COONa + H2
Co(NO3)3 + Na2CO3 = Co2(CO3)3 + Na(NO3) =>
2 Co(NO3)3 + 3 Na2CO3 = Co2(CO3)3 + 6 Na(NO3)
Au(OH)3 + N2H4 = Au + N2 + H2O =>
4 Au(OH)3 + 3 N2H4 = 4 Au + 3 N2 + 12 H2O
NaAl(OH)4 + H2S = Na2S + Al(OH)3 + H2O =>
2 NaAl(OH)4 + H2S = Na2S + 2 Al(OH)3 + 2 H2O
H2O2 + CH4O = CO2 + H2O =>
3 H2O2 + CH4O = CO2 + 5 H2O
C6H5CCl3 + H2O = C6H5COOH + HCl =>
C6H5CCl3 + 2 H2O = C6H5COOH + 3 HCl
NaClO4 + Pb(NO3)2 = Na(NO3)2 + Pb(ClO4) =>
NaClO4 + Pb(NO3)2 = Na(NO3)2 + Pb(ClO4)
FeO + Cl2 = FeCl2 + O2 =>
2 FeO + 2 Cl2 = 2 FeCl2 + O2
C6H5COOH(s) + O2(g) = CO2(g) + H2O(l) =>
2 C6H5COOH(s) + 15 O2(g) = 14 CO2(g) + 6 H2O(l)
CuCl2(aq) + Ca(s) = Cu(s) + CaCl2(aq) =>
CuCl2(aq) + Ca(s) = Cu(s) + CaCl2(aq)
Pb(SO4)2 + HCl = PbCl4 + H2SO4 =>
Pb(SO4)2 + 4 HCl = PbCl4 + 2 H2SO4
OH + P4 = H3PO4 + H2O =>
20 OH + P4 = 4 H3PO4 + 4 H2O
ClO4 + H = ClO2 + H2O =>
ClO4 + 4 H = ClO2 + 2 H2O
Na + Al(NO3)3 = Al + NaNO3 =>
3 Na + Al(NO3)3 = Al + 3 NaNO3
Na2 + CO3 + H2O = NaOH + CO2 =>
Na2 + CO3 + H2O = 2 NaOH + CO2
Ti2O3 + H2O = Ti(OH)3 =>
Ti2O3 + 3 H2O = 2 Ti(OH)3
Sb2S3 + S + NaOH = Na3SbS4 + NaSbO3 + H2O =>
4 Sb2S3 + 8 S + 18 NaOH = 5 Na3SbS4 + 3 NaSbO3 + 9 H2O
H2O2(aq) + I{-}(aq) + H{+}(aq) = I3{-}(aq) + H2O(l) =>
H2O2(aq) + 3 I{-}(aq) + 2 H{+}(aq) = I3{-}(aq) + 2 H2O(l)
Tl2S + O2 = Tl2O + SO2 =>
2 Tl2S + 3 O2 = 2 Tl2O + 2 SO2
CoCl2*6H2O + NaOH = Co(OH)2 + Cl + Na + H2O =>
CoCl2*6H2O + 2 NaOH = Co(OH)2 + 2 Cl + 2 Na + 6 H2O
NO2 + H3O = NH3 + H2O =>
NO2 + 7 H3O = NH3 + 9 H2O
Hg2(ClO3)2 = Hg2Cl2 + O2 =>
Hg2(ClO3)2 = Hg2Cl2 + 3 O2
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