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8 HY + H2SO4 = 4 Y2 + H2S + 4 H2O
NH3 + Na = NaNH2 + H2 =>
2 NH3 + 2 Na = 2 NaNH2 + H2
PbO2 + K = Pb + K2O =>
PbO2 + 4 K = Pb + 2 K2O
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
H2SO3 + HCLO4 = HCL + H2SO4 =>
4 H2SO3 + HCLO4 = HCL + 4 H2SO4
H + Br + NaOCl = HOBr + NaCl = H + Br + HOBr = Br2 + H2O =>
H + Br + NaOCl = HOBr + NaCl
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
Cr + Cl2 = CrCl3 =>
2 Cr + 3 Cl2 = 2 CrCl3
Cu + O2 + H2O = Cu(OH) =>
4 Cu + O2 + 2 H2O = 4 Cu(OH)
NH3 + Na = NaNH2 + H2 =>
2 NH3 + 2 Na = 2 NaNH2 + H2
Cu + O2 + H2O = Cu(OH)2 =>
2 Cu + O2 + 2 H2O = 2 Cu(OH)2
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
NH3 + H2SO4 = NH4HSO4 =>
NH3 + H2SO4 = NH4HSO4
Cu + O2 + H2O = Cu(OH)2 =>
2 Cu + O2 + 2 H2O = 2 Cu(OH)2
H + Br + NaOCl = HOBr + NaCl = H + Br + HOBr = Br2 + H2O =>
H + Br + NaOCl = HOBr + NaCl
NH4 + Na + [Co(NO2)6] = (NH4)2Na[Co(NO2)6] =>
2 NH4 + Na + [Co(NO2)6] = (NH4)2Na[Co(NO2)6]
AL + N2 = ALN =>
2 AL + N2 = 2 ALN
NaBr + H2SO4 = Br2 + SO2 + H2O + Na2SO4 =>
2 NaBr + 2 H2SO4 = Br2 + SO2 + 2 H2O + Na2SO4
FeO + H2 = Fe + H2O =>
FeO + H2 = Fe + H2O
AgF + CaCl2 = AgCl + CaF2 =>
2 AgF + CaCl2 = 2 AgCl + CaF2
FeO + H2 = Fe + H2O =>
FeO + H2 = Fe + H2O
CO(g) + NO(g) = N2(g) + CO2(g) =>
2 CO(g) + 2 NO(g) = N2(g) + 2 CO2(g)
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
FeO + H2 = Fe + H2O =>
FeO + H2 = Fe + H2O
Al2O3 + Ca(OH)2 = Al(OH)3 + CaO =>
Al2O3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaO
NH3 + HCl = NH4Cl =>
NH3 + HCl = NH4Cl
FeO + H2 = Fe + H2O =>
FeO + H2 = Fe + H2O
CH4 + O2 = CO2 + H20 =>
5 CH4 + 5 O2 = 5 CO2 + H20
Al2O3 + CO = Al + CO2 =>
Al2O3 + 3 CO = 2 Al + 3 CO2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
FeO + H2 = Fe + H2O =>
FeO + H2 = Fe + H2O
CS + O2 = CO2 + SO2 =>
CS + 2 O2 = CO2 + SO2
H2SO4 + Cu = CuSO4 + SO2 + H2O =>
2 H2SO4 + Cu = CuSO4 + SO2 + 2 H2O
Zn(OH)2 + NH4Cl = Zn(NH3)4Cl2 + H2O + HCl =>
Zn(OH)2 + 4 NH4Cl = Zn(NH3)4Cl2 + 2 H2O + 2 HCl
Ba(OH)2 + SO2 = Ba(HSO3)2 =>
Ba(OH)2 + 2 SO2 = Ba(HSO3)2
Mg + CuSO4 = MgSO4 + Cu2 =>
2 Mg + 2 CuSO4 = 2 MgSO4 + Cu2
Li + CO2 + H2O = LiHCO3 + H2 =>
2 Li + 2 CO2 + 2 H2O = 2 LiHCO3 + H2
Ba(OH)2 + SO2 = Ba(HSO3)2 =>
Ba(OH)2 + 2 SO2 = Ba(HSO3)2
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
Ca(OH)2 + NH4Cl = CaCl2 + NH3 + H2O =>
Ca(OH)2 + 2 NH4Cl = CaCl2 + 2 NH3 + 2 H2O
CH4 + O = CO2 + H2O =>
CH4 + 4 O = CO2 + 2 H2O
C + HNO3 = CO2 + NO2 + H2O =>
C + 4 HNO3 = CO2 + 4 NO2 + 2 H2O
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
S + HNO3 = H2SO4 + NO =>
S + 2 HNO3 = H2SO4 + 2 NO
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
P2 + O2 = P2O5 =>
2 P2 + 5 O2 = 2 P2O5
NaNO2 + KMnO4 + H2SO4 = NO2 + K2SO4 + Na2SO4 + MnSO4 + H2O =>
10 NaNO2 + 2 KMnO4 + 8 H2SO4 = 10 NO2 + K2SO4 + 5 Na2SO4 + 2 MnSO4 + 8 H2O
CH4 + Cl4 = CCl4 + HCl =>
CH4 + 2 Cl4 = CCl4 + 4 HCl
H3(PO3) + Ca(OH)2 = H2O + Ca3(PO3)2 =>
2 H3(PO3) + 3 Ca(OH)2 = 6 H2O + Ca3(PO3)2
K2Cr2O7 + NaI + H2SO4 = Cr2(SO4)3 + I2 + H2O + NaSO4 + K2SO4 =>
2 K2Cr2O7 + 6 NaI + 14 H2SO4 = 2 Cr2(SO4)3 + 3 I2 + 14 H2O + 6 NaSO4 + 2 K2SO4
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