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PbSO4 + H2 = Pb + H2SO4
HgS + CaO = Hg + CaSO4 + CaS =>
4 HgS + 4 CaO = 4 Hg + CaSO4 + 3 CaS
Fe(s) + HCl(aq) = FeCl2(aq) + H2(g) =>
Fe(s) + 2 HCl(aq) = FeCl2(aq) + H2(g)
Mn2{+} + PbO2 + H{+} = MnO4{-} + Pb{2+} + H2O =>
2 Mn2{+} + 13 PbO2 + 20 H{+} = 4 MnO4{-} + 13 Pb{2+} + 10 H2O
Al + HNO3 = N2O + Al(NO3)3 + H2O =>
8 Al + 30 HNO3 = 3 N2O + 8 Al(NO3)3 + 15 H2O
Mg + O = MgO =>
Mg + O = MgO
CH2O + Cu(OH)2 + NaOH = Na2CO3 + Cu2 + H2O = cu2 + hcoona + h20 =>
CH2O + 2 Cu(OH)2 + 2 NaOH = Na2CO3 + Cu2 + 4 H2O
Mn2{+} + PbO2 + H{+} = MnO4{-} + Pb{2+} + H2O =>
2 Mn2{+} + 13 PbO2 + 20 H{+} = 4 MnO4{-} + 13 Pb{2+} + 10 H2O
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
CH4 + Cl2 = CCl4 + HCl =>
CH4 + 4 Cl2 = CCl4 + 4 HCl
NaNa + H = HNa =>
NaNa + 2 H = 2 HNa
P + CuSO4 + H2O = H3PO4 + Cu + H2SO4 =>
2 P + 5 CuSO4 + 8 H2O = 2 H3PO4 + 5 Cu + 5 H2SO4
Na + H = HNa =>
Na + H = HNa
C6H6O + HNO3 = C6H3N3O7 + H2O =>
C6H6O + 3 HNO3 = C6H3N3O7 + 3 H2O
CH3CH2CH2Cl + NaOHCOOH = NaCl + CH3CH2CH2OH =>
CH3CH2CH2Cl + NaOHCOOH = NaCl + CH3CH2CH2OH
BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
CH3NH2 + CH3CH2Cl = CH3NHCl + CH3CH3 =>
CH3NH2 + CH3CH2Cl = CH3NHCl + CH3CH3
MnO4{-} + CN{-} + H2O = MnO2 + CNO{-} + OH{-} =>
2 MnO4{-} + 3 CN{-} + H2O = 2 MnO2 + 3 CNO{-} + 2 OH{-}
Na2CrO4 + H{+} = Na2Cr2O7 + Na{+} + H2O =>
2 Na2CrO4 + 2 H{+} = Na2Cr2O7 + 2 Na{+} + H2O
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
CS2 + O2 = CO2 + SO2 =>
CS2 + 3 O2 = CO2 + 2 SO2
Cl2 + K2CO3 = KCl + KClO + CO2 =>
Cl2 + K2CO3 = KCl + KClO + CO2
KClO3 + Na2SnO2 = KCl + Na2SnO3 =>
KClO3 + 3 Na2SnO2 = KCl + 3 Na2SnO3
P + H2SO4 = H3PO4 + SO2 + H2O =>
2 P + 5 H2SO4 = 2 H3PO4 + 5 SO2 + 2 H2O
KClO3 + Na2SnO2 = KCl + Na2SnO3 =>
KClO3 + 3 Na2SnO2 = KCl + 3 Na2SnO3
K2Cr2O7 + Sn(NO3)2 + HNO3 = Cr(NO3)3 + Sn(NO3)4 + KNO3 + H2O =>
K2Cr2O7 + 3 Sn(NO3)2 + 14 HNO3 = 2 Cr(NO3)3 + 3 Sn(NO3)4 + 2 KNO3 + 7 H2O
SeCl6 + O2 = SeO2 + Cl2 =>
SeCl6 + O2 = SeO2 + 3 Cl2
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
K2Cr2O7 + Sn(NO3)2 + HNO3 = Cr(NO3)3 + Sn(NO3)4 + KNO3 + H2O =>
K2Cr2O7 + 3 Sn(NO3)2 + 14 HNO3 = 2 Cr(NO3)3 + 3 Sn(NO3)4 + 2 KNO3 + 7 H2O
S + O2 = SO2 =>
S + O2 = SO2
NA + Cl2 = NACl2 =>
NA + Cl2 = NACl2
FeSO4 + KMnO4 + H2SO4 = Fe2(SO4)3 + MnSO4 + KHSO4 + H2O =>
10 FeSO4 + 2 KMnO4 + 9 H2SO4 = 5 Fe2(SO4)3 + 2 MnSO4 + 2 KHSO4 + 8 H2O
K2Cr2O7 + Sn(NO3)2 + HNO3 = Cr(NO3)3 + Sn(NO3)4 + KNO3 + H2O =>
K2Cr2O7 + 3 Sn(NO3)2 + 14 HNO3 = 2 Cr(NO3)3 + 3 Sn(NO3)4 + 2 KNO3 + 7 H2O
Al2O3 + NaOH + H2O = Na[Al(OH)4] =>
Al2O3 + 2 NaOH + 3 H2O = 2 Na[Al(OH)4]
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
CaCO3 + H2SO4 = CaSO4 + CO2 + H2O =>
CaCO3 + H2SO4 = CaSO4 + CO2 + H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
As2O3 + CH3COONa = CO2 + Na2CO3 + (CH3)4As2O =>
As2O3 + 4 CH3COONa = 2 CO2 + 2 Na2CO3 + (CH3)4As2O
Ca3(PO4)2 + SiO2 + C = P4 + CaSiO3 + CO =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = P4 + 6 CaSiO3 + 10 CO
Ag + HNO3 = AgNO3 + NO2 + H2O =>
Ag + 2 HNO3 = AgNO3 + NO2 + H2O
Na + Cl2 = NaCl2 =>
Na + Cl2 = NaCl2
K2MnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
K2MnO4 + 8 HCl = 2 KCl + MnCl2 + 4 H2O + 2 Cl2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CuO + NH3 = N2 + H2O + Cu =>
3 CuO + 2 NH3 = N2 + 3 H2O + 3 Cu
C6H12O6 = C2H5OH + CO2 =>
C6H12O6 = 2 C2H5OH + 2 CO2
Fe + H2O = H2 + Fe3O4 =>
3 Fe + 4 H2O = 4 H2 + Fe3O4
HNO3 + NaOH = NaNO3 + H2O =>
HNO3 + NaOH = NaNO3 + H2O
K2Cr2O7 + HCl = CrCl3 + Cl2 + H2O + KCl =>
K2Cr2O7 + 14 HCl = 2 CrCl3 + 3 Cl2 + 7 H2O + 2 KCl
Zn + Cl2 = ZnCl2 =>
Zn + Cl2 = ZnCl2
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