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2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
KF + AgClO3 = KClO3 + AgF =>
KF + AgClO3 = KClO3 + AgF
ZnO + H2S2 = ZnS2 + H2O =>
ZnO + H2S2 = ZnS2 + H2O
(CH3)NH + O2 = CO2 + H2O + N2 =>
2(CH3)NH + 4 O2 = 2 CO2 + 4 H2O + N2
Pb + Li = PbLi =>
Pb + Li = PbLi
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Si2H2 + O2 = SiO2 + H2O =>
2 Si2H2 + 5 O2 = 4 SiO2 + 2 H2O
Cr(OH)63{-} + Cl2 + OH{-} = CrO42{-} + Cl{-} + H2O =>
2 Cr(OH)63{-} + 21 Cl2 + 42 OH{-} = 2 CrO42{-} + 42 Cl{-} + 84 H2O
Cr2O7{-2} + Hg + H2SO4 + H{+} = Hg2SO4 + Cr{+3} + H2O =>
Cr2O7{-2} + 6 Hg + 3 H2SO4 + 8 H{+} = 3 Hg2SO4 + 2 Cr{+3} + 7 H2O
CO + Cl2 + H2O = HCl + CO2 =>
CO + Cl2 + H2O = 2 HCl + CO2
H2O(l) + F2(g) = HF(aq) + O2(g) =>
2 H2O(l) + 2 F2(g) = 4 HF(aq) + O2(g)
Na2C2O4 + Al2(SO4)3 = Al2C2O4 + Na2(SO4)3 =>
Na2C2O4 + Al2(SO4)3 = Al2C2O4 + Na2(SO4)3
AsBr3 + NaOH = As(OH)3 + NaBr =>
AsBr3 + 3 NaOH = As(OH)3 + 3 NaBr
H2CO3 + ZnO2H2 = H2O + ZnCO3 =>
H2CO3 + ZnO2H2 = 2 H2O + ZnCO3
Ag(NH3)2 = Ag + NH3 =>
Ag(NH3)2 = Ag + 2 NH3
C14H18O2 + O2 = CO2 + H2O =>
2 C14H18O2 + 35 O2 = 28 CO2 + 18 H2O
C5H10O2(g) + O2(g) = CO2(g) + H20(g) =>
2 C5H10O2(g) + 8 O2(g) = 10 CO2(g) + H20(g)
Cu2O2(s) + C(s) = Cu(s) + CO(g) =>
Cu2O2(s) + 2 C(s) = 2 Cu(s) + 2 CO(g)
Mg(NO3)2 + NH4HCO3 = MgHCO3 + NH4(NO3)2 =>
Mg(NO3)2 + NH4HCO3 = MgHCO3 + NH4(NO3)2
C17H30 + O2 = CO2 + H2O =>
2 C17H30 + 49 O2 = 34 CO2 + 30 H2O
Pb(NO3)4 + (NH4)3PO4 = Pb3(PO4)4 + NH4NO3 =>
3 Pb(NO3)4 + 4(NH4)3PO4 = Pb3(PO4)4 + 12 NH4NO3
C2H6 + CaC2 = C6H6 + Ca =>
C2H6 + 2 CaC2 = C6H6 + 2 Ca
Fe + Cu2O = FeO + Cu =>
Fe + Cu2O = FeO + 2 Cu
H2SO3 + Hg = HgSO2 + H2O =>
H2SO3 + Hg = HgSO2 + H2O
NaCl + H2O = NaOH + HCl =>
NaCl + H2O = NaOH + HCl
Pb(NO3)2 + H2(SO4) = Pb(SO4) + H2(NO3)2 =>
Pb(NO3)2 + H2(SO4) = Pb(SO4) + H2(NO3)2
N2O4 + H2O = NO + NO3{-} + H{+} =>
3 N2O4 + 2 H2O = 2 NO + 4 NO3{-} + 4 H{+}
CH3COOH + NaHCO3 = CH3COONa + H2CO3 =>
CH3COOH + NaHCO3 = CH3COONa + H2CO3
MnO4{-} + Fe{2}{+} + H{+} = Mn{2}{+} + Fe{3}{+} + H2O =>
MnO4{-} + 5 Fe{2}{+} + 8 H{+} = Mn{2}{+} + 5 Fe{3}{+} + 4 H2O
N2(HI)3 = N2 + NH4I + I2 =>
8 N2(HI)3 = 5 N2 + 6 NH4I + 9 I2
MnO2 + HCI = MnCI + CI + H2O =>
MnO2 + 4 HCI = MnCI + 3 CI + 2 H2O
Mg + H3PO4 = Mg3(PO4)2 + H2 =>
3 Mg + 2 H3PO4 = Mg3(PO4)2 + 3 H2
Mg2(CO3)2 + HCl = H2O + MgCl2 + CO2 =>
Mg2(CO3)2 + 4 HCl = 2 H2O + 2 MgCl2 + 2 CO2
He(g) + O2(g) = HeO(g) =>
2 He(g) + O2(g) = 2 HeO(g)
FeCl2 + Na2CO3 = FeCO3 + NaCl =>
FeCl2 + Na2CO3 = FeCO3 + 2 NaCl
K2Cr2O7 + H2SO3 + HCl = KCl + Cr2(SO4)3 + H2O =>
K2Cr2O7 + 3 H2SO3 + 2 HCl = 2 KCl + Cr2(SO4)3 + 4 H2O
CaCl(aq) + NaCO3(aq) = CaCO3(aq) + NaCl(s) =>
CaCl(aq) + NaCO3(aq) = CaCO3(aq) + NaCl(s)
FeO + Sn(OH)4 = Fe(OH)4 + SnO =>
FeO + Sn(OH)4 = Fe(OH)4 + SnO
H2SnO3 + NaOH + H2O = Na2(Sn(OH)6) =>
H2SnO3 + 2 NaOH + H2O = Na2(Sn(OH)6)
Ga + H2SO4 = Ga2(SO4)3 + H2 =>
2 Ga + 3 H2SO4 = Ga2(SO4)3 + 3 H2
MgSO4 + (NH4)2SO4 = Mg3N2 + H2SO4 =>
3 MgSO4 + (NH4)2SO4 = Mg3N2 + 4 H2SO4
Te + H2O = TeO + H =>
Te + H2O = TeO + 2 H
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Na2SO4 + NH4I = NaI + (NH4)2SO4 =>
Na2SO4 + 2 NH4I = 2 NaI + (NH4)2SO4
CaCl2(ag) + NaHCO3(ag) = CO2(g) + CaCO3(ag) + NaCl(ag) + H2O =>
CaCl2(ag) + 2 NaHCO3(ag) = CO2(g) + CaCO3(ag) + 2 NaCl(ag) + H2O
HBr + Mg(OH)2 = MgBr2 + H2O =>
2 HBr + Mg(OH)2 = MgBr2 + 2 H2O
C4H8 + O2 = CO2 + H2O =>
C4H8 + 6 O2 = 4 CO2 + 4 H2O
SO2 + H2 = H2S + H2O =>
SO2 + 3 H2 = H2S + 2 H2O
C6H4OHCOOH + CH3OH = C6H4OHCOOCH3 + H2O =>
C6H4OHCOOH + CH3OH = C6H4OHCOOCH3 + H2O
BN + Cl2 = BCl3 + N2 =>
2 BN + 3 Cl2 = 2 BCl3 + N2
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