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2 Fe2O3 + 3 C = 4 Fe + 3 CO2
H2CO3 + RbOH = Rb2CO3 + H2O =>
H2CO3 + 2 RbOH = Rb2CO3 + 2 H2O
Cu(OH)2 + C(t) = Cu + CO2 + H2O =>
2 Cu(OH)2 + C(t) = 2 Cu + CO2 + 2 H2O
NaClO + I2 + H2O = NaIO3 + Cl2 + NaOH =>
10 NaClO + I2 + 4 H2O = 2 NaIO3 + 5 Cl2 + 8 NaOH
Ca3(PO4)2(s) + H2SO4(aq) = Ca(H2PO4)2(s) + CaSO4(s) =>
Ca3(PO4)2(s) + 2 H2SO4(aq) = Ca(H2PO4)2(s) + 2 CaSO4(s)
Fe + H2SO4 = FeSO4 + H2 =>
Fe + H2SO4 = FeSO4 + H2
NH3 + CuO = Cu + N2 + H2O =>
2 NH3 + 3 CuO = 3 Cu + N2 + 3 H2O
Bi2(CO3)3 + CH3COOH = Bi(CH3COO)3 + H2CO3 =>
Bi2(CO3)3 + 6 CH3COOH = 2 Bi(CH3COO)3 + 3 H2CO3
CaCO3 + KBr = CaBr + KCO3 =>
CaCO3 + KBr = CaBr + KCO3
C2H6 + Cl2 = C2H5Cl + HCl =>
C2H6 + Cl2 = C2H5Cl + HCl
Ni + NaC1 = NiC1 + Na =>
Ni + NaC1 = NiC1 + Na
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
Na2CO3(s) + HCl(aq) = NaCl + CO2 + H2O =>
Na2CO3(s) + 2 HCl(aq) = 2 NaCl + CO2 + H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Cr2O3 + Si = Cr + SiO2 =>
2 Cr2O3 + 3 Si = 4 Cr + 3 SiO2
PbO + C = Pb + CO2 =>
2 PbO + C = 2 Pb + CO2
Cs + O2 = Cs2O2 =>
2 Cs + O2 = Cs2O2
Cl2 + LiI = LiCl + I2 =>
Cl2 + 2 LiI = 2 LiCl + I2
C6H14 + O2 = C02 + H2O =>
2 C6H14 + 7 O2 = 6 C02 + 14 H2O
CuCl2 + NaOH = Cu(OH)2 + NaCl =>
CuCl2 + 2 NaOH = Cu(OH)2 + 2 NaCl
NaH + BCl3 = NaBH4 + NaCl =>
4 NaH + BCl3 = NaBH4 + 3 NaCl
MgO = Mg + O =>
MgO = Mg + O
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CsCl(aq) + CaS(aq) = Cs2S(aq) + CaCl2(aq) =>
2 CsCl(aq) + CaS(aq) = Cs2S(aq) + CaCl2(aq)
NaClO + KI = NaClOKI =>
NaClO + KI = NaClOKI
Li + AlCl3 = LiCl + Al =>
3 Li + AlCl3 = 3 LiCl + Al
AgCl + HCl = H[AgCl2] =>
AgCl + HCl = H[AgCl2]
CH3COONa + HCl = CH3COOHNa + Cl =>
CH3COONa + HCl = CH3COOHNa + Cl
MnO4{-} + SO3{2-} + H2O = MnO2 + SO4{2-} + OH{-} =>
2 MnO4{-} + 3 SO3{2-} + H2O = 2 MnO2 + 3 SO4{2-} + 2 OH{-}
CaCl2 + K2CO3 = CaCO3 + KCl =>
CaCl2 + K2CO3 = CaCO3 + 2 KCl
BiCl3 + NH4OH = BiOH + NH4Cl3 =>
BiCl3 + NH4OH = BiOH + NH4Cl3
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Na2CO3(s) + HCl(aq) = NaCl + CO2 + H2O(g) =>
Na2CO3(s) + 2 HCl(aq) = 2 NaCl + CO2 + H2O(g)
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
NH4Cl + Cu(SO4) = (NH4)2SO4 + CuCl2 =>
2 NH4Cl + Cu(SO4) = (NH4)2SO4 + CuCl2
H2S + AuCl3 + H2O = Au2S + H2SO4 + HCl =>
3 H2S + 4 AuCl3 + 4 H2O = 2 Au2S + H2SO4 + 12 HCl
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Mg + HCl = Mg(s)Cl(l) + H(g) =>
Mg + HCl = Mg(s)Cl(l) + H(g)
Pb(NO3)2 + (NH4)3PO4 = Pb3(PO4)2 + NH4NO3 =>
3 Pb(NO3)2 + 2(NH4)3PO4 = Pb3(PO4)2 + 6 NH4NO3
FeCl3 + NH2OH + NaOH = NaCl + FeCl2 + H2O + N2O =>
4 FeCl3 + 2 NH2OH + 4 NaOH = 4 NaCl + 4 FeCl2 + 5 H2O + N2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
SnCl4 + NaOH = H2O + Na2SnO3 + NaCl =>
SnCl4 + 6 NaOH = 3 H2O + Na2SnO3 + 4 NaCl
LiCl + O2 = LiO2 + Cl =>
LiCl + O2 = LiO2 + Cl
C8H8O2 + O2 = CO2 + H2O =>
C8H8O2 + 9 O2 = 8 CO2 + 4 H2O
PbCl2 + H2O = PbO + HCl =>
PbCl2 + H2O = PbO + 2 HCl
UCl6 + H2O = UO2 + HCl + Cl2 =>
UCl6 + 2 H2O = UO2 + 4 HCl + Cl2
[Zn(H2O)4]Cl2 + NH4OH = [Zn(NH3)4]Cl2 + H2O =>
[Zn(H2O)4]Cl2 + 4 NH4OH = [Zn(NH3)4]Cl2 + 8 H2O
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