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Cu + 2 H3O{+} + 2 H2O = H2 + Cu(H2O)4{2+}
Sn + HF = SnF2 + H2 =>
Sn + 2 HF = SnF2 + H2
ZnCl2 + Cd = CdCl2 + Zn =>
ZnCl2 + Cd = CdCl2 + Zn
K2Zn(OH)4 + HCl = ZnCl2 + KCl + H2O =>
K2Zn(OH)4 + 4 HCl = ZnCl2 + 2 KCl + 4 H2O
K2S + FeSO4 = K2SO4 + FeS =>
K2S + FeSO4 = K2SO4 + FeS
HNO3 + Mg(HCO3)2 = Mg(NO3)2 + H2O + CO2 =>
2 HNO3 + Mg(HCO3)2 = Mg(NO3)2 + 2 H2O + 2 CO2
Pb(NO3)2 + FeCl3 = PbCl2 + Fe(NO3)3 =>
3 Pb(NO3)2 + 2 FeCl3 = 3 PbCl2 + 2 Fe(NO3)3
BaS + O2 = BaSO4 =>
BaS + 2 O2 = BaSO4
KBr + C1 = KC1 + Br2 =>
2 KBr + 2 C1 = 2 KC1 + Br2
CF2Cl2 + F2 = CF4 + Cl2 =>
CF2Cl2 + F2 = CF4 + Cl2
Al + NO3{-} + OH{-} = AlO3{3-} + NH3 + H2O =>
8 Al + 3 NO3{-} + 21 OH{-} = 8 AlO3{3-} + 3 NH3 + 6 H2O
B + HNO3 + H2O = H3BO3 + NO =>
B + HNO3 + H2O = H3BO3 + NO
HgI2 + I = HgI4 =>
HgI2 + 2 I = HgI4
FeCl2 + CeCl4 = FeCl3 + CeCl3 =>
FeCl2 + CeCl4 = FeCl3 + CeCl3
NH3 + CHI = NH4CI =>
NH3 + CHI = NH4CI
CuCl2 + SO2 + HCl = S + H2CuCl6 + H2O =>
2 CuCl2 + SO2 + 8 HCl = S + 2 H2CuCl6 + 2 H2O
Cu20 + O2 = CuO =>
Cu20 + 10 O2 = 20 CuO
HCl + NaOH = H2O + NaCl =>
HCl + NaOH = H2O + NaCl
Al(s) + FeCl2(aq) = Fe(s) + AlCl3(aq) =>
2 Al(s) + 3 FeCl2(aq) = 3 Fe(s) + 2 AlCl3(aq)
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
NH3(g) + N2O(g) = N2(g) + H2O(g) =>
2 NH3(g) + 3 N2O(g) = 4 N2(g) + 3 H2O(g)
Bi2(CO3)5(s) + HBr(aq) = BiBr5(s) + H2CO3(aq) =>
Bi2(CO3)5(s) + 10 HBr(aq) = 2 BiBr5(s) + 5 H2CO3(aq)
Li + N2 = Li3N =>
6 Li + N2 = 2 Li3N
C12H26 + O2 = CO2 + H2O =>
2 C12H26 + 37 O2 = 24 CO2 + 26 H2O
Na2CO3(s) = Na2O(s) + CO2(g) =>
Na2CO3(s) = Na2O(s) + CO2(g)
HF + CHCl3 = CHClF2 + HCl =>
2 HF + CHCl3 = CHClF2 + 2 HCl
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
C2H2O4 + C2H5OH = C6H10O4 + H2O =>
C2H2O4 + 2 C2H5OH = C6H10O4 + 2 H2O
Cu(NO3)2 + NaHCO3 = Na(NO3)2 + Cu(HCO3) =>
Cu(NO3)2 + NaHCO3 = Na(NO3)2 + Cu(HCO3)
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Li + N2 = Li3N =>
6 Li + N2 = 2 Li3N
Na2SO4 + CaCl2 = CaSO4 + NaCl =>
Na2SO4 + CaCl2 = CaSO4 + 2 NaCl
Cu(s) + AgNo3(aq) = Cu(No3)2(aq) + Ag(s) =>
Cu(s) + 2 AgNo3(aq) = Cu(No3)2(aq) + 2 Ag(s)
Al2O3 + C + Cl2 = AlCl3 + CO =>
Al2O3 + 3 C + 3 Cl2 = 2 AlCl3 + 3 CO
CaO(s) + SiO2(s) = CaSiO3(l) =>
CaO(s) + SiO2(s) = CaSiO3(l)
HCl + K2SO3 = KCl + H2O + SO2 =>
2 HCl + K2SO3 = 2 KCl + H2O + SO2
NaSiO3 + HF = NaF2 + SiF4 + H2O =>
NaSiO3 + 6 HF = NaF2 + SiF4 + 3 H2O
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
NaHCO3 + CH3COOH = CH3COONa + H2O + CO2 =>
NaHCO3 + CH3COOH = CH3COONa + H2O + CO2
CH3CH2CH2CH3 + Cl2 = CH3CH2CH2CH2Cl + HCl =>
CH3CH2CH2CH3 + Cl2 = CH3CH2CH2CH2Cl + HCl
P + S = P4S10 =>
4 P + 10 S = P4S10
NaNO3 + Cu + H2SO4 = CuNO3 + Na2SO4 + NO2 + H2O =>
2 NaNO3 + Cu + H2SO4 = CuNO3 + Na2SO4 + NO2 + H2O
Al2S3 + O2 = Al2O2 + SO3 =>
2 Al2S3 + 11 O2 = 2 Al2O2 + 6 SO3
C6H6ONa + H2O + CO2 = C6H7O + Na2CO3 =>
2 C6H6ONa + H2O + CO2 = 2 C6H7O + Na2CO3
K + N2 = (K3N2) =>
3 K + N2 = (K3N2)
Na2CO3(s)CO2(g)H2O(g) = NaHCO3 =>
Na2CO3(s)CO2(g)H2O(g) = 2 NaHCO3
CH3NO2 + Cl2 = CCl3NO2 + HCl =>
CH3NO2 + 3 Cl2 = CCl3NO2 + 3 HCl
CH3CH3CHOH + Na = CH3CH3CHONa + H2 =>
2 CH3CH3CHOH + 2 Na = 2 CH3CH3CHONa + H2
HClO + KCl = HCl + KClO =>
HClO + KCl = HCl + KClO
Cr(OH)2 + H2O2 = Cr(OH)3 =>
2 Cr(OH)2 + H2O2 = 2 Cr(OH)3
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