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Cu(NO3)2 + S = CuS + 2 NO3
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Mg + AlCl3 = MgCl3 + Al3 =>
3 Mg + 3 AlCl3 = 3 MgCl3 + Al3
Pb(NO3)2 + K2S = K2(NO3)2 + PbS =>
Pb(NO3)2 + K2S = K2(NO3)2 + PbS
Ca(OH)2 + Fe(SO4) + HCl = CaSO4 + FeCl2 + H2O =>
Ca(OH)2 + Fe(SO4) + 2 HCl = CaSO4 + FeCl2 + 2 H2O
Mg + KI = Mg2KI =>
2 Mg + KI = Mg2KI
NaCl(aq) + Na2CO3(aq) = NaCO3(s) + Na2Cl(aq) =>
NaCl(aq) + Na2CO3(aq) = NaCO3(s) + Na2Cl(aq)
CrSO4 + KNO3 + H2SO4 = N2 + Cr2(SO4)3 + K2SO4 + H2O =>
10 CrSO4 + 2 KNO3 + 6 H2SO4 = N2 + 5 Cr2(SO4)3 + K2SO4 + 6 H2O
Mg2C3 = Mg + C =>
Mg2C3 = 2 Mg + 3 C
NaCO3 + FeNO3 = NaNO3 + FeCO3 =>
NaCO3 + FeNO3 = NaNO3 + FeCO3
Be + P = BeP =>
Be + P = BeP
CH4(g) + F2(g) + Cl2(g) = CF2Cl2(g) + HF(g) = HCl(g) =>
CH4(g) + 3 F2(g) + Cl2(g) = CF2Cl2(g) + 4 HF(g)
AgNO3 + NaHCl = AgHCl + NaNO3 =>
AgNO3 + NaHCl = AgHCl + NaNO3
FeCl2 + Na2O2 + H2O = NaCl + O2 + Fe(OH)3 =>
4 FeCl2 + 4 Na2O2 + 6 H2O = 8 NaCl + O2 + 4 Fe(OH)3
Kl + Pb(NO3)3 = Pb + Kl(NO3) =>
3 Kl + Pb(NO3)3 = Pb + 3 Kl(NO3)
Ca(HCO3) + CH3COOH = CaCH3COO + CO2 + H2O =>
Ca(HCO3) + CH3COOH = CaCH3COO + CO2 + H2O
CrSO4 + HOH = CrHSO3 + OH =>
CrSO4 + 2 HOH = CrHSO3 + 3 OH
O2 + ZnS = ZnO2 + SO2 =>
2 O2 + ZnS = ZnO2 + SO2
HC2H3O2 + HS = C2H3O2 + H2S =>
HC2H3O2 + HS = C2H3O2 + H2S
Na2S + NH4CO3 = NaCO3 + (NH4)2S =>
Na2S + 2 NH4CO3 = 2 NaCO3 + (NH4)2S
CH3CH2CH3Br + CH3NH2 = CH3CH2CH2(NH)CH3 + CH3NH3 + Br =>
CH3CH2CH3Br + 3 CH3NH2 = CH3CH2CH2(NH)CH3 + 2 CH3NH3 + Br
Fe(OH)3 + Na2HPO4 = Fe2(HPO4)3 + NaOH =>
2 Fe(OH)3 + 3 Na2HPO4 = Fe2(HPO4)3 + 6 NaOH
MgCO3 + H3PO4 = Mg3(PO4)2 + H2O + CO2 =>
3 MgCO3 + 2 H3PO4 = Mg3(PO4)2 + 3 H2O + 3 CO2
FeCl2 + Cl2 = FeCl3 =>
2 FeCl2 + Cl2 = 2 FeCl3
Cl2 + Ca(OH)2 = CaCl2 + Ca(OCl3)2 + H2O =>
4 Cl2 + 2 Ca(OH)2 = CaCl2 + Ca(OCl3)2 + 2 H2O
Na2Co3 + Ca(No3)2 = Na2(No3)2 + CaCo3(s) =>
Na2Co3 + Ca(No3)2 = Na2(No3)2 + CaCo3(s)
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
AgNO3 + Na2SO4 = AgNa2 + SO4NO3 =>
AgNO3 + Na2SO4 = AgNa2 + SO4NO3
Hg2(NO3)2 + NH4I = Hg2I2 + NH4NO3 =>
Hg2(NO3)2 + 2 NH4I = Hg2I2 + 2 NH4NO3
HI + Co(OH)2 = CoI2 + H2O =>
2 HI + Co(OH)2 = CoI2 + 2 H2O
AlF3 + H2SO4 = Al2(SO4)3 + HF =>
2 AlF3 + 3 H2SO4 = Al2(SO4)3 + 6 HF
Ca3(PO4)2 + SiO2 + C = CaSiCO3 + P4 + CO =>
2 Ca3(PO4)2 + 6 SiO2 + 16 C = 6 CaSiCO3 + P4 + 10 CO
N + O1 = N2O =>
2 N + O1 = N2O
Ca(HCO3)2(s) = CaO(s) + H2O(g) + CO2(g) =>
Ca(HCO3)2(s) = CaO(s) + H2O(g) + 2 CO2(g)
NH4 + CrO4 = NH4CrO4 =>
NH4 + CrO4 = NH4CrO4
CuSO4Ba(OH)2 = BaSO4Cu(OH)2 =>
CuSO4Ba(OH)2 = BaSO4Cu(OH)2
CaO + Al2(SO4)3 + H2O = Al(OH)3 + CaSO4 =>
3 CaO + Al2(SO4)3 + 3 H2O = 2 Al(OH)3 + 3 CaSO4
C6H5Cl + HCl = C6H4Cl2 + H2 =>
C6H5Cl + HCl = C6H4Cl2 + H2
Zn + HCl = ZnCl + HZn =>
2 Zn + HCl = ZnCl + HZn
Li2O + Mg3P2 = Li3P + MgO =>
3 Li2O + Mg3P2 = 2 Li3P + 3 MgO
Ca3(PO4)2 + H2SO4 = CaSO4 + CaH4(PO4)2 =>
Ca3(PO4)2 + 2 H2SO4 = 2 CaSO4 + CaH4(PO4)2
CN{-} + Cu{2+} = Cu(CN)3{2-} + (CN)2 =>
8 CN{-} + 2 Cu{2+} = 2 Cu(CN)3{2-} + (CN)2
Mn2O7 + H2O = Mn(OH)7 =>
Mn2O7 + 7 H2O = 2 Mn(OH)7
AgH = Ag + H =>
AgH = Ag + H
CaF2 + NaOH = Ca(OH)2 + NaF =>
CaF2 + 2 NaOH = Ca(OH)2 + 2 NaF
H3C6 + O2 = CO2 + H2O =>
4 H3C6 + 27 O2 = 24 CO2 + 6 H2O
Hg2(NO3)2 + NH4I = Hg2I2 + NH4NO3 =>
Hg2(NO3)2 + 2 NH4I = Hg2I2 + 2 NH4NO3
AlF3 = Al + F2 =>
2 AlF3 = 2 Al + 3 F2
NiCl2 + O2 = NiO + Cl2O5 =>
NiCl2 + 3 O2 = NiO + Cl2O5
Cu(NO3)2 + (NH4)3PO4 = Cu3(PO4)2 + NH4NO3 =>
3 Cu(NO3)2 + 2(NH4)3PO4 = Cu3(PO4)2 + 6 NH4NO3
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