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3 Cu + 10 HNO3 = 3 Cu(NO3)2 + 4 H2O + 2 HNO3NO
Br2 + KI = I + BrK2 =>
Br2 + 4 KI = 4 I + 2 BrK2
Al + N2 = AlN =>
2 Al + N2 = 2 AlN
Fe{3+} + (NH4)2S = Fe2S3 + NH4{+} =>
2 Fe{3+} + 3(NH4)2S = Fe2S3 + 6 NH4{+}
C18H38 = C9H18 + C9H20 =>
C18H38 = C9H18 + C9H20
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
(NdO)2CO3 + HF = NdF3 + H2O + CO2 =>
(NdO)2CO3 + 6 HF = 2 NdF3 + 3 H2O + CO2
Sr(IO4)2 + HNO2 = HIO4 + Sr(NO2)2 =>
Sr(IO4)2 + 2 HNO2 = 2 HIO4 + Sr(NO2)2
[Cu(NH3)4](OH)2 + H2O = Cu + NH4OH + O2 =>
2[Cu(NH3)4](OH)2 + 6 H2O = 2 Cu + 8 NH4OH + O2
NaF + H2SO4 = NaHSO4 + HF =>
NaF + H2SO4 = NaHSO4 + HF
S + NaOH = H2O + Na2S + Na2SO3 =>
3 S + 6 NaOH = 3 H2O + 2 Na2S + Na2SO3
Pb2{+} + I{-} = Pb2I =>
Pb2{+} + I{-} = Pb2I
Cu(NO3)2 + Mg = Cu + Mg(NO3)2 =>
Cu(NO3)2 + Mg = Cu + Mg(NO3)2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
AgNO3 + (NH4)2CO3 = Ag2CO3 + NH4NO3 =>
2 AgNO3 + (NH4)2CO3 = Ag2CO3 + 2 NH4NO3
Fe2O3 + C2 = Fe2 + CO2 =>
4 Fe2O3 + 3 C2 = 4 Fe2 + 6 CO2
HgCl + H2 = Hg + HCl =>
2 HgCl + H2 = 2 Hg + 2 HCl
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
AgBr + HCl = HBr + AgCl =>
AgBr + HCl = HBr + AgCl
Na2SO4 + ZnBr2 = ZnSO4 + NaBr =>
Na2SO4 + ZnBr2 = ZnSO4 + 2 NaBr
Cu(s) + HCl(g) = CuCl2(g) + H2(g) =>
Cu(s) + 2 HCl(g) = CuCl2(g) + H2(g)
Cu + S8 = CuS =>
8 Cu + S8 = 8 CuS
NH + I = NI + H =>
NH + I = NI + H
KHSO4 = K2S2O7 + H2O =>
2 KHSO4 = K2S2O7 + H2O
Cd(OH)2 + Ni(OH)2 = Cd + NiO(OH) + H2O =>
Cd(OH)2 + 2 Ni(OH)2 = Cd + 2 NiO(OH) + 2 H2O
I2 + O2 = I2O1 =>
2 I2 + O2 = 2 I2O1
H2SO4 + KNO2 = H2 + SO4KNO2 =>
H2SO4 + KNO2 = H2 + SO4KNO2
AgNO3(aq) + NH3(aq) = [Ag(NH3)2]NO3(aq) =>
AgNO3(aq) + 2 NH3(aq) = [Ag(NH3)2]NO3(aq)
Mg2 + Hg2O = Hg + MgO2 =>
Mg2 + 4 Hg2O = 8 Hg + 2 MgO2
Li4F + O2 = LiO3 + F2O2 =>
2 Li4F + 13 O2 = 8 LiO3 + F2O2
NaBr(s) + Cl2(g) = NaCl + Br2 =>
2 NaBr(s) + Cl2(g) = 2 NaCl + Br2
CrCl2 + Sn = SnCl4 + Cr =>
2 CrCl2 + Sn = SnCl4 + 2 Cr
Pb(CH3COO)2 + NaOH + Ca(ClO)2 = PbO2 + H2O + CaCl2 + CH3COONa =>
2 Pb(CH3COO)2 + 4 NaOH + Ca(ClO)2 = 2 PbO2 + 2 H2O + CaCl2 + 4 CH3COONa
NO + O2 = NO2 = =>
2 NO + O2 = 2 NO2
H2SO4 + KNO2 = H2 + SO4KNO2 =>
H2SO4 + KNO2 = H2 + SO4KNO2
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
Ba(OH)2 + Ca(H2PO4)2 = Ca(OH)2 + Ba3(PO4)2 + H2O =>
3 Ba(OH)2 + Ca(H2PO4)2 = Ca(OH)2 + Ba3(PO4)2 + 4 H2O
CH3CH2COOH + Na2O = C2H5COONa + H2O =>
2 CH3CH2COOH + Na2O = 2 C2H5COONa + H2O
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
CuO = Cu + O2 =>
2 CuO = 2 Cu + O2
C8H10 + H2SO4 = C8H10SO3 + H2O =>
C8H10 + H2SO4 = C8H10SO3 + H2O
CrBr3 = Cr + Br =>
CrBr3 = Cr + 3 Br
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Pb(C2H3O2)2 + NaCl = PbCl2 + (C2H3O2)Na =>
Pb(C2H3O2)2 + 2 NaCl = PbCl2 + 2(C2H3O2)Na
Pb(NO3)2 + K3CrO4 = Pb3(CrO4)2 + KNO3 =>
3 Pb(NO3)2 + 2 K3CrO4 = Pb3(CrO4)2 + 6 KNO3
Na + CaO = NaCaO =>
Na + CaO = NaCaO
NH4NO3(aq) = N2O(g) + H2O(l) =>
NH4NO3(aq) = N2O(g) + 2 H2O(l)
Mg + Fe2O3 = Fe + MgO =>
3 Mg + Fe2O3 = 2 Fe + 3 MgO
H2SO4 + KNO2 = H2 + SO4KNO2 =>
H2SO4 + KNO2 = H2 + SO4KNO2
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