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Ca + 2 HCl = CaCl2 + H2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Fe(NO3)3 + H2O = HNO3 + Fe2O3 =>
2 Fe(NO3)3 + 3 H2O = 6 HNO3 + Fe2O3
Cr2S3 + HCl = CrCl3 + H2S =>
Cr2S3 + 6 HCl = 2 CrCl3 + 3 H2S
VO2 = V + O2 =>
VO2 = V + O2
CuO(s) + HCl(aq) + H2O = [Cu(H2O)6]Cl2 =>
CuO(s) + 2 HCl(aq) + 5 H2O = [Cu(H2O)6]Cl2
KMnO4(aq) + H2O2(aq) = KOH(aq) + MnO2(s) + O2(g) =>
2 KMnO4(aq) + H2O2(aq) = 2 KOH(aq) + 2 MnO2(s) + 2 O2(g)
H2 + N2 + O = HNO3 =>
H2 + N2 + 6 O = 2 HNO3
(NH2)2CO + HNO3 = (NH2)2COHNO3 =>
(NH2)2CO + HNO3 = (NH2)2COHNO3
CO2 = CO + O2 =>
2 CO2 = 2 CO + O2
MgSO4*7H2O + BaCl2 = BaSO4 + MgCl2 + H2O =>
MgSO4*7H2O + BaCl2 = BaSO4 + MgCl2 + 7 H2O
Cu(OH)2 + SO2 = CuSO4 + H2 =>
Cu(OH)2 + SO2 = CuSO4 + H2
AgI + Fe2(CO3)3 = FeI3 + Ag2CO3 =>
6 AgI + Fe2(CO3)3 = 2 FeI3 + 3 Ag2CO3
CS4 + O2 = CO2 + SO3 =>
CS4 + 7 O2 = CO2 + 4 SO3
H{+} + Cl{-} = H2 + Cl2 =>
2 H{+} + 2 Cl{-} = H2 + Cl2
CH3NH2 + HI = CH3NH3I =>
CH3NH2 + HI = CH3NH3I
SO2 + Br2 = S + BrO2 =>
2 SO2 + Br2 = 2 S + 2 BrO2
Ca3(PO4)2 = Ca + PO4 =>
Ca3(PO4)2 = 3 Ca + 2 PO4
HCl + Al2(CrO4)3 = AlCl3 + H2CrO4 =>
6 HCl + Al2(CrO4)3 = 2 AlCl3 + 3 H2CrO4
Fe + Mg + Ca = FeMgCa =>
Fe + Mg + Ca = FeMgCa
Cu(OH)2CO3 = CuO + H2O + CO2 + O2 =>
2 Cu(OH)2CO3 = 2 CuO + 2 H2O + 2 CO2 + O2
Li2 + H2O = Li(OH)3 + H2 =>
Li2 + 6 H2O = 2 Li(OH)3 + 3 H2
F + W + P + S = FW2P6S3 =>
F + 2 W + 6 P + 3 S = FW2P6S3
Na2SiO3 + CO2 = Na2CO3 + SiO2 =>
Na2SiO3 + CO2 = Na2CO3 + SiO2
MnO4 + C2H5CHO = Mn + C2H5COOH =>
MnO4 + 4 C2H5CHO = Mn + 4 C2H5COOH
H{+} + Cl{-} = HCl =>
H{+} + Cl{-} = HCl
NiSO4*H2O + NaOH = Ni(OH)2 + Na2SO4 + H2O =>
NiSO4*H2O + 2 NaOH = Ni(OH)2 + Na2SO4 + H2O
Br2 + I{-} = Br{-} + I2 =>
Br2 + 2 I{-} = 2 Br{-} + I2
HCl(aq) + NaOH(aq) = ClNa + HOH =>
HCl(aq) + NaOH(aq) = ClNa + HOH
F + W + S + P = FW3SP2 =>
F + 3 W + S + 2 P = FW3SP2
MgCO3 + CaSO4 = MgSO4 + CaCO3 =>
MgCO3 + CaSO4 = MgSO4 + CaCO3
MnO4{-} = Mn{2+} + O + {-} =>
MnO4{-} = Mn{2+} + 4 O + 3e
CaOCl2 + HCl = CaCl2 + Cl2 + H2O =>
CaOCl2 + 2 HCl = CaCl2 + Cl2 + H2O
CO2 + NH2OH = CO + N2 + H2O =>
CO2 + 2 NH2OH = CO + N2 + 3 H2O
Pb(NO3)2(aq) + K2S(aq) = PbS + KNO3(aq) =>
Pb(NO3)2(aq) + K2S(aq) = PbS + 2 KNO3(aq)
NH4ClO4 + Al = Al2O3 + NO2 + HCl + H2O =>
6 NH4ClO4 + 2 Al = Al2O3 + 6 NO2 + 6 HCl + 9 H2O
I2 + I{-} = I3{-} =>
I2 + I{-} = I3{-}
Na2Co3 + H2SO4 = Na2(SO4) + H2(Co3) =>
Na2Co3 + H2SO4 = Na2(SO4) + H2(Co3)
Ag + HBr = Br + AgH =>
Ag + HBr = Br + AgH
Ag{+} + I{-} = AgI =>
Ag{+} + I{-} = AgI
Li2CO3 + H2O = Li2O + H2CO3 =>
Li2CO3 + H2O = Li2O + H2CO3
NaI + MnO2 = Na2O + I2 + Mn =>
4 NaI + MnO2 = 2 Na2O + 2 I2 + Mn
CuSO4(aq) + NaOH(aq) = Cu(OH)2(s) + Na2SO4(aq) =>
CuSO4(aq) + 2 NaOH(aq) = Cu(OH)2(s) + Na2SO4(aq)
C4H12N2 + C6H8Cl2O2 = C10H18N2O2 + HCl =>
C4H12N2 + C6H8Cl2O2 = C10H18N2O2 + 2 HCl
Cl2 + I{-} = I2 + Cl{-} =>
Cl2 + 2 I{-} = I2 + 2 Cl{-}
FeS2(g) + O2(g) = Fe2O3(S) + SO2(g) =>
4 FeS2(g) + 9 O2(g) = 2 Fe2O3(S) + 6 SO2(g)
Fe7O7C7 + HCl = Fe(CO)Cl2 + H2 =>
Fe7O7C7 + 14 HCl = 7 Fe(CO)Cl2 + 7 H2
Na{+} + Cl{-} = NaCl =>
Na{+} + Cl{-} = NaCl
FeCl3 + H2SO4 + Zn = FeSO4 + ZnCl2 + HCl =>
2 FeCl3 + 2 H2SO4 + Zn = 2 FeSO4 + ZnCl2 + 4 HCl
HCl + Ba(OH)2 = BaCl2 + H2O =>
2 HCl + Ba(OH)2 = BaCl2 + 2 H2O
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