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2 Na + O2 = 2 NaO
HCN + O2 = OH + CO2 + NO2 =>
2 HCN + 5 O2 = 2 OH + 2 CO2 + 2 NO2
Na2SiF6 + H2O = Na2SiO3 + HF =>
Na2SiF6 + 3 H2O = Na2SiO3 + 6 HF
Fe(CH3COO)3 + (NH4)2S = Fe2S3 + NH4CH3COO =>
2 Fe(CH3COO)3 + 3(NH4)2S = Fe2S3 + 6 NH4CH3COO
CuCO3 = CuO + CO2 =>
CuCO3 = CuO + CO2
Hg2(NO3)2KI = Hg2IK(NO3)2 =>
Hg2(NO3)2KI = Hg2IK(NO3)2
Zn(OH)2 + H2SO4 = ZnSO4 + HOH =>
Zn(OH)2 + H2SO4 = ZnSO4 + 2 HOH
Al + HCl = H2 + AlCl3 =>
2 Al + 6 HCl = 3 H2 + 2 AlCl3
Zn(OH)2 + H2SO4 = ZnSO4 + HOH =>
Zn(OH)2 + H2SO4 = ZnSO4 + 2 HOH
NO2Cl = NO2 + Cl2 =>
2 NO2Cl = 2 NO2 + Cl2
Ca + H2SO4 = CaSO4 + H2 =>
Ca + H2SO4 = CaSO4 + H2
BaCl2CuSO4 = CuCl2BaSO4 =>
BaCl2CuSO4 = CuCl2BaSO4
Zn(OH)2 + H2SO4 = ZnSO4 + HOH =>
Zn(OH)2 + H2SO4 = ZnSO4 + 2 HOH
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
Mg(AsO3)2CuSO4 = Cu(AsO3)2MgSO4 =>
Mg(AsO3)2CuSO4 = Cu(AsO3)2MgSO4
HCl + Sr(OH)2 = H2O + SrCl2 =>
2 HCl + Sr(OH)2 = 2 H2O + SrCl2
Fe(s)S(s) = FeS(s) =>
Fe(s)S(s) = FeS(s)
Zn(s)Cl2(g) = ZnCl2(s) =>
Zn(s)Cl2(g) = ZnCl2(s)
C3H6N2O4 + O2 = CO2 + H2O + N2 =>
2 C3H6N2O4 + 5 O2 = 6 CO2 + 6 H2O + 2 N2
C2H5OH + NaClO = CHCl3 + NaOH + HCOONa + H2O =>
3 C2H5OH + 12 NaClO = 4 CHCl3 + 10 NaOH + 2 HCOONa + H2O
N2 + F2 = NF3 =>
N2 + 3 F2 = 2 NF3
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
C6H5NH2HCl = C6H6NH2Cl =>
C6H5NH2HCl = C6H6NH2Cl
Fe2 + F2 = FeF3 =>
Fe2 + 3 F2 = 2 FeF3
Pb + CuCl2 = PbCl2 + Cu =>
Pb + CuCl2 = PbCl2 + Cu
LiCO3 = Li + CO + O2 =>
LiCO3 = Li + CO + O2
BaONaOH = BaOHNaO =>
BaONaOH = BaOHNaO
C400 = C =>
C400 = 400 C
Ca + Cu(NO3)2 = Ca(NO3)2 + Cu =>
Ca + Cu(NO3)2 = Ca(NO3)2 + Cu
CuCl2NaOH = Cu(OH)NaCl2 =>
CuCl2NaOH = Cu(OH)NaCl2
Na3P + HNO3 = NaH2PO4 + NO2 + NaNO3 + H2O =>
Na3P + 10 HNO3 = NaH2PO4 + 8 NO2 + 2 NaNO3 + 4 H2O
AgNO3(ac)HCl(ac) = HNO3(ac)AgCl =>
AgNO3(ac)HCl(ac) = HNO3(ac)AgCl
SO2 + Li2Se = SSe2 + Li2O =>
SO2 + 2 Li2Se = SSe2 + 2 Li2O
K + MgBr2 = KBr + Mg =>
2 K + MgBr2 = 2 KBr + Mg
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
FeCl3(aq) + NH4OH(aq) = Fe(OH)3(aq) + NH4Cl(aq) =>
FeCl3(aq) + 3 NH4OH(aq) = Fe(OH)3(aq) + 3 NH4Cl(aq)
Na + Cl = NaCl =>
Na + Cl = NaCl
Zn(s) + HNO3(aq) = Zn(NO3)2(aq) + H2(g) =>
Zn(s) + 2 HNO3(aq) = Zn(NO3)2(aq) + H2(g)
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
H2S + KMnO4 + H2O = MnO2 + KOH + H2SO4 =>
3 H2S + 8 KMnO4 + 4 H2O = 8 MnO2 + 8 KOH + 3 H2SO4
Sm2O3Fe2O3 = SmFeO3 =>
Sm2O3Fe2O3 = 2 SmFeO3
Cl2 + CaI2 = CaCl2 + I2 =>
Cl2 + CaI2 = CaCl2 + I2
NH3 + HS = N2S3 + H2 =>
4 NH3 + 6 HS = 2 N2S3 + 9 H2
Cr{3+} + Fe(s) = Fe{2+} + Cr(s) =>
2 Cr{3+} + 3 Fe(s) = 3 Fe{2+} + 2 Cr(s)
Al(OH)3 + SiO2 = Al2Si2O5(OH)4 + H2O =>
2 Al(OH)3 + 2 SiO2 = Al2Si2O5(OH)4 + H2O
BaO(s) = OBa =>
BaO(s) = OBa
Mg2 + NO2 = MgO + N2 =>
2 Mg2 + 2 NO2 = 4 MgO + N2
Cu(OH)2 + Al(NO3)3 = Cu(NO3)2 + Al(OH)3 =>
3 Cu(OH)2 + 2 Al(NO3)3 = 3 Cu(NO3)2 + 2 Al(OH)3
C2H5NH2(g) + O2(g) = CO2(g) + H2O + N2(g) =>
4 C2H5NH2(g) + 15 O2(g) = 8 CO2(g) + 14 H2O + 2 N2(g)
Tb + C = TbC2 =>
Tb + 2 C = TbC2
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