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2 NH3 + 3 O2 + 2 CH4 = 2 HCN + 6 H2O
H2SO4 + Pb(OH)4 = Pb(SO4)2 + H2O =>
2 H2SO4 + Pb(OH)4 = Pb(SO4)2 + 4 H2O
Ca3(PO4) + SiO2 + C = P4 + CaSiO3 + CO2 =>
4 Ca3(PO4) + 12 SiO2 + 2 C = P4 + 12 CaSiO3 + 2 CO2
FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S
C16H33COOH + O2 = CO2 + H2O =>
2 C16H33COOH + 49 O2 = 34 CO2 + 34 H2O
HClO + Ca(OH)2 = Ca(ClO)2 + H2O =>
2 HClO + Ca(OH)2 = Ca(ClO)2 + 2 H2O
H2SiCl2 + H2O = H8Si4O4 + HCl =>
4 H2SiCl2 + 4 H2O = H8Si4O4 + 8 HCl
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
Ag + Cl2 = AgCl =>
2 Ag + Cl2 = 2 AgCl
K2S(aq) + Ni(NO3)2(aq) = KNO3(aq) + NiS(s) =>
K2S(aq) + Ni(NO3)2(aq) = 2 KNO3(aq) + NiS(s)
PCl3 + H2O = H3PO3 + HCl =>
PCl3 + 3 H2O = H3PO3 + 3 HCl
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
K2Cr2O7 + H2SO4 + Na2S = Cr2(SO4)3 + K2SO4 + Na2SO4 + H2O =>
4 K2Cr2O7 + 16 H2SO4 + 3 Na2S = 4 Cr2(SO4)3 + 4 K2SO4 + 3 Na2SO4 + 16 H2O
Ca3(PO4)2 + H2SO4 = CaSO4 + Ca(H2PO4)2 =>
Ca3(PO4)2 + 2 H2SO4 = 2 CaSO4 + Ca(H2PO4)2
HClO + Ca(OH)2 = Ca(ClO)2 + H2O =>
2 HClO + Ca(OH)2 = Ca(ClO)2 + 2 H2O
H3C6H5O7 + OH = H2C6H5O7 + H2O =>
H3C6H5O7 + OH = H2C6H5O7 + H2O
CUCO3 = CU + CO3 =>
CUCO3 = CU + CO3
Al2S3 + H2O = Al(OH)3 + H2S =>
Al2S3 + 6 H2O = 2 Al(OH)3 + 3 H2S
H2S2O3 + KOH = K2S2O3 + H2O =>
H2S2O3 + 2 KOH = K2S2O3 + 2 H2O
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
HSiCl3 + H2O = H10Si10O15 + HCl =>
10 HSiCl3 + 15 H2O = H10Si10O15 + 30 HCl
Fe(s) + F2(g) = FeF3 =>
2 Fe(s) + 3 F2(g) = 2 FeF3
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
K2CO3(aq) + MgI2(aq) = MgCO3 + KI =>
K2CO3(aq) + MgI2(aq) = MgCO3 + 2 KI
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Ca + HI = CaI2 + H2 =>
Ca + 2 HI = CaI2 + H2
Zn2 + H2SO4 = Zn(SO4)2 + H2 =>
Zn2 + 4 H2SO4 = 2 Zn(SO4)2 + 4 H2
N2Cl4 + CH4 = CCl4 + N2 + H2 =>
N2Cl4 + CH4 = CCl4 + N2 + 2 H2
B + KOH = K3BO3 + H2 =>
2 B + 6 KOH = 2 K3BO3 + 3 H2
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
H3PO4 + HCl = PCl5 + H2O =>
H3PO4 + 5 HCl = PCl5 + 4 H2O
(CuOH)2CO3 = CuO + CO2 + H2O =>
(CuOH)2CO3 = 2 CuO + CO2 + H2O
NH6Cl3 = NH3 + HCl =>
NH6Cl3 = NH3 + 3 HCl
CO3(aq) + Mg(aq) = MgCO3 =>
CO3(aq) + Mg(aq) = MgCO3
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Zn2 + H2SO4 = ZnSO4 + H2 =>
Zn2 + 2 H2SO4 = 2 ZnSO4 + 2 H2
CH4 + H2O = CO + H2 =>
CH4 + H2O = CO + 3 H2
FeO3 + H2SO4 = Fe(SO4)3 + H2O =>
FeO3 + 3 H2SO4 = Fe(SO4)3 + 3 H2O
FeCl3 + NaF = FeF3 + NaCl =>
FeCl3 + 3 NaF = FeF3 + 3 NaCl
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
AG + Cl2 = AGCl =>
2 AG + Cl2 = 2 AGCl
HCl(aq) + NaOH(aq) = NaCl(aq) + H2O(l) =>
HCl(aq) + NaOH(aq) = NaCl(aq) + H2O(l)
Na2CO3 = Na2O + CO2 =>
Na2CO3 = Na2O + CO2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
HgO = Hg + O =>
HgO = Hg + O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Pb(C2H3O2) + NH3 = Pb(NH3) + C2H3O2 =>
Pb(C2H3O2) + NH3 = Pb(NH3) + C2H3O2
SO3 + BA(OH)2 = BASO4 + H2O =>
SO3 + BA(OH)2 = BASO4 + H2O
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