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2 Fe2O5 = 4 Fe + 5 O2
H3PO4 + Mg + NH3 + H2O = MgNH4PO4 + H3O =>
H3PO4 + Mg + NH3 + 2 H2O = MgNH4PO4 + 2 H3O
Zn + Pb(NO3)2 = ZnPb2 + N2O6 =>
Zn + 2 Pb(NO3)2 = ZnPb2 + 2 N2O6
Fe2(SO4)3 + CaCO3 + H2O = Fe8O8(OH)6(SO4) + CaSO4 + CO2 =>
4 Fe2(SO4)3 + 11 CaCO3 + 3 H2O = Fe8O8(OH)6(SO4) + 11 CaSO4 + 11 CO2
CO2 + NH3 = OC(NH2)2 + H2O =>
CO2 + 2 NH3 = OC(NH2)2 + H2O
Ni(oh)2 + KOH = Ni(OH)2 + K =>
Ni(oh)2 + 4 KOH = 2 Ni(OH)2 + 4 K
KCIO3 = KCI + O2 =>
2 KCIO3 = 2 KCI + 3 O2
CH3Br + Li = CH3Li + LiBr =>
CH3Br + 2 Li = CH3Li + LiBr
H3C6H507 + NaOH = H2C6H5O7 + H2O + Na =>
H3C6H507 + 517 NaOH = H2C6H5O7 + 510 H2O + 517 Na
(NH4)Cl + KOH = NH5O + KCl =>
(NH4)Cl + KOH = NH5O + KCl
Al(NO3)3 + Ba(OH)2 = Al(OH)3 + Ba3(NO3)6 =>
2 Al(NO3)3 + 3 Ba(OH)2 = 2 Al(OH)3 + Ba3(NO3)6
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Cr2O3 + Mg = MgO + Cr =>
Cr2O3 + 3 Mg = 3 MgO + 2 Cr
CoCl2 + NH3 + H2O = Co(OH)Cl + NH4 + Cl =>
CoCl2 + NH3 + H2O = Co(OH)Cl + NH4 + Cl
H3AsO4 = As2O5 + H2O =>
2 H3AsO4 = As2O5 + 3 H2O
MnSO4 + (NH4)2S = (NH4)2SO4 + MnS =>
MnSO4 + (NH4)2S = (NH4)2SO4 + MnS
Sr(NO3)2 + K2CrO4 = SrCrO4 + K(NO3) =>
Sr(NO3)2 + K2CrO4 = SrCrO4 + 2 K(NO3)
HC2H3O2 + Na2CO3 = H2O + CO2 + NaC2H3O2 =>
2 HC2H3O2 + Na2CO3 = H2O + CO2 + 2 NaC2H3O2
hydrogen + nitrogen = NH3 =>
3 H2 + N2 = 2 NH3
Mg(s) + Al(NO3)2(aq) = Al(s) + Mg(NO3)2(aq) =>
Mg(s) + Al(NO3)2(aq) = Al(s) + Mg(NO3)2(aq)
AlCl3 + NH3 + H2O = NH4Cl + Al(OH)3 =>
AlCl3 + 3 NH3 + 3 H2O = 3 NH4Cl + Al(OH)3
C12H22O11 + KMnO4 = CO2 + H2O + K2MnO4 + MnO2 =>
C12H22O11 + 24 KMnO4 = 12 CO2 + 11 H2O + 12 K2MnO4 + 12 MnO2
Hg + H3PO4 = Hg3(PO4)2 + H2 =>
3 Hg + 2 H3PO4 = Hg3(PO4)2 + 3 H2
S + HNO3 = H2SO4 + NO2 + H2O =>
S + 6 HNO3 = H2SO4 + 6 NO2 + 2 H2O
C3H4 + AgNO3 = C3H4(NO3)2 + Ag =>
C3H4 + 2 AgNO3 = C3H4(NO3)2 + 2 Ag
B2O3 + H2O = H3BO3 =>
B2O3 + 3 H2O = 2 H3BO3
Al + Pb{4+} = Al{3+} + Pb{2+} =>
2 Al + 3 Pb{4+} = 2 Al{3+} + 3 Pb{2+}
CH3COOAg + KSCN = AgSCN + KCH3COO =>
CH3COOAg + KSCN = AgSCN + KCH3COO
HCl + Mo(OH)2 = MoCl2 + H2O =>
2 HCl + Mo(OH)2 = MoCl2 + 2 H2O
SeCl4 + O2 = SeO2 + Cl =>
SeCl4 + O2 = SeO2 + 4 Cl
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
As + H2 = AsH8 =>
As + 4 H2 = AsH8
NaOH(aq) + ZnCl2(aq) = Zn(OH)2 + NaCl =>
2 NaOH(aq) + ZnCl2(aq) = Zn(OH)2 + 2 NaCl
C3H6O + KMnO4 + H2SO4 = C3H6O2 + MnSO4 + H2O + K2SO4 =>
5 C3H6O + 2 KMnO4 + 3 H2SO4 = 5 C3H6O2 + 2 MnSO4 + 3 H2O + K2SO4
CaCl2 + KMnO4 = K2Cl2 + Ca(MnO4)2 =>
CaCl2 + 2 KMnO4 = K2Cl2 + Ca(MnO4)2
Fe(NO3)3 + NaOH = Fe(OH)3 + NaNO3 =>
Fe(NO3)3 + 3 NaOH = Fe(OH)3 + 3 NaNO3
Cl2O5 + Al2O3 = Al(ClO3)3 =>
3 Cl2O5 + Al2O3 = 2 Al(ClO3)3
H3PO4(aq) + OH(aq) = PO4(aq) + H2O(l) =>
H3PO4(aq) + 3 OH(aq) = PO4(aq) + 3 H2O(l)
KAg(CN)2 + Zn = K2[Zn(CN)4] + Ag =>
2 KAg(CN)2 + Zn = K2[Zn(CN)4] + 2 Ag
Al + NO3{-} + H2O = [Al(OH)4]{-} + NH3 + H{+} =>
8 Al + 3 NO3{-} + 23 H2O = 8[Al(OH)4]{-} + 3 NH3 + 5 H{+}
H2S(g) + Fe(OH)3 = Fe2S3 + H2O =>
3 H2S(g) + 2 Fe(OH)3 = Fe2S3 + 6 H2O
KMnO4 + HBr = MnBr2 + Br2 + KBr + H2O =>
2 KMnO4 + 16 HBr = 2 MnBr2 + 5 Br2 + 2 KBr + 8 H2O
H2SO4 + NH4OH = H2O + (NH4)2SO4 =>
H2SO4 + 2 NH4OH = 2 H2O + (NH4)2SO4
Na(s) + H2O(g) = NaOH(aq) + H2(g)1 =>
21 Na(s) + 21 H2O(g) = 21 NaOH(aq) + H2(g)1
C3H5 + O2 = C02 + H2O =>
4 C3H5 + 5 O2 = 6 C02 + 10 H2O
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
CH3CH2COOCH2CH3 + NaOH = C5H9O2 + Na + H3O =>
2 CH3CH2COOCH2CH3 + NaOH = 2 C5H9O2 + Na + H3O
H2O + NO2 = HNO3 + HNO2 =>
H2O + 2 NO2 = HNO3 + HNO2
C + Cl2 = C9Cl20 =>
9 C + 10 Cl2 = C9Cl20
AlBr3 + Na = NaBr + Al =>
AlBr3 + 3 Na = 3 NaBr + Al
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