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4(NH2)2CO + 6 NO2 = 7 N2 + 8 H2O + 4 CO2
Fe + O2 = Fe3O4 =>
3 Fe + 2 O2 = Fe3O4
NH3 + Cl2 = NH4Cl + N2 =>
8 NH3 + 3 Cl2 = 6 NH4Cl + N2
VO2 + HBr = VBr4 + H2O =>
VO2 + 4 HBr = VBr4 + 2 H2O
CaCO3 + HCl = CO2 + CaCl2 + H2O =>
CaCO3 + 2 HCl = CO2 + CaCl2 + H2O
Br2 + KCrO2 + KOH = K2CrO4 + KBr + H2 =>
Br2 + 2 KCrO2 + 4 KOH = 2 K2CrO4 + 2 KBr + 2 H2
FeO + HBr = H2O + FeBr2 =>
FeO + 2 HBr = H2O + FeBr2
Fe(NO3)3 + KSCN = Fe(SCN)2 + NO3 + K4 =>
2 Fe(NO3)3 + 4 KSCN = 2 Fe(SCN)2 + 6 NO3 + K4
HO2 = H2 + O2 =>
2 HO2 = H2 + 2 O2
Ni(H2O)6(Cl)2 + PPh3 = Ni(Cl)2(PPh3)2 + H2O =>
Ni(H2O)6(Cl)2 + 2 PPh3 = Ni(Cl)2(PPh3)2 + 6 H2O
C5H11COOH + Na = C5H11COONa + H2 =>
2 C5H11COOH + 2 Na = 2 C5H11COONa + H2
Ai + P = Ai3P3 =>
3 Ai + 3 P = Ai3P3
NaIO3 + Cl2 = NaClO3 + I2 =>
2 NaIO3 + Cl2 = 2 NaClO3 + I2
H2O2 + FeSO4 = FeSO5 + H2O =>
H2O2 + FeSO4 = FeSO5 + H2O
Ca(CN)2 + Na3PO4 = Ca3(PO4)2 + NaCN =>
3 Ca(CN)2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCN
Ca3(PO4)2 + Ag2SO4 = Ca(SO4) + Ag3(PO4) =>
Ca3(PO4)2 + 3 Ag2SO4 = 3 Ca(SO4) + 2 Ag3(PO4)
MoO4 + H = Mo7O24 + H2O =>
7 MoO4 + 8 H = Mo7O24 + 4 H2O
Zn + KNO2 + HCl = ZnCl2 + KCl + NH4Cl + H2O =>
3 Zn + KNO2 + 8 HCl = 3 ZnCl2 + KCl + NH4Cl + 2 H2O
CuCl + Mn = MnCl2 + Cu =>
2 CuCl + Mn = MnCl2 + 2 Cu
Li + Si = Li3Si =>
3 Li + Si = Li3Si
CH3COOH + HNH4 = HOH + CH3CONH4 =>
CH3COOH + HNH4 = HOH + CH3CONH4
C18H34O2 + O2 = CO2 + H2O =>
2 C18H34O2 + 51 O2 = 36 CO2 + 34 H2O
FeO + C(O2) = FeCO3 =>
FeO + C(O2) = FeCO3
AI2O3 + SO3 = AI2(SO4)3 =>
AI2O3 + 3 SO3 = AI2(SO4)3
Sr2O2 + H2O = Sr(OH)2 =>
Sr2O2 + 2 H2O = 2 Sr(OH)2
Al + N2O5 = Al2O3 + N2 =>
10 Al + 3 N2O5 = 5 Al2O3 + 3 N2
NaOH + H2(SO)3 = Na2(SO)3 + H2O =>
2 NaOH + H2(SO)3 = Na2(SO)3 + 2 H2O
H2S + Fe = Fe2S3 + H2 =>
3 H2S + 2 Fe = Fe2S3 + 3 H2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Cd2 + HCl = CdCl2 + H2 =>
Cd2 + 4 HCl = 2 CdCl2 + 2 H2
PCl3 + PbF2 = PF3 + PbCl2 =>
2 PCl3 + 3 PbF2 = 2 PF3 + 3 PbCl2
Cu(OH)2 + (NH4)2SO4 = CuSO4 + NH3 + H2O =>
Cu(OH)2 + (NH4)2SO4 = CuSO4 + 2 NH3 + 2 H2O
CaCl2(aq) + FeSO4(aq) = CaSO4 + FeCl2 =>
CaCl2(aq) + FeSO4(aq) = CaSO4 + FeCl2
AlBr3(aq) + K3PO4(aq) = KBr(aq) + AlPO4(s) =>
AlBr3(aq) + K3PO4(aq) = 3 KBr(aq) + AlPO4(s)
[Ag(NH3)2]3PO4 + BaCl2 = Ba3(PO4)2 + [Ag(NH3)2]Cl =>
2[Ag(NH3)2]3PO4 + 3 BaCl2 = Ba3(PO4)2 + 6[Ag(NH3)2]Cl
HgCe2 + Ae = AeCe3 + Hg =>
3 HgCe2 + 2 Ae = 2 AeCe3 + 3 Hg
Mg + Al(No3)3 = Mg(No3)2 + Al =>
3 Mg + 2 Al(No3)3 = 3 Mg(No3)2 + 2 Al
CaCl2*H2O + K2CO3 = CaCO3 + KCl + H2O =>
CaCl2*H2O + K2CO3 = CaCO3 + 2 KCl + H2O
(CN)2 + OH{-} = CN{-} + OCN{-} + H2O =>
(CN)2 + 2 OH{-} = CN{-} + OCN{-} + H2O
AgS + HCl = AgCl + HS =>
AgS + HCl = AgCl + HS
Sr + H2O = Sr(OH)2 + H2 =>
Sr + 2 H2O = Sr(OH)2 + H2
[Ag(NH3)2]3PO4 + BaCl2 = Ba3(PO4)2 + [Ag(NH3)2]Cl =>
2[Ag(NH3)2]3PO4 + 3 BaCl2 = Ba3(PO4)2 + 6[Ag(NH3)2]Cl
CH3COOH + H2O = CH3COO + H3O =>
CH3COOH + H2O = CH3COO + H3O
FeCl2 + KOH = Fe(OH)2 + KCl =>
FeCl2 + 2 KOH = Fe(OH)2 + 2 KCl
H2S2 + O2 = SO2 + H2O =>
2 H2S2 + 5 O2 = 4 SO2 + 2 H2O
CaCl2 + Na3Po4 = Ca3(Po4)2 + NaCl =>
3 CaCl2 + 2 Na3Po4 = Ca3(Po4)2 + 6 NaCl
C4H8 + O2 = CO2 + H2O =>
C4H8 + 6 O2 = 4 CO2 + 4 H2O
CaS + H2SO3 = CaSO3 + H2S =>
CaS + H2SO3 = CaSO3 + H2S
Mg(s) + HCl(aq) = H2(g) + MgCl2(aq) =>
Mg(s) + 2 HCl(aq) = H2(g) + MgCl2(aq)
Cu(OH)2 + HSO = Cu(SO)2 + H2O =>
Cu(OH)2 + 2 HSO = Cu(SO)2 + 2 H2O
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