Équations équilibrées la veille |
Zn(OH)2 + H2SO4 = ZnSO4 + 2 H2O
Cr2O7{-2} + H2S + H3O{+} = S + Cr{+3} + H2O =>
Cr2O7{-2} + 3 H2S + 8 H3O{+} = 3 S + 2 Cr{+3} + 15 H2O
Bi2O3 + HBr = BiBr3 + H2O =>
Bi2O3 + 6 HBr = 2 BiBr3 + 3 H2O
KMnO4 + SO2 + H2O = Mn(SO4)2 + Mn(OH)2 + KOH =>
6 KMnO4 + 10 SO2 + 4 H2O = 5 Mn(SO4)2 + Mn(OH)2 + 6 KOH
K(HO) = K2O + H2O =>
2 K(HO) = K2O + H2O
Pb(NO3)2 + Ca = Ca(NO3) + Pb =>
Pb(NO3)2 + 2 Ca = 2 Ca(NO3) + Pb
KMnO4 + H2SO4 + C2Na2O4 = MnSO4 + H2O + CO2 + Na2SO4 + K2SO4 =>
2 KMnO4 + 8 H2SO4 + 5 C2Na2O4 = 2 MnSO4 + 8 H2O + 10 CO2 + 5 Na2SO4 + K2SO4
Fe{3+} + SnCl2 + Cl{-} = Fe{2+} + SnCl4 =>
2 Fe{3+} + SnCl2 + 2 Cl{-} = 2 Fe{2+} + SnCl4
N2H4 + CO2 = NH2NHCOOH =>
N2H4 + CO2 = NH2NHCOOH
CH3OH + O2 = HCOOCH3 + H2O =>
2 CH3OH + O2 = HCOOCH3 + 2 H2O
C9H12NH2 + HCl = C9H13NH2 + Cl =>
C9H12NH2 + HCl = C9H13NH2 + Cl
Si + H2 = H2Si =>
Si + H2 = H2Si
Fe(No3)2 + BaCl2 = FeCl2 + Ba(No3)2 =>
Fe(No3)2 + BaCl2 = FeCl2 + Ba(No3)2
KI + MnO4 = MnO2 + KIO3 =>
2 KI + 3 MnO4 = 3 MnO2 + 2 KIO3
C6H5OH + Be = C6H5OBe + H2 =>
2 C6H5OH + 2 Be = 2 C6H5OBe + H2
H2O + Pd = H + PdO =>
H2O + Pd = 2 H + PdO
C40H82 + Fe(OH)3 = CO2 + Fe + H2O =>
3 C40H82 + 242 Fe(OH)3 = 120 CO2 + 242 Fe + 486 H2O
Sb2O5 + KOH + H2O = KSb(OH)6 =>
Sb2O5 + 2 KOH + 5 H2O = 2 KSb(OH)6
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
U3O8 + HNO3 = UO3 + HNO =>
2 U3O8 + HNO3 = 6 UO3 + HNO
SeO3 + H2O = H2SeO4 =>
SeO3 + H2O = H2SeO4
NaOHCO3 + HNO3 = NaOH(NO3)2 + H2O + CO2 =>
NaOHCO3 + 2 HNO3 = NaOH(NO3)2 + H2O + CO2
Zn + NH4Cl = ZnCl2 + NH4 =>
Zn + 2 NH4Cl = ZnCl2 + 2 NH4
NaOH + HCl = NaCl + H2O = =>
NaOH + HCl = NaCl + H2O
Na4V6O17 + NaOH = Na3VO4 + H2O =>
Na4V6O17 + 14 NaOH = 6 Na3VO4 + 7 H2O
H{+} + MnO4{-} + Zn = Mn{2+} + Zn{2+} + H2O =>
16 H{+} + 2 MnO4{-} + 5 Zn = 2 Mn{2+} + 5 Zn{2+} + 8 H2O
K2S + O2 = K2SO =>
2 K2S + O2 = 2 K2SO
KBr + KMnO4 + H2SO4 = Br2 + MnSO4 + K2SO4 + H2O =>
10 KBr + 2 KMnO4 + 8 H2SO4 = 5 Br2 + 2 MnSO4 + 6 K2SO4 + 8 H2O
Cr2O3H2 = Cr2O2H2O =>
Cr2O3H2 = Cr2O2H2O
K2O + H2SO3 = KHSO3 + H2O =>
K2O + 2 H2SO3 = 2 KHSO3 + H2O
H2SO4 + Na = H2 + Na2SO4 =>
H2SO4 + 2 Na = H2 + Na2SO4
C15H28O3 + O2 = H2O + CO2 =>
2 C15H28O3 + 41 O2 = 28 H2O + 30 CO2
CuO = Cu(s) + O2(g) =>
2 CuO = 2 Cu(s) + O2(g)
NH4(H2)(PO4) = NH3 + H3PO4 =>
NH4(H2)(PO4) = NH3 + H3PO4
Na2C2O4 + Mg(NO3)2 = MgC2O4 + Na2(NO3)2 =>
Na2C2O4 + Mg(NO3)2 = MgC2O4 + Na2(NO3)2
Mg + OH = H2 + MgO =>
2 Mg + 2 OH = H2 + 2 MgO
C + H2O = CH4 + CO2 =>
2 C + 2 H2O = CH4 + CO2
NaCO3 + Ca(OH)2 = Na(OH)2 + CaCO3 =>
NaCO3 + Ca(OH)2 = Na(OH)2 + CaCO3
Zn2 + H2SO4 = Zn(SO4)2 + H2O + S =>
3 Zn2 + 16 H2SO4 = 6 Zn(SO4)2 + 16 H2O + 4 S
Cl2(g) + NaOH(aq) = NaCl(at) + NaClO3(aq) + H2O(l) =>
3 Cl2(g) + 6 NaOH(aq) = 5 NaCl(at) + NaClO3(aq) + 3 H2O(l)
NH3(aq) + H2O(l) = NH4(aq) + OH(aq) =>
NH3(aq) + H2O(l) = NH4(aq) + OH(aq)
FeCl3 + NaOH = Fe(OH)3 + NaCl(l) =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl(l)
Ba(NO3)2 + Na3(PO4) = Ba3(PO4)2 + NaNO3 =>
3 Ba(NO3)2 + 2 Na3(PO4) = Ba3(PO4)2 + 6 NaNO3
Fe + CuNO3 = Cu + Fe9(NO3)2 =>
9 Fe + 2 CuNO3 = 2 Cu + Fe9(NO3)2
Ca + HNO3 = CaHNO3 =>
Ca + HNO3 = CaHNO3
KMnO4 + H2SO4 + [H] = MnSO4 + K2SO4 + H2O2 =>
2 KMnO4 + 3 H2SO4 + 2[H] = 2 MnSO4 + K2SO4 + 4 H2O2
CaSO4 + C = CaCO3 + Ca2C + SO3 =>
3 CaSO4 + 2 C = CaCO3 + Ca2C + 3 SO3
CH3CH(CH3)CH2OH + KMnO4 = CH3CH(CH3)COOH + MnO2 + H2O + KOH =>
3 CH3CH(CH3)CH2OH + 4 KMnO4 = 3 CH3CH(CH3)COOH + 4 MnO2 + H2O + 4 KOH
Zn + HNO3 = Zn(NO3)2 + NH4NO3 + H2O =>
4 Zn + 10 HNO3 = 4 Zn(NO3)2 + NH4NO3 + 3 H2O
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