Équations équilibrées la veille |
3 Pb(CH3COO)2 + K2Cr2O7 + 4 H2SO4 = 3 PbO2 + Cr2(SO4)3 + 6 CH3COOH + K2SO4 + H2O
C7H10N + O2 = CO2 + H2O + NO2 =>
2 C7H10N + 21 O2 = 14 CO2 + 10 H2O + 2 NO2
NiCl2(aq) + NaOH(aq) = NaCl2(s) + NiOH(aq) =>
NiCl2(aq) + NaOH(aq) = NaCl2(s) + NiOH(aq)
Fe + X = FeX =>
Fe + X = FeX
H2SO4 + Zn = ZnSO4 + H2O + SO2 =>
2 H2SO4 + Zn = ZnSO4 + 2 H2O + SO2
C3H7CO2H + Na2CO3 = CH3CO2Na + CO2 + H2O =>
4 C3H7CO2H + 5 Na2CO3 = 10 CH3CO2Na + CO2 + H2O
NH4 + OH = NOH5 =>
NH4 + OH = NOH5
Hg(C2H3O2)2 + HCl = HgCl2 + HC2H3O2 =>
Hg(C2H3O2)2 + 2 HCl = HgCl2 + 2 HC2H3O2
C8H8 + NaOH = C8H7Na + H2O =>
C8H8 + NaOH = C8H7Na + H2O
Mg + C2H3O2 = MgO2 + C2H3 =>
Mg + C2H3O2 = MgO2 + C2H3
NaClO = NaCl + O2 =>
2 NaClO = 2 NaCl + O2
Sb + Cl2 = SbCl3 =>
2 Sb + 3 Cl2 = 2 SbCl3
K2 + Br = KBr =>
K2 + 2 Br = 2 KBr
Ni(C5H5)2 + H2 = Ni + C5H10 =>
Ni(C5H5)2 + 5 H2 = Ni + 2 C5H10
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
AgNO3 + K2CO3 = Ag2CO3 + KNO3 =>
2 AgNO3 + K2CO3 = Ag2CO3 + 2 KNO3
Ga + Br2 = GaBr3 =>
2 Ga + 3 Br2 = 2 GaBr3
Cr(ClO4)3 + K2CO3 = KClO4 + Cr2(CO3)3 =>
2 Cr(ClO4)3 + 3 K2CO3 = 6 KClO4 + Cr2(CO3)3
AsCl3 + NaBH4 = AsH3 + NaCl + BCl3 =>
4 AsCl3 + 3 NaBH4 = 4 AsH3 + 3 NaCl + 3 BCl3
ZnOH + H2SO4 = Zn + SO4 + H2O =>
2 ZnOH + H2SO4 = 2 Zn + SO4 + 2 H2O
Fe(OH)3 + H(ClO3) = Fe(ClO3)3 + H2O =>
Fe(OH)3 + 3 H(ClO3) = Fe(ClO3)3 + 3 H2O
KOH + HBr = K + Br + H2O =>
KOH + HBr = K + Br + H2O
H2O + N2 + CO2 = N2H3CH3 + N2O4 =>
12 H2O + 9 N2 + 4 CO2 = 4 N2H3CH3 + 5 N2O4
SiO2 + Mg(OH)2 = MgO + Si(OH)4 =>
SiO2 + 2 Mg(OH)2 = 2 MgO + Si(OH)4
LiBr + Co(SO4)2 = Li2SO4 + CoBr4 =>
4 LiBr + Co(SO4)2 = 2 Li2SO4 + CoBr4
(Cr2O7) + S8 = Cr2O3 + SO2 =>
4(Cr2O7) + S8 = 4 Cr2O3 + 8 SO2
Zn + Cu(NO3)2 = Zn(NO3)2 + Cu =>
Zn + Cu(NO3)2 = Zn(NO3)2 + Cu
SO3{2-} + MnO4{2-} + H3O{+} = SO4{2-} + Mn{2+} + H2O =>
2 SO3{2-} + MnO4{2-} + 4 H3O{+} = 2 SO4{2-} + Mn{2+} + 6 H2O
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
KC2H3O2 + (NH4)2SO4 = K2SO4 + NH4C2H3O2 =>
2 KC2H3O2 + (NH4)2SO4 = K2SO4 + 2 NH4C2H3O2
AlCl3 + NH4OH = NH4Cl + Al(OH)3 =>
AlCl3 + 3 NH4OH = 3 NH4Cl + Al(OH)3
P + HNO3 + H2O = H3PO4 + NO =>
3 P + 5 HNO3 + 2 H2O = 3 H3PO4 + 5 NO
Na2S2O3(aq) + H2O(l) = Na2S2O3*5H2O(s) =>
Na2S2O3(aq) + 5 H2O(l) = Na2S2O3*5H2O(s)
NaOH(aq) + NiCl2(aq) = Ni(OH)2(aq) + NaCl(aq) =>
2 NaOH(aq) + NiCl2(aq) = Ni(OH)2(aq) + 2 NaCl(aq)
Bi(NO3)3 + SnCl2 + NaOH = Bi + Na2[Sn(OH)6] + NaNO3 + NaCl =>
2 Bi(NO3)3 + 3 SnCl2 + 18 NaOH = 2 Bi + 3 Na2[Sn(OH)6] + 6 NaNO3 + 6 NaCl
Cu(NO3)2 + NaI = CuI2 + NO3 + Na =>
Cu(NO3)2 + 2 NaI = CuI2 + 2 NO3 + 2 Na
CuCO3 = CO2 + CuO =>
CuCO3 = CO2 + CuO
(NH4)3PO4 + CaCl2 = (NH4)3PO4CaCl2 =>
(NH4)3PO4 + CaCl2 = (NH4)3PO4CaCl2
Zn + Cu(NO3)2 = Zn(NO3)2 + Cu =>
Zn + Cu(NO3)2 = Zn(NO3)2 + Cu
C7H16 + O2 = CO2 + H2 =>
C7H16 + 7 O2 = 7 CO2 + 8 H2
KCl + Na3[Co(NO2)6] = KNa2[Co(NO2)6] + NaCl =>
KCl + Na3[Co(NO2)6] = KNa2[Co(NO2)6] + NaCl
HNo + Na = NoNa3 + H =>
HNo + 3 Na = NoNa3 + H
Mo + Ge = GeMo =>
Mo + Ge = GeMo
Zn + Cu(NO3)2 = Zn(NO3)2 + Cu =>
Zn + Cu(NO3)2 = Zn(NO3)2 + Cu
K2CrO4 + NH4HS + H2O + KOH = S + K3[Cr(OH)6] + NH3*H2O =>
2 K2CrO4 + 3 NH4HS + 5 H2O + 2 KOH = 3 S + 2 K3[Cr(OH)6] + 3 NH3*H2O
CuS = SCu =>
CuS = SCu
P4(s) + H2(g) = PH3(g) =>
P4(s) + 6 H2(g) = 4 PH3(g)
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
HCO3(s) = CO3(g) + CO2(g) + H2O(g) =>
2 HCO3(s) = CO3(g) + CO2(g) + H2O(g)
CO2 + H3 = H2O + C3 =>
3 CO2 + 4 H3 = 6 H2O + C3
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