| Équations équilibrées la veille |
K2SO + 2 HNO3 = K2SO4 + 2 NO + H2O
KO + H3PO4 = KOPO4 + H2 =>
2 KO + 2 H3PO4 = 2 KOPO4 + 3 H2
WSe2 + WCo3 = W + CoSe2 =>
3 WSe2 + WCo3 = 4 W + 3 CoSe2
Pb + H{3}PO[4} = H{2}+Pb{3}(PO{4}){2} =>
Pb + 3 H{3}PO[4} = 3 H{2}+Pb{3}(PO{4}){2}
HNO3(ac) = NO2(ac) + H2O(l) + O2(g) =>
4 HNO3(ac) = 4 NO2(ac) + 2 H2O(l) + O2(g)
L + H3PO4 = H + L2PO4 =>
2 L + H3PO4 = 3 H + L2PO4
Hg(NO3)2 + KL = HgL2(s) + KNO3(aq) =>
Hg(NO3)2 + 2 KL = HgL2(s) + 2 KNO3(aq)
CuO = Cu + O2 =>
2 CuO = 2 Cu + O2
(CH3)2NHHCl = (CH3)2NH2Cl =>
(CH3)2NHHCl = (CH3)2NH2Cl
NH3(ClO3)2 + CaO = NH3O + Ca(ClO3)2 =>
NH3(ClO3)2 + CaO = NH3O + Ca(ClO3)2
C12H232O11 + O2 = CO2 + H2O =>
2 C12H232O11 + 129 O2 = 24 CO2 + 232 H2O
Sr(OH)2(sq) + HClO4(sq) = Sr(ClO4)2(aq) + H2O(l) =>
Sr(OH)2(sq) + 2 HClO4(sq) = Sr(ClO4)2(aq) + 2 H2O(l)
CH3COOH + H2O2 + Cu = Cu(CH3COO)2 + H2O =>
2 CH3COOH + H2O2 + Cu = Cu(CH3COO)2 + 2 H2O
H2SO4 + NH4OH = NH4(HSO4) + H2O =>
H2SO4 + NH4OH = NH4(HSO4) + H2O
C8H18 + NO2 = CO2 + H2O + N =>
2 C8H18 + 25 NO2 = 16 CO2 + 18 H2O + 25 N
C2Cl4 = C + Cl =>
C2Cl4 = 2 C + 4 Cl
Cl2 + H2O + As2O3 = H3AsO4 + HCl =>
2 Cl2 + 5 H2O + As2O3 = 2 H3AsO4 + 4 HCl
MnS + K(ClO) + Na2(CO3) = Na(MnO4) + Na2(SO4) + KCl + CO2 =>
2 MnS + 13 K(ClO) + 3 Na2(CO3) = 2 Na(MnO4) + 2 Na2(SO4) + 13 KCl + 3 CO2
Zn(NO3)2*H2O + Cu(CH3COO)2*H2O + CH3COOH = Zn095Cu005O + CO2 + H2O + N2 =>
190 Zn(NO3)2*H2O + 10 Cu(CH3COO)2*H2O + 267 CH3COOH = 2 Zn095Cu005O + 574 CO2 + 764 H2O + 190 N2
HCOH + H = CH3OH =>
HCOH + 2 H = CH3OH
C44H90 + O2 = C + H2O =>
2 C44H90 + 45 O2 = 88 C + 90 H2O
H2SO4 + Ca + Cl = CaSO4 + HCl =>
H2SO4 + Ca + 2 Cl = CaSO4 + 2 HCl
KBiO3 + Mn(NO3)2 + HNO3 = Bi(NO3)3 + KMnO4 + KNO3 + H2O =>
5 KBiO3 + 2 Mn(NO3)2 + 14 HNO3 = 5 Bi(NO3)3 + 2 KMnO4 + 3 KNO3 + 7 H2O
C8H18 = C2H4 + C6H14 =>
C8H18 = C2H4 + C6H14
Zn + Fe(SO4)3 = ZnSO4 + Fe1 =>
3 Zn + Fe(SO4)3 = 3 ZnSO4 + Fe1
AlN + CaCl2 = AlCl2 + CaN =>
AlN + CaCl2 = AlCl2 + CaN
OsO4 = Os + O =>
OsO4 = Os + 4 O
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
NO2 + NO3 = N2O5 =>
NO2 + NO3 = N2O5
Ga(NO3)3 + VF3 + MoCl3 + Se = GaMoV3Se8 + Cl + NO3 + F =>
Ga(NO3)3 + 3 VF3 + MoCl3 + 8 Se = GaMoV3Se8 + 3 Cl + 3 NO3 + 9 F
Cu + HNO3 = Cu(NO3)2 + H2O + NO2 =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 H2O + 2 NO2
XCaC2 + H2O = XCa(OH)2 + C2H2 =>
XCaC2 + 2 H2O = XCa(OH)2 + C2H2
SiCl4 + H2O = H4SiO4 + H1Cl1 =>
SiCl4 + 4 H2O = H4SiO4 + 4 H1Cl1
Mg + Br2 = Mg{2} + Br{-} =>
Mg + Br2 = Mg{2} + 2 Br{-}
K3PO4 + AgNO3 = Ag3PO4 + KNO3 =>
K3PO4 + 3 AgNO3 = Ag3PO4 + 3 KNO3
MgSO4 + KCl = MgK + ClSO4 =>
MgSO4 + KCl = MgK + ClSO4
N2O4 + S = SO3 + N2 =>
3 N2O4 + 4 S = 4 SO3 + 3 N2
C6H8O6 + O = CO2 + H2O6 =>
C6H8O6 + 30 O = 6 CO2 + 4 H2O6
NaClO3 + H2SO4 + NaCl = Cl2 + H2O + NaHSO4 =>
NaClO3 + 6 H2SO4 + 5 NaCl = 3 Cl2 + 3 H2O + 6 NaHSO4
HBr(aq) + Ca(OH)2 = HBr(OH) + Ca =>
2 HBr(aq) + Ca(OH)2 = 2 HBr(OH) + Ca
NaHSO3(aq) + HNO3(aq) = H2SO3(aq) + NaNO3(aq) =>
NaHSO3(aq) + HNO3(aq) = H2SO3(aq) + NaNO3(aq)
C3H6 + O2 = H2O1 + C1O2 =>
2 C3H6 + 9 O2 = 6 H2O1 + 6 C1O2
C2H5OH + CrO3 = Cr + CH3COOH + H2O =>
3 C2H5OH + 2 CrO3 = 2 Cr + 3 CH3COOH + 3 H2O
Mn3O4 + HCOOH = Mn(COOH)2 + H2O + CO2 =>
Mn3O4 + 7 HCOOH = 3 Mn(COOH)2 + 4 H2O + CO2
Na2Cr2O7 + FeCl2 + HCl = CrCl + FeCl3 + NaCl + H2O =>
Na2Cr2O7 + 10 FeCl2 + 14 HCl = 2 CrCl + 10 FeCl3 + 2 NaCl + 7 H2O
C2H5OH + O2 = C2H2O2 + H2O =>
2 C2H5OH + 3 O2 = 2 C2H2O2 + 4 H2O
FeO + Li = FeLi + O =>
FeO + Li = FeLi + O
Cu + AgNO3 = Cu(NO3) + Ag2 =>
2 Cu + 2 AgNO3 = 2 Cu(NO3) + Ag2
Hg + HBr = BrHg + H =>
Hg + HBr = BrHg + H
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
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