| Équations équilibrées la veille |
SrBr2 + K2S = SrS + 2 KBr
Cs + H2SO4 = Cs2SO4 + H2S + H2O =>
8 Cs + 5 H2SO4 = 4 Cs2SO4 + H2S + 4 H2O
Cu + H2SO4 = H2O + CuSO4 + CuS =>
4 Cu + 4 H2SO4 = 4 H2O + 3 CuSO4 + CuS
KIO3 + KI + HCl = I + H2O + KCl =>
KIO3 + 5 KI + 6 HCl = 6 I + 3 H2O + 6 KCl
O2(g) = O3(g) =>
3 O2(g) = 2 O3(g)
CO2 + H2O = C6H120 + O2 =>
6 CO2 + 60 H2O = C6H120 + 36 O2
ClO3{-} + SO3{-2} = Cl{-} + SO4{-2} =>
ClO3{-} + 3 SO3{-2} = Cl{-} + 3 SO4{-2}
Li30 = Li3341 =>
3341 Li30 = 30 Li3341
Na2SO4 + SnCl4 = Sn(SO4)2 + NaCl =>
2 Na2SO4 + SnCl4 = Sn(SO4)2 + 4 NaCl
MgO(s) + H2SO4(aq) = MgSO4(aq) + H2O(l) =>
MgO(s) + H2SO4(aq) = MgSO4(aq) + H2O(l)
C8H9NO2 + HCl + SnCl2 = C8H11N + H2O + SnCl3 =>
C8H9NO2 + 6 HCl + 6 SnCl2 = C8H11N + 2 H2O + 6 SnCl3
NH4VO3 + Zn + H2SO4 = VSO4 + ZnSO4 + NH3 + H2O =>
2 NH4VO3 + 3 Zn + 5 H2SO4 = 2 VSO4 + 3 ZnSO4 + 2 NH3 + 6 H2O
P2O3 + Na2CrO4 + NaOH + H2O = Na3[Cr(OH)6] + Na3PO4 =>
3 P2O3 + 4 Na2CrO4 + 22 NaOH + H2O = 4 Na3[Cr(OH)6] + 6 Na3PO4
HgSO4 + H3PO4 = Hg3(PO4)2 + H2SO4 =>
3 HgSO4 + 2 H3PO4 = Hg3(PO4)2 + 3 H2SO4
HNO3 + Mg(OH)2 = H2O + Mg(NO3)2 =>
2 HNO3 + Mg(OH)2 = 2 H2O + Mg(NO3)2
C4H6 + KMnO4 + H2O = C4O4H10 + KOH + MnO2 =>
3 C4H6 + 4 KMnO4 + 8 H2O = 3 C4O4H10 + 4 KOH + 4 MnO2
CH3COO + NaOH = CH3COONa + OH =>
CH3COO + NaOH = CH3COONa + OH
HC2H3O2 + Ca(OH)2 = H2O + Ca(C2H3O2)2 =>
2 HC2H3O2 + Ca(OH)2 = 2 H2O + Ca(C2H3O2)2
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
Li2CO3 + BaCO3 + PbO + H3PO4 = (Li2O)10(BaO)20(PbO)10(P2O5)60 + CO2 + H2O =>
10 Li2CO3 + 20 BaCO3 + 10 PbO + 120 H3PO4 = (Li2O)10(BaO)20(PbO)10(P2O5)60 + 30 CO2 + 180 H2O
ethane + Cl2 = C2H4C12 + HCl =>
7 C2H6 + 19 Cl2 = C2H4C12 + 38 HCl
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
B2O3(s) + C(s) = B4C(s) + CO(g) =>
2 B2O3(s) + 7 C(s) = B4C(s) + 6 CO(g)
NaI(s) + H2SO4(aq) = Na2SO4(aq) + I2(s) + H2S(g) + H2O(l) =>
8 NaI(s) + 5 H2SO4(aq) = 4 Na2SO4(aq) + 4 I2(s) + H2S(g) + 4 H2O(l)
C2H6O + HCl + K2Cr2O7 = C2H4O + CrCl3 + KCl + H2O =>
3 C2H6O + 8 HCl + K2Cr2O7 = 3 C2H4O + 2 CrCl3 + 2 KCl + 7 H2O
CaCl2 + H2C2 = CaC2 + HCl =>
CaCl2 + H2C2 = CaC2 + 2 HCl
BaSO4 + NaBr = BaBr2 + Na2SO4 =>
BaSO4 + 2 NaBr = BaBr2 + Na2SO4
Cr(OH)3 + Cl2O7 + OH{-} = CrO4{-2} + ClO2{-} + H2O =>
8 Cr(OH)3 + 3 Cl2O7 + 22 OH{-} = 8 CrO4{-2} + 6 ClO2{-} + 23 H2O
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Br2 + H2O = HBr + HBrO3 =>
3 Br2 + 3 H2O = 5 HBr + HBrO3
Nb + Ti + Ge = Nb05Ti05Ge18 =>
5 Nb + 5 Ti + 18 Ge = Nb05Ti05Ge18
Zn + HNO3 = Zn(NO3)2 + N2 + H2O =>
5 Zn + 12 HNO3 = 5 Zn(NO3)2 + N2 + 6 H2O
H2CrO4 + K(SO4) = K2CrO4 + H(SO4) =>
H2CrO4 + 2 K(SO4) = K2CrO4 + 2 H(SO4)
CH3O = H3O + C =>
CH3O = H3O + C
Al2(SO4)3 + HOH = Al(OH)SO4 + H2SO4 =>
Al2(SO4)3 + 2 HOH = 2 Al(OH)SO4 + H2SO4
HBrO = Br{-} + O2 + H{+} =>
2 HBrO = 2 Br{-} + O2 + 2 H{+}
Sb2S3 + HNO3 = H3SbO4 + H2SO4 + NO2 + H2O =>
Sb2S3 + 28 HNO3 = 2 H3SbO4 + 3 H2SO4 + 28 NO2 + 8 H2O
Ca(oh)2 + CuCl2 = CaCl2 + Cu(oh)2 =>
Ca(oh)2 + 2 CuCl2 = 2 CaCl2 + Cu(oh)2
Mg(NO3)2(aq) + KI(aq) = MgI2(s) + KNO3(aq) =>
Mg(NO3)2(aq) + 2 KI(aq) = MgI2(s) + 2 KNO3(aq)
Cu3(OH)2(CO3)2 + H{+} = Cu{2+} + CO2 + H2O =>
Cu3(OH)2(CO3)2 + 6 H{+} = 3 Cu{2+} + 2 CO2 + 4 H2O
HCNO + HBrO = BrO3{-} + HCN + H{+} =>
2 HCNO + HBrO = BrO3{-} + 2 HCN + H{+}
Zn + NaMnO4 + H2SO4 = ZnSO4 + MnSO4 + Na2SO4 + H2O =>
5 Zn + 2 NaMnO4 + 8 H2SO4 = 5 ZnSO4 + 2 MnSO4 + Na2SO4 + 8 H2O
*4Fe + O2 = *2Fe2O3 =>
*4Fe + 3 O2 = *2Fe2O3
Cu(HCO3)2 + HCl = CO2 + CuCl2 + H2O =>
Cu(HCO3)2 + 2 HCl = 2 CO2 + CuCl2 + 2 H2O
Fe{2}O{3} + CO = Fe + CO{2} =>
Fe{2}O{3} + CO = Fe + CO{2}
[Cr((NH2)2CO)6]4[Cr(CN)6]3 + KMnO4 + H2SO4 = N2 + H2O + K2Cr2O7 + K2SO4 + MnSO4 + CO2 =>
10[Cr((NH2)2CO)6]4[Cr(CN)6]3 + 516 KMnO4 + 739 H2SO4 = 330 N2 + 1219 H2O + 35 K2Cr2O7 + 223 K2SO4 + 516 MnSO4 + 420 CO2
Ca5(PO4)3F + HCl = CaCl2 + H3PO4 + HF =>
Ca5(PO4)3F + 10 HCl = 5 CaCl2 + 3 H3PO4 + HF
KOHC8H5KO4 = KC8H4KO4H2O =>
KOHC8H5KO4 = KC8H4KO4H2O
C2H5C(OH)CH3 + O2 = CO2 + H2O =>
4 C2H5C(OH)CH3 + 23 O2 = 16 CO2 + 18 H2O
Mg + Cu(NO3) = Mg(NO3) + Cu =>
Mg + Cu(NO3) = Mg(NO3) + Cu
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