| Équations équilibrées la veille |
Sr + C2H3O2 = SrC2H3O2
Mg + CuCl2 = MgCl2 + Cu =>
Mg + CuCl2 = MgCl2 + Cu
Fe + HNO3(concent) = Fe(NO3)3 + NO + H2O =>
Fe + 4 HNO3(concent) = Fe(NO3)3 + NO + 2 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
S + H2SO4 + NaOH = Na2SO3 + H2O =>
S + 2 H2SO4 + 6 NaOH = 3 Na2SO3 + 5 H2O
CaBr2(s) = Ca(s)Br2(i) =>
CaBr2(s) = Ca(s)Br2(i)
Al(s) + HCl(aq) = AlCl3 + H2(g) =>
2 Al(s) + 6 HCl(aq) = 2 AlCl3 + 3 H2(g)
Cu(OH)2NaOH = CuOHNa(OH)2 =>
Cu(OH)2NaOH = CuOHNa(OH)2
H2CrO4 + KOH = K2Cr2O7 + H2O =>
2 H2CrO4 + 2 KOH = K2Cr2O7 + 3 H2O
sulfur + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
PbCl3 + K3[Fe(Cn)6] = Pb[Fe(Cn)6] + KCl =>
PbCl3 + K3[Fe(Cn)6] = Pb[Fe(Cn)6] + 3 KCl
H1458 + O78 = H2O =>
26 H1458 + 243 O78 = 18954 H2O
Cr{+3} + HCl = CrCl3 + H{+} =>
Cr{+3} + 3 HCl = CrCl3 + 3 H{+}
NaC + AgN = NaN + AgC =>
NaC + AgN = NaN + AgC
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
C2H4(OH)2 + O2 = CO2 + H2O =>
2 C2H4(OH)2 + 5 O2 = 4 CO2 + 6 H2O
C5H7N + O2 = H2O + CO2 + NO2 =>
4 C5H7N + 31 O2 = 14 H2O + 20 CO2 + 4 NO2
Au + C = AuC =>
Au + C = AuC
Co2(CO)8 + NO = Co(CO)3NO + CO =>
Co2(CO)8 + 2 NO = 2 Co(CO)3NO + 2 CO
K4Fe(CN)6 + AgNO3 = Ag4Fe(CN)6 + KNO3 =>
K4Fe(CN)6 + 4 AgNO3 = Ag4Fe(CN)6 + 4 KNO3
C6H8O6 + CaCO3 = Ca(C6H7O6)2 + H2O + CO2 =>
2 C6H8O6 + CaCO3 = Ca(C6H7O6)2 + H2O + CO2
Ag2CO3 + NaOH = AgO + Na2CO3 + H2 =>
Ag2CO3 + 2 NaOH = 2 AgO + Na2CO3 + H2
KMnO4 + Na2SO3 = Na2SO4 + KMnO2 =>
KMnO4 + 2 Na2SO3 = 2 Na2SO4 + KMnO2
H2SO4 + HBr = SHO2 + H2O + Br2 =>
2 H2SO4 + 6 HBr = 2 SHO2 + 4 H2O + 3 Br2
C2H5OH + KMnO4 = CH3COH + H2O + KOH + MnO2 =>
3 C2H5OH + 2 KMnO4 = 3 CH3COH + 2 H2O + 2 KOH + 2 MnO2
H3PO4 + Ba(OH)2 = Ba + PO4 + H2O =>
2 H3PO4 + 3 Ba(OH)2 = 3 Ba + 2 PO4 + 6 H2O
Pb + Fe{+2} = Pb{+2} + Fe =>
Pb + Fe{+2} = Pb{+2} + Fe
C2H5CN + HCl + H2O = NH4Cl + C2H5COOH =>
C2H5CN + HCl + 2 H2O = NH4Cl + C2H5COOH
HCIO4 + LiOH = H2O + CIO4Li =>
HCIO4 + LiOH = H2O + CIO4Li
C4H10 + O2 = CH3CH2COOH + H2O =>
6 C4H10 + 11 O2 = 8 CH3CH2COOH + 6 H2O
Zn(s) + NaOH(aq) + H2O(l) = Na2[Zn(OH)4](aq) + H2 =>
Zn(s) + 2 NaOH(aq) + 2 H2O(l) = Na2[Zn(OH)4](aq) + H2
(NH4)3PO4 + Ca(OH)2 = NH4OH + (PO4)2Ca3 =>
2(NH4)3PO4 + 3 Ca(OH)2 = 6 NH4OH + (PO4)2Ca3
H{+} + MnO4{-}{+} = Mn{2+} + H2O + O3 =>
18 H{+} + 6 MnO4{-}{+} = 6 Mn{2+} + 9 H2O + 5 O3
H2SO4 + KMnO4 + CuI2 = I2 + CuSO4 + MnSO4 + K2SO4 + H2O =>
8 H2SO4 + 2 KMnO4 + 5 CuI2 = 5 I2 + 5 CuSO4 + 2 MnSO4 + K2SO4 + 8 H2O
I{-} + S = I2 + S2{2-} =>
2 I{-} + 2 S = I2 + S2{2-}
Cr2O7{-2} + C2H5OH + H{+} = Cr{+3} + CH3CHO + H2O =>
Cr2O7{-2} + 3 C2H5OH + 8 H{+} = 2 Cr{+3} + 3 CH3CHO + 7 H2O
HCl + K2SO3 = H2SO3 + KCl =>
2 HCl + K2SO3 = H2SO3 + 2 KCl
C2H5OC2H5(l) + O2(g) = CO2(g) + H2O(g) =>
C2H5OC2H5(l) + 6 O2(g) = 4 CO2(g) + 5 H2O(g)
Cu(CH3COO)2H2O + N2H4 = CuO + CH3COONH4 + N2 =>
2 Cu(CH3COO)2H2O + 3 N2H4 = 2 CuO + 4 CH3COONH4 + N2
MnSO4 + (NH4)3PO4 = Mn(PO4) + (NH4)3SO4 =>
MnSO4 + (NH4)3PO4 = Mn(PO4) + (NH4)3SO4
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
NiCl2 + H2 + SiHCl3 = Ni2Si + HCl =>
2 NiCl2 + 3 H2 + SiHCl3 = Ni2Si + 7 HCl
NaNO3 + KMnO4 + H2SO4 = MnSO4 + NO3 + K2SO4 + Na2SO4 + H2O =>
10 NaNO3 + 2 KMnO4 + 8 H2SO4 = 2 MnSO4 + 10 NO3 + K2SO4 + 5 Na2SO4 + 8 H2O
Na[Al(OH)4] + H2O2 = Al(OH)3 + NaO + H2O =>
2 Na[Al(OH)4] + H2O2 = 2 Al(OH)3 + 2 NaO + 2 H2O
LiOH + C5H12 = Li4C + H2O + CO2 =>
16 LiOH + C5H12 = 4 Li4C + 14 H2O + CO2
P4 + Cl2 = P2Cl5 =>
P4 + 5 Cl2 = 2 P2Cl5
CH7N11O2 + O2 = CO + H2O + N2 =>
4 CH7N11O2 + 5 O2 = 4 CO + 14 H2O + 22 N2
H2 + Ca2 = H1Ca4 =>
H2 + 4 Ca2 = 2 H1Ca4
HBrO3 + SO2 + H2O = Br + H2SO4 =>
2 HBrO3 + 5 SO2 + 4 H2O = 2 Br + 5 H2SO4
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