| Équations équilibrées la veille |
CoO + SrCO3 + 2 NH4H2PO4 = SrCoP2O7 + 2 NH3 + CO2 + 3 H2O
S8 + ozone = sulfurdioxide =>
3 S8 + 16 O3 = 24 SO2
(CON)3Cl3 + CrCl3 + NaOH = Na2CrO4 + NaCl + (CON)H3 + H2O =>
(CON)3Cl3 + 4 CrCl3 + 23 NaOH = 4 Na2CrO4 + 15 NaCl + 3(CON)H3 + 7 H2O
MgCO3 + HNO3 = Mg(NO3)2 + H2O + CO2 =>
MgCO3 + 2 HNO3 = Mg(NO3)2 + H2O + CO2
Cr2(SO4)3 + (NH4)2SO3 = Cr2(SO3)3 + (NH4)2SO4 =>
Cr2(SO4)3 + 3(NH4)2SO3 = Cr2(SO3)3 + 3(NH4)2SO4
AlCl3(aq) + AgNO3(aq) = AgCl(s) + Al(NO3)3(aq) =>
AlCl3(aq) + 3 AgNO3(aq) = 3 AgCl(s) + Al(NO3)3(aq)
Br{-} + Cr2O7 + H{+} = Br2 + Cr3{+} + H2O =>
40 Br{-} + 3 Cr2O7 + 42 H{+} = 20 Br2 + 2 Cr3{+} + 21 H2O
Hg2Cl2 + HCl = HgCl2 + H =>
Hg2Cl2 + 2 HCl = 2 HgCl2 + 2 H
N + H2O = OH + HN =>
N + H2O = OH + HN
B2S3 + H2O = H2S + H3BO3 =>
B2S3 + 6 H2O = 3 H2S + 2 H3BO3
Si3N4 + F = NF3 + Si =>
Si3N4 + 12 F = 4 NF3 + 3 Si
Cr(OH)3 + NaClO = Na2CrO4 + Cl2 + NaOH + H2O =>
2 Cr(OH)3 + 6 NaClO = 2 Na2CrO4 + 3 Cl2 + 2 NaOH + 2 H2O
Sn{4+} + I{-} = Sn{3+} + I2 =>
2 Sn{4+} + 2 I{-} = 2 Sn{3+} + I2
CuNi + HCl = CuCl + H2 + Ni =>
2 CuNi + 2 HCl = 2 CuCl + H2 + 2 Ni
YI3 = Y + I =>
YI3 = Y + 3 I
(CON)3Cl3 + CrCl3 + NaOH = Na2CrO4 + NaCl + (CON)3H3 + H2O =>
(CON)3Cl3 + 2 CrCl3 + 13 NaOH = 2 Na2CrO4 + 9 NaCl + (CON)3H3 + 5 H2O
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
Na2CO3 + K3PO4 = Na2K3 + CO3PO4 =>
Na2CO3 + K3PO4 = Na2K3 + CO3PO4
C6H6 + H2O = CH4 + CO2 =>
4 C6H6 + 18 H2O = 15 CH4 + 9 CO2
Pb + HNO3 = PbN2O6 + H2O + NO =>
3 Pb + 8 HNO3 = 3 PbN2O6 + 4 H2O + 2 NO
Cu(NO3)2 + NaOH(aq) = NaNO3 + Cu(OH)2 =>
Cu(NO3)2 + 2 NaOH(aq) = 2 NaNO3 + Cu(OH)2
CaS + HNO3 = CaSO4 + NO + H2O =>
3 CaS + 8 HNO3 = 3 CaSO4 + 8 NO + 4 H2O
Na2S + CaI2 = NaI + CaS =>
Na2S + CaI2 = 2 NaI + CaS
H2O + S2O3{-2} + MnO4{-} = SO4{2-} + Mn{2+} + H3O =>
21 H2O + 3 S2O3{-2} + 2 MnO4{-} = 6 SO4{2-} + 2 Mn{2+} + 14 H3O
Sn + FeCl3 = Fe2 + Sn2Cl =>
12 Sn + 2 FeCl3 = Fe2 + 6 Sn2Cl
Mg + H2CO3 = MgCO3 + H =>
Mg + H2CO3 = MgCO3 + 2 H
FeOHCl + NaOH = Fe(OH)2 + NaCl =>
FeOHCl + NaOH = Fe(OH)2 + NaCl
C3H8O3 + O2 = (CO)2 + H2O =>
2 C3H8O3 + 4 O2 = 3(CO)2 + 8 H2O
Na2O + CO2 = Na2CO3 =>
Na2O + CO2 = Na2CO3
CuSO4 + HCl = CuCl2 + H2SO4 =>
CuSO4 + 2 HCl = CuCl2 + H2SO4
MgSO4 + H2O = H2SO4 + Mg(OH)2 =>
MgSO4 + 2 H2O = H2SO4 + Mg(OH)2
NaCl + H2SO4 = Na2SO4 + HCl =>
2 NaCl + H2SO4 = Na2SO4 + 2 HCl
Al2S3 + H2O = Al(OH)3 + H2S =>
Al2S3 + 6 H2O = 2 Al(OH)3 + 3 H2S
NaO2 = Na2O + O2 =>
4 NaO2 = 2 Na2O + 3 O2
CuCl2 + NH3 + H2O = NH4Cl + Cu(OH)2 =>
CuCl2 + 2 NH3 + 2 H2O = 2 NH4Cl + Cu(OH)2
HBr + H2O = Br2O + H2 =>
2 HBr + H2O = Br2O + 2 H2
CO + NH3 + H = H2O + CH3CN =>
2 CO + NH3 + 4 H = 2 H2O + CH3CN
CH3CH2CoCl + H2O = CH3CH2CoOH + HCl =>
CH3CH2CoCl + H2O = CH3CH2CoOH + HCl
BeO + NH4NO3 = Be(NO3)2 + (NH4)2O =>
BeO + 2 NH4NO3 = Be(NO3)2 + (NH4)2O
C17H33COOH + KMnO4 + H2O = C17H33(OH)2COOH + MnO2 + KOH =>
3 C17H33COOH + 2 KMnO4 + 4 H2O = 3 C17H33(OH)2COOH + 2 MnO2 + 2 KOH
Na2SO3 + HNO3 = NaNO3 + H2SO3 =>
Na2SO3 + 2 HNO3 = 2 NaNO3 + H2SO3
Ag2S + KCN = KAg(CN)2 + K2S =>
Ag2S + 4 KCN = 2 KAg(CN)2 + K2S
Cs2SO4 = Cs2SO3 + O2 =>
2 Cs2SO4 = 2 Cs2SO3 + O2
KCO3 + SiO2 = CO2 + KSiO3 =>
KCO3 + SiO2 = CO2 + KSiO3
C9H12 + KMnO4 = C8H4O4K2 + MnO2 + KOH + H2O =>
8 C9H12 + 38 KMnO4 = 9 C8H4O4K2 + 38 MnO2 + 20 KOH + 20 H2O
Cd(HCO3)2 = CdCO3 + H2CO3 =>
Cd(HCO3)2 = CdCO3 + H2CO3
H3PO4 + CaO = Ca3(PO4)2 + H2O =>
2 H3PO4 + 3 CaO = Ca3(PO4)2 + 3 H2O
C10H8 + KClO3 = KCl + CO2 + H2O =>
C10H8 + 8 KClO3 = 8 KCl + 10 CO2 + 4 H2O
NaS + C + CaCO3 = Na2CO3 + CaS + CO2 =>
4 NaS + C + 4 CaCO3 = 2 Na2CO3 + 4 CaS + 3 CO2
(CON)3Cl3 + Cr(OH)3 + NaOH = Na2CrO4 + NaCl + (CON)3H3 + H2O =>
(CON)3Cl3 + 2 Cr(OH)3 + 7 NaOH = 2 Na2CrO4 + 3 NaCl + (CON)3H3 + 5 H2O
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