| Équations équilibrées la veille |
Cs2CrO4 + 2 C = 2 CO2 + Cr + 2 Cs
HCl + NaCl + H2CrO4 = CrCl3 + NaOH + Cl2 =>
4 HCl + 8 NaCl + 2 H2CrO4 = 2 CrCl3 + 8 NaOH + 3 Cl2
P4 + Br2 + H2O = H3PO3 + HBr =>
P4 + 6 Br2 + 12 H2O = 4 H3PO3 + 12 HBr
C6H5CH3 + O2 = H2O + CO2 =>
C6H5CH3 + 9 O2 = 4 H2O + 7 CO2
Cr + Mn + Fe + Co + Ni = CrMnFeCoNi =>
Cr + Mn + Fe + Co + Ni = CrMnFeCoNi
H2O2 = H2 + O2 =>
H2O2 = H2 + O2
CaO + LiCl = Li2O + CaCl2 =>
CaO + 2 LiCl = Li2O + CaCl2
MgOH + H2SO4 = MgHSO4 + H2O =>
MgOH + H2SO4 = MgHSO4 + H2O
C12H22O11(s)(sucrose) + O2 = CO2 + H2O =>
C12H22O11(s)(sucrose) + 12 O2 = 12 CO2 + 11 H2O
C3H7OH + OH = CO2 + H2O =>
C3H7OH + 18 OH = 3 CO2 + 13 H2O
KOH + H2SO4 = H2O + K2SO4 =>
2 KOH + H2SO4 = 2 H2O + K2SO4
AgNO3 + HI = AgHI + NO3 =>
AgNO3 + HI = AgHI + NO3
C2H5OH + KMnO4 + KOH = C2H3OOH + K2MnO4 + H2O =>
C2H5OH + 4 KMnO4 + 4 KOH = C2H3OOH + 4 K2MnO4 + 3 H2O
Pb(NO3)4 + AuCl3 = Au(NO3)3 + PbCl4 =>
3 Pb(NO3)4 + 4 AuCl3 = 4 Au(NO3)3 + 3 PbCl4
Tl + Cl2 = TlCl3 =>
2 Tl + 3 Cl2 = 2 TlCl3
CoCO3 + NH4Cl + NH3 + H2O2 = [Co(NH3)5Cl]Cl2 + CO2 + H2O =>
2 CoCO3 + 6 NH4Cl + 4 NH3 + H2O2 = 2[Co(NH3)5Cl]Cl2 + 2 CO2 + 4 H2O
HClO4 + H2SO3 = HCl + H2SO4 =>
HClO4 + 4 H2SO3 = HCl + 4 H2SO4
CrO4 + SO3 + OH = Cr(OH)3 + SO4 =>
CrO4 + 4 SO3 + 3 OH = Cr(OH)3 + 4 SO4
CH4 + Br2 = CH3Br + HBr =>
CH4 + Br2 = CH3Br + HBr
Al + LiOH = Al(OH)3 + Li =>
Al + 3 LiOH = Al(OH)3 + 3 Li
C2H3NO4 + Co(AcAc)3 = Co(AcAcNO2)3 + C2H3O2 =>
3 C2H3NO4 + Co(AcAc)3 = Co(AcAcNO2)3 + 3 C2H3O2
C6H12 + KMnO4 + H2SO4 = C2H5CHO + K2SO4 + MnSO4 + H2O =>
5 C6H12 + 4 KMnO4 + 6 H2SO4 = 10 C2H5CHO + 2 K2SO4 + 4 MnSO4 + 6 H2O
(NH4)2SO4 + CaCl2 = NH4Cl + SO4Ca =>
(NH4)2SO4 + CaCl2 = 2 NH4Cl + SO4Ca
HClO4(aq) + CaCO3(aq) = H2O(l) + CO2(g) + Ca(ClO4)2(aq) =>
2 HClO4(aq) + CaCO3(aq) = H2O(l) + CO2(g) + Ca(ClO4)2(aq)
KMnO4 + SnCl2 + H2SO4 = Cl2 + MnSO4 + Sn(SO4)2 + K2SO4 + H2O =>
4 KMnO4 + 5 SnCl2 + 16 H2SO4 = 5 Cl2 + 4 MnSO4 + 5 Sn(SO4)2 + 2 K2SO4 + 16 H2O
Zn + Cu(NO3)4 = Cu + Zn(NO3)2 =>
2 Zn + Cu(NO3)4 = Cu + 2 Zn(NO3)2
CHO + O2 = CO2 + H2O =>
4 CHO + 3 O2 = 4 CO2 + 2 H2O
Ba2 + O2 = Ba2O2 =>
Ba2 + O2 = Ba2O2
Ba(OH)2 + NH4SCN = Ba(SCN)2 + H2O + NH3 =>
Ba(OH)2 + 2 NH4SCN = Ba(SCN)2 + 2 H2O + 2 NH3
MnO4{-} + Br{-} + [H]{+} = Br2 + Mn{2+} + H2O =>
2 MnO4{-} + 10 Br{-} + 16[H]{+} = 5 Br2 + 2 Mn{2+} + 8 H2O
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
CH3COOH + CaCO3 = (CH3COO)2Ca + CO2 + H2O =>
2 CH3COOH + CaCO3 = (CH3COO)2Ca + CO2 + H2O
MgOH + H2SO4 = MgHSO4 + H2O =>
MgOH + H2SO4 = MgHSO4 + H2O
C6H10O5 + O2 = CO2 + H2O =>
C6H10O5 + 6 O2 = 6 CO2 + 5 H2O
NH4HCO3(s) = NH3(g) + CO2(g) + H2O(l) =>
NH4HCO3(s) = NH3(g) + CO2(g) + H2O(l)
MnO4{-1)+As2O3+H2O = Mn2O3+AsO4{3-}+H3O{+} =>
2 MnO4{-1)+2As2O3+15H2O = Mn2O3+4AsO4{3-}+10H3O{+}
MnCl + NaC = MnC + NaCl =>
MnCl + NaC = MnC + NaCl
NaC2 + H2O = NaOH2C2 =>
NaC2 + H2O = NaOH2C2
K + H2SO4 = K2SO4 + H2S + H2O =>
8 K + 5 H2SO4 = 4 K2SO4 + H2S + 4 H2O
HN3 + Cu = Cu3N2 + H2 =>
2 HN3 + 9 Cu = 3 Cu3N2 + H2
SI(OH)4 + HF = H2SIF6 + H2O =>
SI(OH)4 + 6 HF = H2SIF6 + 4 H2O
(COOH)2 + NaOH = COONa + H2O =>
(COOH)2 + 2 NaOH = 2 COONa + 2 H2O
NiC2O4*2H2O = NiCO3 + H2O + CO =>
NiC2O4*2H2O = NiCO3 + 2 H2O + CO
Si + H2 = H2Si =>
Si + H2 = H2Si
C6N5CH2CHNH2COOH + O2 = CO2 + H2O + NO2 =>
2 C6N5CH2CHNH2COOH + 31 O2 = 18 CO2 + 6 H2O + 12 NO2
Rb + HNO3 = RbNO3 + NO + H2O =>
3 Rb + 4 HNO3 = 3 RbNO3 + NO + 2 H2O
K2Cr2O7 + H2SO4 + KBr = K2SO4 + Br2 + Cr2(SO4)3 + H2O =>
K2Cr2O7 + 7 H2SO4 + 6 KBr = 4 K2SO4 + 3 Br2 + Cr2(SO4)3 + 7 H2O
Rb + H2CO3 = Rb2CO3 + H2 =>
2 Rb + H2CO3 = Rb2CO3 + H2
SnSO4 + H2O = H2SO4 + Sn + SnO2 =>
2 SnSO4 + 2 H2O = 2 H2SO4 + Sn + SnO2
HCl + NaCl + H2CrO4 = CrCl3 + NaOH + Cl2 =>
4 HCl + 8 NaCl + 2 H2CrO4 = 2 CrCl3 + 8 NaOH + 3 Cl2
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