| Équations équilibrées la veille |
Sr(NO3) + Na(SO4) = Sr(SO4) + Na(NO3)
MnO2 + HBr = MnBr2 + Br2 + H2O =>
MnO2 + 4 HBr = MnBr2 + Br2 + 2 H2O
Cu3N2 = Cu + N =>
Cu3N2 = 3 Cu + 2 N
Ba(OH)2 + KHT = Ba(HT)2 + KOH =>
Ba(OH)2 + 2 KHT = Ba(HT)2 + 2 KOH
S2O3{2-} = SO3{2-} + S =>
S2O3{2-} = SO3{2-} + S
VOCl3 + S + H2O = VOCl2 + SOCl2 + HCl =>
4 VOCl3 + S + H2O = 4 VOCl2 + SOCl2 + 2 HCl
Sb + HNO3 = NO + SbO + H2O =>
3 Sb + 2 HNO3 = 2 NO + 3 SbO + H2O
HBr(aq) + Ca(OH)2(aq) = H2O(s) + CaBr2 =>
2 HBr(aq) + Ca(OH)2(aq) = 2 H2O(s) + CaBr2
H2O + N2O + CH4 = NH3 + CO =>
H2O + 3 N2O + 4 CH4 = 6 NH3 + 4 CO
CuCo3 + CaCl2 = CuCl2 + CaCo3 =>
CuCo3 + CaCl2 = CuCl2 + CaCo3
Cd + HBr = CdBr + H2 =>
2 Cd + 2 HBr = 2 CdBr + H2
As2O3 + H2O = HAsO2 =>
As2O3 + H2O = 2 HAsO2
C + H + O2 = CH3OH =>
2 C + 8 H + O2 = 2 CH3OH
ZnCO3 + NH3 + H2O = [Zn(NH3)4](OH)2 + (NH4)2CO3 =>
ZnCO3 + 6 NH3 + 2 H2O = [Zn(NH3)4](OH)2 + (NH4)2CO3
Fe + SCN = FeSCN =>
Fe + SCN = FeSCN
AlI + Ni = Al + Ni2I =>
AlI + 2 Ni = Al + Ni2I
NH3 + KOH = NH2 + H2O + K =>
NH3 + KOH = NH2 + H2O + K
HNO2 + NH4OH = NH4NO3 + H2O =>
4 HNO2 + 2 NH4OH = 3 NH4NO3 + H2O
BaSO4 + K2S = K2SO4 + BaS =>
BaSO4 + K2S = K2SO4 + BaS
HOCH2{-}(CHOH)4{-}CHO + Na = NaOC{-}(CHONa)4{-}CHO + H2 =>
2 HOCH2{-}(CHOH)4{-}CHO + 2 Na = 2 NaOC{-}(CHONa)4{-}CHO + 3 H2
KMnO4 + KNO2 + Na2CO3 = Na2KMnO4 + KNO3 + CO2 =>
KMnO4 + KNO2 + Na2CO3 = Na2KMnO4 + KNO3 + CO2
CH4 + FeSi = FeSiC + H2 =>
CH4 + FeSi = FeSiC + 2 H2
XC17H35COOH + XKOH = XC17H35COOK + XH2O =>
XC17H35COOH + XKOH = XC17H35COOK + XH2O
Na + H(OH) = H2 + NaOH =>
2 Na + 2 H(OH) = H2 + 2 NaOH
Cl2 + FeSO4 + NH4SCN = Fe(SCN)3 + NH4Cl + (NH4)2SO4 =>
Cl2 + 2 FeSO4 + 6 NH4SCN = 2 Fe(SCN)3 + 2 NH4Cl + 2(NH4)2SO4
NaBr + K2CrO4 + H2SO4 = Br2 + Na2SO4 + K2SO4 + Cr2(SO4)3 + H2O =>
6 NaBr + 2 K2CrO4 + 8 H2SO4 = 3 Br2 + 3 Na2SO4 + 2 K2SO4 + Cr2(SO4)3 + 8 H2O
NICO3 + CH3COOH = NI(CH3COOH)2 + H2O + CO2 =>
4 NICO3 + 9 CH3COOH = 4 NI(CH3COOH)2 + 2 H2O + 6 CO2
CH3C(CH2)4CH3 + O2 = CO2 + H2O =>
2 CH3C(CH2)4CH3 + 21 O2 = 14 CO2 + 14 H2O
CaCl2*5H2O + H2SO4 = CaSO4 + HCl + H2O =>
CaCl2*5H2O + H2SO4 = CaSO4 + 2 HCl + 5 H2O
K3PO4 + BaCl2 = KCl + Ba3 + (PO4)2 =>
2 K3PO4 + 3 BaCl2 = 6 KCl + Ba3 + (PO4)2
C3H7COOH + CUO = (C3H7COO)2CU + H2O =>
2 C3H7COOH + CUO = (C3H7COO)2CU + H2O
Nitrogen + oxygen = N2O3 =>
2 N2 + 3 O2 = 2 N2O3
H3SO4 + Al = Al2(SO4)3 + H =>
3 H3SO4 + 2 Al = Al2(SO4)3 + 9 H
Sc + Co(ClO3)2 = Co + Sc2(ClO3)3 =>
4 Sc + 3 Co(ClO3)2 = 3 Co + 2 Sc2(ClO3)3
ZnCO3 + NH3 = Zn(NH3)4 + CO3 =>
ZnCO3 + 4 NH3 = Zn(NH3)4 + CO3
C6H10O5(s) = C(s) + H2O(g) =>
C6H10O5(s) = 6 C(s) + 5 H2O(g)
NaI + K(NO3) = Na(NO3) + KI =>
NaI + K(NO3) = Na(NO3) + KI
PbCl2 + NH3 + H2O = Pb(OH)2 + NH4Cl =>
PbCl2 + 2 NH3 + 2 H2O = Pb(OH)2 + 2 NH4Cl
Ca(COO)2 + H2SO4 = CaSO4 + (COOH)2 =>
Ca(COO)2 + H2SO4 = CaSO4 + (COOH)2
AsO2{-} + I3{-} + H2O = I{-} + AsO4{3-} + H{+} =>
AsO2{-} + I3{-} + 2 H2O = 3 I{-} + AsO4{3-} + 4 H{+}
CH3CH2OH + H2O = CO2 + H2 =>
CH3CH2OH + 3 H2O = 2 CO2 + 6 H2
Al2O3 + ZnCl2 = AlCl3 + ZnO =>
Al2O3 + 3 ZnCl2 = 2 AlCl3 + 3 ZnO
Na2SiO3*H2O + HCl = NaCl + H2O + H2SiO3 =>
Na2SiO3*H2O + 2 HCl = 2 NaCl + H2O + H2SiO3
Al + HCl2 = AlCl2 + H2 =>
2 Al + 2 HCl2 = 2 AlCl2 + H2
CF2Cl + Na2C2O4 = NaF + NaCl + C + CO2 =>
2 CF2Cl + 3 Na2C2O4 = 4 NaF + 2 NaCl + 2 C + 6 CO2
SnSO4 = SnSO3 + O2 =>
2 SnSO4 = 2 SnSO3 + O2
CH3COO{-} + CrO4{-2} + H{+} = Cr(OH)3 + CO2 + H2O =>
3 CH3COO{-} + 8 CrO4{-2} + 19 H{+} = 8 Cr(OH)3 + 6 CO2 + 2 H2O
C5H8 + KMnO4 + H2SO4 = C3H4O4 + K2SO4 + MnSO4 + H2O =>
15 C5H8 + 44 KMnO4 + 66 H2SO4 = 25 C3H4O4 + 22 K2SO4 + 44 MnSO4 + 76 H2O
Ca3(PO4)2 + Sn(NO3)4 = Ca(NO3)2 + Sn3(PO4)4 =>
2 Ca3(PO4)2 + 3 Sn(NO3)4 = 6 Ca(NO3)2 + Sn3(PO4)4
Na(CO3)2 + C2H3O2 = NaC2H3O2 + CO2 + H2O =>
7 Na(CO3)2 + 11 C2H3O2 = 7 NaC2H3O2 + 22 CO2 + 6 H2O
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