| Équations équilibrées la veille |
2 MnO2 + 3 KBrO + 2 KOH = 2 KMnO4 + 3 KBr + H2O
Ba(OH)2 + Ca(NO3)2 = Ba(NO3)2 + (OH)2Ca =>
Ba(OH)2 + Ca(NO3)2 = Ba(NO3)2 + (OH)2Ca
C8H8O3 + H2O = C7H6O3 + CH3OH =>
C8H8O3 + H2O = C7H6O3 + CH3OH
Cu2Te + Cs2Te + Ta + Te = Cu2CsTaTe4 =>
2 Cu2Te + Cs2Te + 2 Ta + 5 Te = 2 Cu2CsTaTe4
Ba(NO3)2 + Li2SO4 = BaSO4 + NO3Li =>
Ba(NO3)2 + Li2SO4 = BaSO4 + 2 NO3Li
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
ZnO + H3PO4 = Zn3(PO4)2 + H2O =>
3 ZnO + 2 H3PO4 = Zn3(PO4)2 + 3 H2O
H{+} + BrO3{-} + Cl{-} = Br2 + ClO4{-} + H2O =>
8 H{+} + 8 BrO3{-} + 5 Cl{-} = 4 Br2 + 5 ClO4{-} + 4 H2O
CH3OH + KMnO4 + H2SO4 = HCHO + MnSO4 + K2SO4 + H2O =>
5 CH3OH + 2 KMnO4 + 3 H2SO4 = 5 HCHO + 2 MnSO4 + K2SO4 + 8 H2O
CH3OCH3 + O = CO2 + H2O =>
CH3OCH3 + 6 O = 2 CO2 + 3 H2O
K(s) + H2O(l) = KOH(aq) + H2(s) =>
2 K(s) + 2 H2O(l) = 2 KOH(aq) + H2(s)
MnO4{-}(aq) + CH3OH(aq) + H{+}(aq) = Mn{2}(aq) + HCO2H(aq) + H2O(l) =>
4 MnO4{-}(aq) + 5 CH3OH(aq) + 12 H{+}(aq) = 4 Mn{2}(aq) + 5 HCO2H(aq) + 11 H2O(l)
AgBr + HBr = AgH + Br =>
AgBr + HBr = AgH + 2 Br
HCOOH + KMnO4 + H2SO4 = K2SO4 + MnSO4 + H2O + CO2 =>
5 HCOOH + 2 KMnO4 + 3 H2SO4 = K2SO4 + 2 MnSO4 + 8 H2O + 5 CO2
NH4OH + H2O2 + HgO = HgNOH + H2O =>
NH4OH + H2O2 + HgO = HgNOH + 3 H2O
C4H10O + H2CrO4 + H2SO4 = C3H6O + Cr2(SO4)3 + H2O =>
9 C4H10O + 8 H2CrO4 + 12 H2SO4 = 12 C3H6O + 4 Cr2(SO4)3 + 29 H2O
EuCl3*6H2O + H2C2O4*2H2O = Eu2(C2O4)3 + HCl + H2O =>
2 EuCl3*6H2O + 3 H2C2O4*2H2O = Eu2(C2O4)3 + 6 HCl + 18 H2O
C6H12O6 + NaOH = C5H7O2Na + H2O + O2 =>
5 C6H12O6 + 6 NaOH = 6 C5H7O2Na + 12 H2O + 6 O2
NH3 + FeCl2 + H2O = Fe(OH)3 + NH4 + Cl2 =>
3 NH3 + FeCl2 + 3 H2O = Fe(OH)3 + 3 NH4 + Cl2
H2Co3 = H{+} + HCo3{-} =>
H2Co3 = H{+} + HCo3{-}
CH4 + FeSiO3 = SiO2 + Fe + CO + H2 =>
CH4 + FeSiO3 = SiO2 + Fe + CO + 2 H2
Cr(IO3)2 = Cr + IO3 =>
Cr(IO3)2 = Cr + 2 IO3
[Zn(NH3)4]{2+} + S{2-} = Zn2S2 + (NH3) =>
2[Zn(NH3)4]{2+} + 2 S{2-} = Zn2S2 + 8(NH3)
VO(OH)2 + HCl = VCl3 + Cl2 + H2O =>
2 VO(OH)2 + 8 HCl = 2 VCl3 + Cl2 + 6 H2O
HNO3 + Pt(OH) = Pt(NO3) + H2O =>
HNO3 + Pt(OH) = Pt(NO3) + H2O
Cu(CIO2)2 + ZnO = CuO + Zn(CIO2)2 =>
Cu(CIO2)2 + ZnO = CuO + Zn(CIO2)2
NaClO + Na2SO3 = Na2SO4 + NaCl =>
NaClO + Na2SO3 = Na2SO4 + NaCl
KI(aq) + MgSO4(aq) = MgI2(aq) + K2SO4(aq) =>
2 KI(aq) + MgSO4(aq) = MgI2(aq) + K2SO4(aq)
KOH + Cr(NO3)2 = KNO3 + Cr(OH)2 =>
2 KOH + Cr(NO3)2 = 2 KNO3 + Cr(OH)2
CdCl2 + Na2S = Cd2S2 + NaCl =>
2 CdCl2 + 2 Na2S = Cd2S2 + 4 NaCl
Yb2O3 + MnO2 + CaCO3 = YbCaMnO3 + CO2 + O2 =>
2 Yb2O3 + 4 MnO2 + 4 CaCO3 = 4 YbCaMnO3 + 4 CO2 + 3 O2
Hg2{2+} + I{-} = Hg + I2 =>
Hg2{2+} + 2 I{-} = 2 Hg + I2
KMnO4 + NaNO2 + NaOH = Na2MnO4 + HNO3 + KOH =>
2 KMnO4 + NaNO2 + 3 NaOH = 2 Na2MnO4 + HNO3 + 2 KOH
SiO2 + H2 = Si + H2O =>
SiO2 + 2 H2 = Si + 2 H2O
KHCO3 = K2CO3 + H2O + CO2 =>
2 KHCO3 = K2CO3 + H2O + CO2
KHCO3 = K2CO3 + H2 + CO3 =>
2 KHCO3 = K2CO3 + H2 + CO3
K2CO3 + HCN = KCN + H2O + CO2 =>
K2CO3 + 2 HCN = 2 KCN + H2O + CO2
P4O10 + H2O = H2OH3PO4 =>
P4O10 + 10 H2O = 4 H2OH3PO4
CaSO3 + O2 + H2O = CaSO4H2O =>
2 CaSO3 + O2 + 2 H2O = 2 CaSO4H2O
Sn + HgN = N + HgSn =>
Sn + HgN = N + HgSn
CrO3 + NH4OH = (NH4)2Cr2O7 + H2O =>
2 CrO3 + 2 NH4OH = (NH4)2Cr2O7 + H2O
H2(MnO4) + Au(OH)3 = Au2(MnO4)3 + H2O =>
3 H2(MnO4) + 2 Au(OH)3 = Au2(MnO4)3 + 6 H2O
HCl + HNO2 + SnCl2 = SnCl4 + NO + H2O =>
2 HCl + 2 HNO2 + SnCl2 = SnCl4 + 2 NO + 2 H2O
CuO + C14H12Br2 = CuBr2 + C14H12O =>
CuO + C14H12Br2 = CuBr2 + C14H12O
Cr(OH)3 + KClO3 + NaOH = Na2Cr2O7 + KCl + H2O =>
2 Cr(OH)3 + KClO3 + 2 NaOH = Na2Cr2O7 + KCl + 4 H2O
Cr2 + H3PO4 = CrPO4 + H2 =>
Cr2 + 2 H3PO4 = 2 CrPO4 + 3 H2
C4H11N + NaNO2 + HCl = C4H10O + N2 + NaCl + H2O =>
C4H11N + NaNO2 + HCl = C4H10O + N2 + NaCl + H2O
HNO2 + NH4OH = NH4(OH)NO2 + H2O =>
7 HNO2 + 5 NH4OH = 6 NH4(OH)NO2 + H2O
AgI + Fe2(Co3)3 = Ag2Co3 + FeI3 =>
6 AgI + Fe2(Co3)3 = 3 Ag2Co3 + 2 FeI3
C4H10 + O2 = C4 + H10O2 =>
C4H10 + O2 = C4 + H10O2
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