| Équations équilibrées la veille |
2 W2O5 = 4 W + 5 O2
Na2Te + HNO3 = H2O + NO + NaNO3 + Te =>
3 Na2Te + 8 HNO3 = 4 H2O + 2 NO + 6 NaNO3 + 3 Te
Al + (H2SO4) = Al2(SO4)3 + H2 =>
2 Al + 3(H2SO4) = Al2(SO4)3 + 3 H2
NaOH + H3BO3 = Na2B4O7 + H2O =>
2 NaOH + 4 H3BO3 = Na2B4O7 + 7 H2O
NO2{-} + KMnO4 + H2SO4 = MnSO4 + NO3{-} + K2SO4 + H2O =>
5 NO2{-} + 2 KMnO4 + 3 H2SO4 = 2 MnSO4 + 5 NO3{-} + K2SO4 + 3 H2O
ZnSO3 + Na2SO4 = Na2SO3 + ZnSO4 =>
ZnSO3 + Na2SO4 = Na2SO3 + ZnSO4
Br2 + Na2SO3 = BrNa + SO2 + O2 =>
2 Br2 + 2 Na2SO3 = 4 BrNa + 2 SO2 + O2
Ba(NO3)2 + K2SiO3 = BaSiO3 + KNO3 =>
Ba(NO3)2 + K2SiO3 = BaSiO3 + 2 KNO3
K2Co3(aq) + HCl(aq) = K2Cl + HCo3 =>
K2Co3(aq) + HCl(aq) = K2Cl + HCo3
BaCl2 + NaOH = Ba(OH)2 + NaCl =>
BaCl2 + 2 NaOH = Ba(OH)2 + 2 NaCl
PbS + O2 = PbSO4 =>
PbS + 2 O2 = PbSO4
GeO2 + KI + HCl = GeCl3 + KCl + I2 + H2O =>
2 GeO2 + 2 KI + 8 HCl = 2 GeCl3 + 2 KCl + I2 + 4 H2O
(CH2)3(OH)2 + O2 = CO2 + H2O =>
(CH2)3(OH)2 + 4 O2 = 3 CO2 + 4 H2O
Br + BeO = Be + BrO =>
Br + BeO = Be + BrO
(CH3CO)2O + HNO3 = CH3COOH + CH3COONO2 =>
(CH3CO)2O + HNO3 = CH3COOH + CH3COONO2
SrCl2 + (NH4)2C2O4 = SrC2O4 + (NH4)Cl =>
SrCl2 + (NH4)2C2O4 = SrC2O4 + 2(NH4)Cl
soufre + ozone = ledioxydedesoufre =>
3 S + 2 O3 = 3 SO2
O2 + SbS3 = SO2 + Sb2O4 =>
8 O2 + 2 SbS3 = 6 SO2 + Sb2O4
AgNO3 + BaCl2 = AgCl + Ba(NO3)2 =>
2 AgNO3 + BaCl2 = 2 AgCl + Ba(NO3)2
HBrO + LiOH = LiBrO + H2O =>
HBrO + LiOH = LiBrO + H2O
AgNO3 + KClO3 = Ag(ClO3) + KNO3 =>
AgNO3 + KClO3 = Ag(ClO3) + KNO3
Al + NaOH + H2O = NaAl(OH)2 + H =>
Al + NaOH + H2O = NaAl(OH)2 + H
NaC2H3O2 + HCl = NaCl + HC2H3O2 =>
NaC2H3O2 + HCl = NaCl + HC2H3O2
Mg + Cl2 = MgCl2(s) =>
Mg + Cl2 = MgCl2(s)
BaO + H2O = Ba(OH)2 =>
BaO + H2O = Ba(OH)2
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
RbNdTa2O7 + H2CO3 = Rb2CO3 + H2O + Nd2O3 + Ta2O5 =>
2 RbNdTa2O7 + H2CO3 = Rb2CO3 + H2O + Nd2O3 + 2 Ta2O5
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
Cr2O7{2-} + C + H{+} = Cr{3+} + CO2 + H2O =>
2 Cr2O7{2-} + 3 C + 16 H{+} = 4 Cr{3+} + 3 CO2 + 8 H2O
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
Cu(O3)2 = CuO2 + O2 =>
Cu(O3)2 = CuO2 + 2 O2
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
H2SO4 + Al = Al2(SO4)3 + H2 =>
3 H2SO4 + 2 Al = Al2(SO4)3 + 3 H2
C6H12O + HNO3 = C4H8O4 + N2O + H2O =>
4 C6H12O + 10 HNO3 = 6 C4H8O4 + 5 N2O + 5 H2O
copper + silvernitrate = copper(ii)nitrate + silver =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
NaOCl + I2 + NaOH = NaCl + NaIO3 + H2O =>
5 NaOCl + I2 + 2 NaOH = 5 NaCl + 2 NaIO3 + H2O
P + O2 = P2O65 =>
4 P + 65 O2 = 2 P2O65
HNO2 + H2HCONH2 = N + H2O + CO2 =>
7 HNO2 + 3 H2HCONH2 = 10 N + 11 H2O + 3 CO2
HI(aq) + Sr(OH)2(aq) = SrI2(aq) + H2O(l) =>
2 HI(aq) + Sr(OH)2(aq) = SrI2(aq) + 2 H2O(l)
Fe(s) + I2 = FeI2 =>
Fe(s) + I2 = FeI2
MnO2 + HCl + KI = MnCl2 + I2 + H2O + KCl =>
MnO2 + 4 HCl + 2 KI = MnCl2 + I2 + 2 H2O + 2 KCl
NaCl + Pb(ClO3)2 = NaClO3 + PbCl2 =>
2 NaCl + Pb(ClO3)2 = 2 NaClO3 + PbCl2
H2(PHO3) + AgNO3 + H2O = H3PO4 + Ag + HNO3 =>
H2(PHO3) + 2 AgNO3 + H2O = H3PO4 + 2 Ag + 2 HNO3
NaCl(ac) + AgNO3(l) = AgCl + NaNO3(ac) =>
NaCl(ac) + AgNO3(l) = AgCl + NaNO3(ac)
C6H6 + O2 = CO2 + *H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6*H2O
H2S + FeCl3 = H2Cl3 + FeS =>
H2S + FeCl3 = H2Cl3 + FeS
Mg(OH)2 + HC = MgC2 + H2O =>
Mg(OH)2 + 2 HC = MgC2 + 2 H2O
Pb(NO3)2 + HBr = PbBr2 + HNO3 =>
Pb(NO3)2 + 2 HBr = PbBr2 + 2 HNO3
Al(s) + NiCl2(ac) = AlNiCl2 =>
Al(s) + NiCl2(ac) = AlNiCl2
CuO + Pb = Cu + PbO2 =>
2 CuO + Pb = 2 Cu + PbO2
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