| Équations équilibrées la veille |
HCl + KOH = KCl + H2O
Fe{3+} + H2O = FeOOH + H3O{+} =>
Fe{3+} + 5 H2O = FeOOH + 3 H3O{+}
NaBF4 + CaCl2 + H2O = HCl + H3BO3 + CaF2 + NaCl =>
NaBF4 + 2 CaCl2 + 3 H2O = 3 HCl + H3BO3 + 2 CaF2 + NaCl
Ca + P = Ca3P2 =>
3 Ca + 2 P = Ca3P2
S + HNO3 = H2SO4 + NO2 + H2O =>
S + 6 HNO3 = H2SO4 + 6 NO2 + 2 H2O
HBrO3 + Ga(OH)3 = Ga(BrO3)3 + H2O =>
3 HBrO3 + Ga(OH)3 = Ga(BrO3)3 + 3 H2O
Na2CrO4(aq) + Al(NO3)3(aq) = Al2(CrO4)3 + NaNO3(aq) =>
3 Na2CrO4(aq) + 2 Al(NO3)3(aq) = Al2(CrO4)3 + 6 NaNO3(aq)
HCI + AI = AICI + H2 =>
2 HCI + 2 AI = 2 AICI + H2
Zn(NO3)2 + LiCl = Li(NO3)2 + ZnCl =>
Zn(NO3)2 + LiCl = Li(NO3)2 + ZnCl
KCr(SO4)2 + NaOH = Cr(OH)3 + KNaSO4 + Na2SO4 =>
KCr(SO4)2 + 3 NaOH = Cr(OH)3 + KNaSO4 + Na2SO4
Al + NaOH + H2O = H2 + NaAlO2 =>
2 Al + 2 NaOH + 2 H2O = 3 H2 + 2 NaAlO2
Fe(C2O4)*2H2O + K2C2O4*H2O + H2O2 + H2C2O4*2H2O = K3[Fe(C2O4)3]*3H2O + H2O =>
2 Fe(C2O4)*2H2O + 3 K2C2O4*H2O + H2O2 + H2C2O4*2H2O = 2 K3[Fe(C2O4)3]*3H2O + 5 H2O
NaOH + H = Na + H2O =>
NaOH + H = Na + H2O
ZnSO4*7H2O + BaI2*2H2O = ZnI2 + BaSO4*2H2O + H2O(l) =>
ZnSO4*7H2O + BaI2*2H2O = ZnI2 + BaSO4*2H2O + 7 H2O(l)
(NH2)2CO + C2H5NO2 + HClO4 = (NH2)2COC2H5NO2*2HClO4 =>
(NH2)2CO + C2H5NO2 + 2 HClO4 = (NH2)2COC2H5NO2*2HClO4
CH3CH2CH2COOH + NaHCO3 = NaCH2CH2CH3 + H2O + CO2 =>
CH3CH2CH2COOH + NaHCO3 = NaCH2CH2CH3 + H2O + 2 CO2
Ag2(s) + Au2O3(aq) = Au2 + Ag2O3(aq) =>
Ag2(s) + Au2O3(aq) = Au2 + Ag2O3(aq)
Na + FeCl2 = Fe + NaCl =>
2 Na + FeCl2 = Fe + 2 NaCl
Al2O3 + Pb(OH)2 = Al2PbO4 + H2O =>
Al2O3 + Pb(OH)2 = Al2PbO4 + H2O
Na + H2 = NaH =>
2 Na + H2 = 2 NaH
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
MgCO3*4H2O = MgO + CO2 + H2O =>
MgCO3*4H2O = MgO + CO2 + 4 H2O
K2CO3 + CaCe2 = CaCO3 + KCe =>
K2CO3 + CaCe2 = CaCO3 + 2 KCe
BrCH2CH2CH2BrZn = CH2CCH2ZnBr2H2 =>
BrCH2CH2CH2BrZn = CH2CCH2ZnBr2H2
HF + Ca(NO3)2 = CaF2 + HNO3 =>
2 HF + Ca(NO3)2 = CaF2 + 2 HNO3
CH4 + Br2 = C3Br + HBr =>
6 CH4 + 13 Br2 = 2 C3Br + 24 HBr
TlOHSO4 + H2SO4 = Tl2(SO4)3 + H2O =>
2 TlOHSO4 + H2SO4 = Tl2(SO4)3 + 2 H2O
CdSO4 + Na2S = NaSO4 + Cd2S =>
2 CdSO4 + Na2S = 2 NaSO4 + Cd2S
SnO2 + C = Sn + CO =>
SnO2 + 2 C = Sn + 2 CO
C10H22 + O2 = CO2 + H2O =>
2 C10H22 + 31 O2 = 20 CO2 + 22 H2O
P2O3 + KOH = K2HPO3 + H2O =>
P2O3 + 4 KOH = 2 K2HPO3 + H2O
BaCl + NaCO3 = BaCO3 + NaCl =>
BaCl + NaCO3 = BaCO3 + NaCl
P4S10 + NaOH = Na3PO4 + Na2S + H2O =>
P4S10 + 32 NaOH = 4 Na3PO4 + 10 Na2S + 16 H2O
KC4H5O6 = CH3COOH + CH3COOK + H2O + CO2 =>
4 KC4H5O6 = CH3COOH + 4 CH3COOK + 2 H2O + 6 CO2
CH3CHNH2COOH + NaNO2 + HCl = CH3CHOHCOOH + N2 + NaCl + H2O =>
CH3CHNH2COOH + NaNO2 + HCl = CH3CHOHCOOH + N2 + NaCl + H2O
Cn + H2SO4 = Cn2SO4 + H2 =>
2 Cn + H2SO4 = Cn2SO4 + H2
AuCl3 + K3PO4 = KCl + AuPO4 =>
AuCl3 + K3PO4 = 3 KCl + AuPO4
Pb + O2 = PbO =>
2 Pb + O2 = 2 PbO
K2MnO4 + H2SO4 = H2O + K2SO4 + MnSO4 + O2 =>
K2MnO4 + 2 H2SO4 = 2 H2O + K2SO4 + MnSO4 + O2
Fe(OH)2 = FeO + H2O =>
Fe(OH)2 = FeO + H2O
AgNH3 + KI = AgI + K + NH3 =>
AgNH3 + KI = AgI + K + NH3
Bi(NO3)3 + NaOH + Cl2 = NaBiO3 + NaCl + H2O + NaNO3 =>
Bi(NO3)3 + 6 NaOH + Cl2 = NaBiO3 + 2 NaCl + 3 H2O + 3 NaNO3
Bi + Br2 = BiBr3 =>
2 Bi + 3 Br2 = 2 BiBr3
C2H4O(g) + O2 = C2H4O2(g) =>
2 C2H4O(g) + O2 = 2 C2H4O2(g)
Ca(OH)2 + CrCl2 = Ca(Cl2)2 + Cr(OH) =>
Ca(OH)2 + 2 CrCl2 = Ca(Cl2)2 + 2 Cr(OH)
Dy + Sb = Dy5Sb95 =>
5 Dy + 95 Sb = Dy5Sb95
ZnCO3 + NaOH + H2O = Zn(OH)2 + NaHCO3 =>
ZnCO3 + NaOH + H2O = Zn(OH)2 + NaHCO3
CH3COOH + CH3CH2OH = CH3COOCH2CH3 + H2O =>
CH3COOH + CH3CH2OH = CH3COOCH2CH3 + H2O
Hg + O = HgO =>
Hg + O = HgO
MnO4 + NaI + H2SO4 = Na2SO4 + MnSO4 + I2 + H2O =>
MnO4 + 6 NaI + 4 H2SO4 = 3 Na2SO4 + MnSO4 + 3 I2 + 4 H2O
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