Équations équilibrées la veille | Équations équilibrées le lendemain |
2 CaCO3 + H2SO4 = Ca(HCO3)2 + CaSO4
Cu(OH)2 + HBr = CuBr2 + HOH =>
Cu(OH)2 + 2 HBr = CuBr2 + 2 HOH
Cu(NO3)2(aq) + NaOH(aq) = Cu(OH)2(s) + NaNO3(aq) =>
Cu(NO3)2(aq) + 2 NaOH(aq) = Cu(OH)2(s) + 2 NaNO3(aq)
C7H10NCl + HNO3 = C7H10N2O3 + HCl =>
C7H10NCl + HNO3 = C7H10N2O3 + HCl
H2CO3(s) = H2O(l) + CO2 =>
H2CO3(s) = H2O(l) + CO2
CH3COOH = H + CH3COO =>
CH3COOH = H + CH3COO
PbO2 + HCe = PbCe2 + Ce2 + H2O =>
PbO2 + 4 HCe = PbCe2 + Ce2 + 2 H2O
C + S8 = CS2 =>
4 C + S8 = 4 CS2
FeCl3 + CH3COONa + H2O = Fe(OH)3 + NaCl + CH3COOH =>
FeCl3 + 3 CH3COONa + 3 H2O = Fe(OH)3 + 3 NaCl + 3 CH3COOH
Al2S3 + O2 = Al2O3 + SO4 =>
2 Al2S3 + 15 O2 = 2 Al2O3 + 6 SO4
Ba + H3PO3 = Ba3(PO3)2 + H3 =>
3 Ba + 2 H3PO3 = Ba3(PO3)2 + 2 H3
C4H10O2 = C4H6 + H2O =>
C4H10O2 = C4H6 + 2 H2O
NaClO3 + H2SO4 + CoSO4 = NaCl + Co2(SO4)3 + H2O =>
NaClO3 + 3 H2SO4 + 6 CoSO4 = NaCl + 3 Co2(SO4)3 + 3 H2O
Mg + I2 = MgI2 =>
Mg + I2 = MgI2
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
(CH4)5 + O2 = CO2 + H2O =>
(CH4)5 + 10 O2 = 5 CO2 + 10 H2O
H2SO4 + Ai2(CO3)3 = Ai2(SO4)3 + H2O + CO2 =>
3 H2SO4 + Ai2(CO3)3 = Ai2(SO4)3 + 3 H2O + 3 CO2
K2CO3 + KI = K2K + CO3I =>
K2CO3 + KI = K2K + CO3I
H2SO4 + NaOH = H2O + SO4(Na)2 =>
H2SO4 + 2 NaOH = 2 H2O + SO4(Na)2
CaCO3 + HCl = CaCl2 + CO2 + H2O =>
CaCO3 + 2 HCl = CaCl2 + CO2 + H2O
FeSO4(aq) + Ba(OH)2(aq) = Fe(OH)2(s) + BaSO4(aq) =>
FeSO4(aq) + Ba(OH)2(aq) = Fe(OH)2(s) + BaSO4(aq)
CrO + HNO3 = Cr + NO3 + H2O =>
CrO + 2 HNO3 = Cr + 2 NO3 + H2O
SrBr2 + H2SO4 = SrSO4 + HBr =>
SrBr2 + H2SO4 = SrSO4 + 2 HBr
MnCl + NaSCN = MnSCN + NaCl =>
MnCl + NaSCN = MnSCN + NaCl
ZnSO4 + NaOH = Zn(OH)2 + Na2SO4 =>
ZnSO4 + 2 NaOH = Zn(OH)2 + Na2SO4
CuCl2 + NH4OH = Cu(OH)2 + NH4Cl =>
CuCl2 + 2 NH4OH = Cu(OH)2 + 2 NH4Cl
I + F = IF7 =>
I + 7 F = IF7
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Ni + K2SO4 = K + NiSO4 =>
Ni + K2SO4 = 2 K + NiSO4
Au + NaCN(aq) + O2 + H2O = Na[Au(CN)2] + NaOH =>
4 Au + 8 NaCN(aq) + O2 + 2 H2O = 4 Na[Au(CN)2] + 4 NaOH
MgSO4 + KF = K2SO4 + MgF2 =>
MgSO4 + 2 KF = K2SO4 + MgF2
H2O + K2CO3 = KOH + H2CO3 =>
2 H2O + K2CO3 = 2 KOH + H2CO3
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
X2O2 = X2O + O2 =>
2 X2O2 = 2 X2O + O2
Mg + I2 = MgI2 =>
Mg + I2 = MgI2
Cu(s) + Cl2(l) = CuCl2(aq) =>
Cu(s) + Cl2(l) = CuCl2(aq)
H2 + I2 = HI =>
H2 + I2 = 2 HI
AsO2{-} + I2 + H2O = I{-} + H2AsO4{-} + H{+} =>
AsO2{-} + I2 + 2 H2O = 2 I{-} + H2AsO4{-} + 2 H{+}
C6H10O3 + NaOCH2CH3 + C7H7Cl = C13H16O3 + NaCl + C2H6O =>
C6H10O3 + NaOCH2CH3 + C7H7Cl = C13H16O3 + NaCl + C2H6O
H2Te + H2O = Te + H3O =>
H2Te + 2 H2O = Te + 2 H3O
C2H5OH1 + CO2 = C6H12O6 =>
2 C2H5OH1 + 2 CO2 = C6H12O6
MnS + O2 = MnO2 + SO2 =>
MnS + 2 O2 = MnO2 + SO2
Ba(NO3)2 + H2SO4 = BaSO4 + HNO3 =>
Ba(NO3)2 + H2SO4 = BaSO4 + 2 HNO3
MnSO4 + H2O = Mn2O2 + H2SO4 =>
2 MnSO4 + 2 H2O = Mn2O2 + 2 H2SO4
K2S2O8 + H2O = K2SO4 + H2SO4 + H2O2 =>
K2S2O8 + 2 H2O = K2SO4 + H2SO4 + H2O2
HClO4 + NaOH = H2O + NaCl + O2 =>
HClO4 + NaOH = H2O + NaCl + 2 O2
K4 + Cl = KCl4 =>
K4 + 16 Cl = 4 KCl4
Fe + Al(MnO4)3 = Fe(MnO4) + Al =>
3 Fe + Al(MnO4)3 = 3 Fe(MnO4) + Al
K + Cl + O = K2Cl2O9 =>
2 K + 2 Cl + 9 O = K2Cl2O9
XCH2O + K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + CO2 + XO + H2O =>
XCH2O + K2Cr2O7 + 4 H2SO4 = K2SO4 + Cr2(SO4)3 + CO2 + XO + 5 H2O
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