Équations équilibrées la veille |
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
P4S3 + Cl2 = PCl5 + S =>
P4S3 + 10 Cl2 = 4 PCl5 + 3 S
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Sr(OH)2(s) + NH4Cl(s) = SrCl2(aq) + NH3(g) + H2O(l) =>
Sr(OH)2(s) + 2 NH4Cl(s) = SrCl2(aq) + 2 NH3(g) + 2 H2O(l)
KOH + HBr = HOHKBr =>
KOH + HBr = HOHKBr
C23H5NO + O2 = CO2 + NO2 + H2O =>
4 C23H5NO + 99 O2 = 92 CO2 + 4 NO2 + 10 H2O
ZnSO4 + NaOH = Na2SO4 + Zn(OH)2 =>
ZnSO4 + 2 NaOH = Na2SO4 + Zn(OH)2
PbO2 + Na2SO4 = Pb[SO4]2 + Na2O =>
PbO2 + 2 Na2SO4 = Pb[SO4]2 + 2 Na2O
C5H4(g) + O2(g) = CO2(g) + H2O(g) =>
C5H4(g) + 6 O2(g) = 5 CO2(g) + 2 H2O(g)
La2O3 + H2O = La(OH)3 =>
La2O3 + 3 H2O = 2 La(OH)3
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
Br2 + CaI2 = CaBr2 + I2 =>
Br2 + CaI2 = CaBr2 + I2
Fe2O3 + HCl = FeCl3 + H2O =>
Fe2O3 + 6 HCl = 2 FeCl3 + 3 H2O
CH3COOH + NH3 = CH3COONH4 =>
CH3COOH + NH3 = CH3COONH4
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
(NH4)2SO4 + NaOH = NH3 + H2O + Na2SO4 =>
(NH4)2SO4 + 2 NaOH = 2 NH3 + 2 H2O + Na2SO4
Sn(s) + HNO3(aq) = SnO2(s) + H2O(g) + NO2(g) =>
Sn(s) + 4 HNO3(aq) = SnO2(s) + 2 H2O(g) + 4 NO2(g)
C7O3H2 + COH = C7O3H + H2O =>
2 C7O3H2 + 7 COH = 3 C7O3H + 4 H2O
Na2S2O3 + HOCl = Na2SO4 + S + HCl =>
Na2S2O3 + HOCl = Na2SO4 + S + HCl
Na2O + CO2 + H2O = NaHCO3 =>
Na2O + 2 CO2 + H2O = 2 NaHCO3
CaO + N2 = Ca3N3 + O2 =>
6 CaO + 3 N2 = 2 Ca3N3 + 3 O2
Pb3O4 + H2 = Pb + H2O =>
Pb3O4 + 4 H2 = 3 Pb + 4 H2O
Zn + KI = ZnI2 + K =>
Zn + 2 KI = ZnI2 + 2 K
[Cu(NH3)2]Cl + HCl = NH4CuCl2 + NH4Cl =>
[Cu(NH3)2]Cl + 2 HCl = NH4CuCl2 + NH4Cl
Na2S2O3 + I = NaS4O6 + NaI =>
2 Na2S2O3 + 3 I = NaS4O6 + 3 NaI
NH4Br + NaOH = HOH + NH3 + NaBr =>
NH4Br + NaOH = HOH + NH3 + NaBr
NaHSO3 + NaClO = NaHSO4 + NaCl =>
NaHSO3 + NaClO = NaHSO4 + NaCl
CoO + H2SO4 = CoSO4 + H2O =>
CoO + H2SO4 = CoSO4 + H2O
Al(NO3)3 + HCl = AlCl3 + H3(NO3)3 =>
Al(NO3)3 + 3 HCl = AlCl3 + H3(NO3)3
Mg3(PO4) = Mg + PO4 =>
Mg3(PO4) = 3 Mg + PO4
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
H2 + O2 + SO3 = H2SO4 =>
2 H2 + O2 + 2 SO3 = 2 H2SO4
C3H3 + H2O = CO2 + H2 =>
2 C3H3 + 12 H2O = 6 CO2 + 15 H2
NaNO3 + S + CaCO3 = NaNO2 + CaSO4 + CO2 =>
3 NaNO3 + S + CaCO3 = 3 NaNO2 + CaSO4 + CO2
H2SO4 + ZnS = H2S + ZnSO4 =>
H2SO4 + ZnS = H2S + ZnSO4
C + S = SC =>
C + S = SC
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
AgOH + NaHSO4 = H2O + AgNaSO4 =>
AgOH + NaHSO4 = H2O + AgNaSO4
Al2O3 + Cl2 + C = AlCl3 + CO =>
Al2O3 + 3 Cl2 + 3 C = 2 AlCl3 + 3 CO
MnSO4 + Na2S2O3 = MnS + NaSO4 =>
5 MnSO4 + 4 Na2S2O3 = 5 MnS + 8 NaSO4
MnO2 + HO2 = MnO4 + H2O =>
3 MnO2 + 4 HO2 = 3 MnO4 + 2 H2O
NH4Br + NaOH = HOH + NH3 + NaBr =>
NH4Br + NaOH = HOH + NH3 + NaBr
H2O2 + SO2(g) = H2SO4 =>
H2O2 + SO2(g) = H2SO4
Ca(OH)2 + Al2(SO4)3 = Al(OH)3 + CaSO4 =>
3 Ca(OH)2 + Al2(SO4)3 = 2 Al(OH)3 + 3 CaSO4
NaOH + CO2 = Na2CO3 + H2O =>
2 NaOH + CO2 = Na2CO3 + H2O
K + PbO2 = Pb + K2O =>
4 K + PbO2 = Pb + 2 K2O
Al(s) + AgNO3(aw) = Al(NO3)3(aq) + Ag(s) =>
Al(s) + 3 AgNO3(aw) = Al(NO3)3(aq) + 3 Ag(s)
Li3PO4 + NaBr = Na3PO4 + LiBr =>
Li3PO4 + 3 NaBr = Na3PO4 + 3 LiBr
ZnSO4 + K4[Fe(CN)6] = K6Zn[Fe(CN)6]2 + K2SO4 =>
ZnSO4 + 2 K4[Fe(CN)6] = K6Zn[Fe(CN)6]2 + K2SO4
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