| Équations équilibrées la veille |
3 Ca(NO3)2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaNO3
Sn(s) + HClO4(aq) = H2(g) + Sn(ClO4)2(aq) =>
Sn(s) + 2 HClO4(aq) = H2(g) + Sn(ClO4)2(aq)
K(s) + Cr2(s) + O2(g) = K2Cr2O7(s) =>
4 K(s) + 2 Cr2(s) + 7 O2(g) = 2 K2Cr2O7(s)
CoCl3 + Ba(OH)2 = Co(OH)3 + BaCl2 =>
2 CoCl3 + 3 Ba(OH)2 = 2 Co(OH)3 + 3 BaCl2
Fe(s) + Cl(g) = FeCl2 =>
Fe(s) + 2 Cl(g) = FeCl2
Ba2 + (CO3)2 = BaCO3 =>
Ba2 + (CO3)2 = 2 BaCO3
HNO3 + Ba(OH)2 = Ba(NO3)2 + H2O =>
2 HNO3 + Ba(OH)2 = Ba(NO3)2 + 2 H2O
Na2S2O3 + KIO3 = K2S2O3 + NaIO3 =>
Na2S2O3 + 2 KIO3 = K2S2O3 + 2 NaIO3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Bi(OH)3 + K2SnO2 = Bi + K2SnO3 + H2O =>
2 Bi(OH)3 + 3 K2SnO2 = 2 Bi + 3 K2SnO3 + 3 H2O
CH3COOH + NaOH = NaCH3COO + H2O =>
CH3COOH + NaOH = NaCH3COO + H2O
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
CH3CH2COOH + NaOH = C2H6 + Na2CO3 + H2O =>
CH3CH2COOH + 2 NaOH = C2H6 + Na2CO3 + H2O
KBr(ac) + AgNO3(ac) + NH4OH(ac) = AgBr(s) + KOH(ac) + NH4NO3(ac) =>
KBr(ac) + AgNO3(ac) + NH4OH(ac) = AgBr(s) + KOH(ac) + NH4NO3(ac)
C2H6 + O2(g) = CO2(g) + H2O(l) =>
2 C2H6 + 7 O2(g) = 4 CO2(g) + 6 H2O(l)
H3[Fe(CN)6] + NaOH = Na3[Fe(CN)6] + H2O =>
H3[Fe(CN)6] + 3 NaOH = Na3[Fe(CN)6] + 3 H2O
AgNO3 + NH3 = Ag(NH3)2{+} + NO3{-} =>
AgNO3 + 2 NH3 = Ag(NH3)2{+} + NO3{-}
Cl2 + H2S + H2O = SO4 + H{+} + Cl{-} =>
5 Cl2 + H2S + 4 H2O = SO4 + 10 H{+} + 10 Cl{-}
Al(OH)3 + H2SO3 = Al2(SO3)3 + H2O =>
2 Al(OH)3 + 3 H2SO3 = Al2(SO3)3 + 6 H2O
BaOHSO2 = BaHSO3 =>
BaOHSO2 = BaHSO3
C2H2 + HI = C2H3I =>
C2H2 + HI = C2H3I
KMnO4(s) = KMnO2O2 =>
KMnO4(s) = KMnO2O2
HCCH + [Cu(NH3)2]Cl = CuCCCu + NH4Cl + NH3 =>
HCCH + 2[Cu(NH3)2]Cl = CuCCCu + 2 NH4Cl + 2 NH3
C6H12O + Cr2O7{2-} + H{+} = C6H10O + Cr{3+} + H2O =>
3 C6H12O + Cr2O7{2-} + 8 H{+} = 3 C6H10O + 2 Cr{3+} + 7 H2O
MoS2 + H2O2 = Mo + H2O + SO2 =>
MoS2 + 4 H2O2 = Mo + 4 H2O + 2 SO2
(NH4)2CrO4 + Pb(NO3)2 = (NH4)(NO3) + PbCrO4 =>
(NH4)2CrO4 + Pb(NO3)2 = 2(NH4)(NO3) + PbCrO4
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Na2CO3 + H3PO4 = Na3PO4 + H2O + CO2 =>
3 Na2CO3 + 2 H3PO4 = 2 Na3PO4 + 3 H2O + 3 CO2
I2 + KOH = KIO3 + KI + H2O =>
3 I2 + 6 KOH = KIO3 + 5 KI + 3 H2O
FeOOH + Fe2O3 = Fe3O4 + H2O2 =>
2 FeOOH + 2 Fe2O3 = 2 Fe3O4 + H2O2
Mg(s) + Cr(NO3)3(aq) = Mg(NO3)2(aq) + Cr(s) =>
3 Mg(s) + 2 Cr(NO3)3(aq) = 3 Mg(NO3)2(aq) + 2 Cr(s)
[Ag(NH3)2] + HCHO + OH = Ag + H2O + HCN =>
[Ag(NH3)2] + 2 HCHO + 4 OH = Ag + 6 H2O + 2 HCN
H2C2O4 = CO2 + H{+} + {-} =>
H2C2O4 = 2 CO2 + 2 H{+} + 2e
Zn3(PO4)2 + Fe2S3 = FePO4 + ZnS =>
Zn3(PO4)2 + Fe2S3 = 2 FePO4 + 3 ZnS
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
CH3CH2Br + Na = CH3CH2CH2CH3 + NaBr =>
2 CH3CH2Br + 2 Na = CH3CH2CH2CH3 + 2 NaBr
NH4Cl(aq) + CuSO4(aq) = CuCl(s) + NH4SO4(aq) =>
NH4Cl(aq) + CuSO4(aq) = CuCl(s) + NH4SO4(aq)
H2C2O4 = CO2 + H{+} + e =>
H2C2O4 = 2 CO2 + 2 H{+} + 2e
Ca(NO3)2 + NH3 = Ca(NH3)2 + NO3 =>
Ca(NO3)2 + 2 NH3 = Ca(NH3)2 + 2 NO3
Al(OH)3 + H2CO3 = Al2(CO3)3 + H2O =>
2 Al(OH)3 + 3 H2CO3 = Al2(CO3)3 + 6 H2O
NO3{-} + Al + H2O = AlO2{-} + H{+} + NH3 =>
3 NO3{-} + 8 Al + 7 H2O = 8 AlO2{-} + 5 H{+} + 3 NH3
H3PO4 + NaBr = HBr + Na3PO4 =>
H3PO4 + 3 NaBr = 3 HBr + Na3PO4
Ba(CH3COO)2 + (NH4)2SO4 = BaSO4 + CH3COONH4 =>
Ba(CH3COO)2 + (NH4)2SO4 = BaSO4 + 2 CH3COONH4
HCl + Al(OH)3 = AlCl3 + H2O =>
3 HCl + Al(OH)3 = AlCl3 + 3 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
C6H4(OH)COOH + HCl = C5H4(OH)COCl + H2O =>
6 C6H4(OH)COOH + 7 HCl = 7 C5H4(OH)COCl + 4 H2O
C3H8O3 + FeCl3 = FeCl2 + C3H6O3 + HCl =>
C3H8O3 + 2 FeCl3 = 2 FeCl2 + C3H6O3 + 2 HCl
F + O2 = F2O =>
4 F + O2 = 2 F2O
Al2Cl4 + K3PO4 = Al3(PO4)4 + K2Cl =>
3 Al2Cl4 + 8 K3PO4 = 2 Al3(PO4)4 + 12 K2Cl
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