| Équations équilibrées la veille |
C6H5CHO + 2 Zn + 4 HCl = C6H5CH3 + H2O + 2 ZnCl2
SiO2 + Cl2 = Si + Cl2O =>
SiO2 + 2 Cl2 = Si + 2 Cl2O
NaAsO2 + Br2 + H2O = NaAsO3 + HBr =>
NaAsO2 + Br2 + H2O = NaAsO3 + 2 HBr
NH4Cl + CuSO4 = NH4SO4 + Cu + Cl =>
NH4Cl + CuSO4 = NH4SO4 + Cu + Cl
C2H65O(g) + O2(g) = CO2(g) + H2O(g) =>
4 C2H65O(g) + 71 O2(g) = 8 CO2(g) + 130 H2O(g)
CH3COONH4 + Cu(OH)2 = (CH3COO)2Cu + NH4OH =>
2 CH3COONH4 + Cu(OH)2 = (CH3COO)2Cu + 2 NH4OH
CuS + O2 = Cu + SO2 =>
CuS + O2 = Cu + SO2
AgNO3 + NaBH4 = Ag + NaBH3 + HNO3 =>
AgNO3 + NaBH4 = Ag + NaBH3 + HNO3
NaSO4 + C = NaSO3 + CO =>
NaSO4 + C = NaSO3 + CO
CUSO4 + NH4OH = CU(NH3)4(OH)2 + (NH4)2SO4 + H2O =>
CUSO4 + 6 NH4OH = CU(NH3)4(OH)2 + (NH4)2SO4 + 4 H2O
RCHO + KMnO4 = RCOOH + KMnO2 =>
2 RCHO + KMnO4 = 2 RCOOH + KMnO2
C15H16O2 + COCl2 + NaOH = (OC6H4C(CH3)2C6H4OCO)50 + H2O + NaCl =>
50 C15H16O2 + 50 COCl2 + 100 NaOH = (OC6H4C(CH3)2C6H4OCO)50 + 100 H2O + 100 NaCl
K3(CNS) + MnO2 + H2SO4 = K2SO4 + MnSO4 + CO2 + NO + H2O =>
2 K3(CNS) + 15 MnO2 + 16 H2SO4 = 3 K2SO4 + 15 MnSO4 + 2 CO2 + 2 NO + 16 H2O
NaOH + Br2 = NaBr + H2O + NaBrO =>
2 NaOH + Br2 = NaBr + H2O + NaBrO
CoCl2 + NaSCN = Co(SCN)2 + NaCl =>
CoCl2 + 2 NaSCN = Co(SCN)2 + 2 NaCl
NaMnO4 + Na2S + HCl = MnCl2 + NaCl + H2O + S =>
2 NaMnO4 + 5 Na2S + 16 HCl = 2 MnCl2 + 12 NaCl + 8 H2O + 5 S
[(NH4)2O*Cr2O3*12MoO3] + Na2S + H2O = MoS3 + Cr(OH)3 + NaOH + NH4OH =>
[(NH4)2O*Cr2O3*12MoO3] + 36 Na2S + 40 H2O = 12 MoS3 + 2 Cr(OH)3 + 72 NaOH + 2 NH4OH
H2TeO4 + Na2S2O5 + NaOH = TeO2 + Na2SO4 + H2O =>
2 H2TeO4 + Na2S2O5 + 2 NaOH = 2 TeO2 + 2 Na2SO4 + 3 H2O
H2SO4 + Fe = Fe(HSO4)3 + H2 =>
6 H2SO4 + 2 Fe = 2 Fe(HSO4)3 + 3 H2
SiO2 + NaCO3 = NaSiO3 + CO2 =>
SiO2 + NaCO3 = NaSiO3 + CO2
Zn + O2 = ZnO =>
2 Zn + O2 = 2 ZnO
FeCl2 + Br2 = FeCl3 + FeBr2 =>
3 FeCl2 + Br2 = 2 FeCl3 + FeBr2
CU{2+} + H2PO2{-} + OH{-} = CUH2 + PO4{3-} + H2O =>
CU{2+} + H2PO2{-} + 4 OH{-} = CUH2 + PO4{3-} + 2 H2O
TiCl4 + H2O = TiO2 + HCl =>
TiCl4 + 2 H2O = TiO2 + 4 HCl
BaCl2 + K2SO4 = KCl + BaSO4 =>
BaCl2 + K2SO4 = 2 KCl + BaSO4
Mn(aq) + OH(aq) = Mn(OH)2(s) =>
Mn(aq) + 2 OH(aq) = Mn(OH)2(s)
Sn(OH)2 + HNO3 = Sn2(NO3)4 + H2O =>
2 Sn(OH)2 + 4 HNO3 = Sn2(NO3)4 + 4 H2O
NaHCO3 + H2O = Na + H2CO3 + OH = CO2 + H2O + NaOH =>
NaHCO3 + H2O = Na + H2CO3 + OH
Ag(NO3) + Na2(S2O3) = Ag2(S2O3) + Na(NO3) =>
2 Ag(NO3) + Na2(S2O3) = Ag2(S2O3) + 2 Na(NO3)
Al(s) + KOH(aw) + H2O(l) = K(Al(OH)4)(aw) + H2(g) =>
2 Al(s) + 2 KOH(aw) + 6 H2O(l) = 2 K(Al(OH)4)(aw) + 3 H2(g)
Cu(OH)2 + ZnCl2 = Zn(OH)2 + CuCl2 =>
Cu(OH)2 + ZnCl2 = Zn(OH)2 + CuCl2
Ge + KOH + O2 = K2GeO3 + H2O =>
Ge + 2 KOH + O2 = K2GeO3 + H2O
CH2(OH)CH(OH)CH2(OH) + HNO3 = CH2(ONO2)CH(ONO2)CH2(ONO2) + H2O =>
CH2(OH)CH(OH)CH2(OH) + 3 HNO3 = CH2(ONO2)CH(ONO2)CH2(ONO2) + 3 H2O
Sr(NO3)2 + Br2(SO4)3 = Br2(NO3)2 + Sr(SO4)3 =>
Sr(NO3)2 + Br2(SO4)3 = Br2(NO3)2 + Sr(SO4)3
NaOH + FeBr3 = Fe(OH) + NaBr3 =>
NaOH + FeBr3 = Fe(OH) + NaBr3
C2H4O2 + Cu = C2H4O2Cu =>
C2H4O2 + Cu = C2H4O2Cu
NaI + Ca(SO4) = Na(SO4) + CaI =>
NaI + Ca(SO4) = Na(SO4) + CaI
PCl5 + KOH = K2HPO4 + H2O + KCl =>
PCl5 + 7 KOH = K2HPO4 + 3 H2O + 5 KCl
Mg + NiN = Mg3N2 + Ni =>
3 Mg + 2 NiN = Mg3N2 + 2 Ni
NaI3 + Na2S2O3 = NaI + NaS2O3 =>
NaI3 + 2 Na2S2O3 = 3 NaI + 2 NaS2O3
K3Fe(CN)6 + HCl = HCN + KCl + FeCl3 =>
K3Fe(CN)6 + 6 HCl = 6 HCN + 3 KCl + FeCl3
Fe + C = Fe2C =>
2 Fe + C = Fe2C
K2Cr2O7 + HI = CrI3 + I2 + K[II2] + H2O =>
K2Cr2O7 + 14 HI = 2 CrI3 + I2 + 2 K[II2] + 7 H2O
TiCl3 + K3PO4 = TiPO4 + KCl =>
TiCl3 + K3PO4 = TiPO4 + 3 KCl
Ag2O + Cl2 + H2O = AgCl + HClO =>
Ag2O + 2 Cl2 + H2O = 2 AgCl + 2 HClO
Cu2O + NH4OH = Cu(NH3)2(OH) + H2O =>
Cu2O + 4 NH4OH = 2 Cu(NH3)2(OH) + 3 H2O
S + H2SO4 = H2SO3 + SO2 =>
S + 2 H2SO4 = 2 H2SO3 + SO2
K2CO3 + Mg(NO3)2 = KNO3 + MgCO3 =>
K2CO3 + Mg(NO3)2 = 2 KNO3 + MgCO3
HSeO4 + H2O = H3O + SeO4 =>
HSeO4 + H2O = H3O + SeO4
AgF + KCl = KF + AgCl =>
AgF + KCl = KF + AgCl
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