Équations équilibrées la veille |
CrO3(s) + 3 H2O(l) = Cr(HO)6(s)
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
CrO3 + C = Cr + CO2 =>
2 CrO3 + 3 C = 2 Cr + 3 CO2
C6H5CH2Cl + KI = C6H5CH2I + KCl =>
C6H5CH2Cl + KI = C6H5CH2I + KCl
AgNO3 + MgO = Mg(NO3)2 + Ag2O =>
2 AgNO3 + MgO = Mg(NO3)2 + Ag2O
P4 + HNO3 = H3PO4 + NO2 + H2O =>
P4 + 20 HNO3 = 4 H3PO4 + 20 NO2 + 4 H2O
H2SO4 + Ca(HCO3)2 = CaSO4 + H2O + CO2 =>
H2SO4 + Ca(HCO3)2 = CaSO4 + 2 H2O + 2 CO2
HC2H3O2(g) + NaOH(aq) = NaC2H3O2(aq) + H2O(l) =>
HC2H3O2(g) + NaOH(aq) = NaC2H3O2(aq) + H2O(l)
H{+} + OH{-} = H2OH2(g) + O2(g) = H2O(l)NaCl + AgNO3 = AgCl + NaNO3 =>
4 H{+} + 4 OH{-} = 2 H2OH2(g) + O2(g)
V(OH)4Cl + HCl + FeCl2 = VOCl2 + H2O + FeCl3 =>
V(OH)4Cl + 2 HCl + FeCl2 = VOCl2 + 3 H2O + FeCl3
C4H9Cl + CuO = CO2 + H2O + Cu + HCl =>
C4H9Cl + 12 CuO = 4 CO2 + 4 H2O + 12 Cu + HCl
Fe2O3 + CH4 = Fe3O4 + CO2 + H2O =>
12 Fe2O3 + CH4 = 8 Fe3O4 + CO2 + 2 H2O
Br2 + Cl2 + H2O = HBrO3 + HCl =>
Br2 + 5 Cl2 + 6 H2O = 2 HBrO3 + 10 HCl
KMnO4 + CH3CH2OH + HCl = MnCl2 + CH3CHO + H2O + KCl =>
2 KMnO4 + 5 CH3CH2OH + 6 HCl = 2 MnCl2 + 5 CH3CHO + 8 H2O + 2 KCl
FeCl3 + NaOH = Fe2O3 + HCl + NaCl =>
2 FeCl3 + 3 NaOH = Fe2O3 + 3 HCl + 3 NaCl
Y2(SO4)3 + NaOH = YO(OH) + Na2SO4 + H2O =>
Y2(SO4)3 + 6 NaOH = 2 YO(OH) + 3 Na2SO4 + 2 H2O
Na3PO4 + HC1 = NaC1 + H3PO4 =>
Na3PO4 + 3 HC1 = 3 NaC1 + H3PO4
C6H5COOHHNO3 = NO2C6H4COOHH2O =>
C6H5COOHHNO3 = NO2C6H4COOHH2O
HNO3 + H2S = S + N2O3 + H2O =>
2 HNO3 + 2 H2S = 2 S + N2O3 + 3 H2O
Mn2O7 + Pb(OH)2 = Pb(MnO4)2 + H2O =>
Mn2O7 + Pb(OH)2 = Pb(MnO4)2 + H2O
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
Ba + H2O = Ba(OH)2 + H2 =>
Ba + 2 H2O = Ba(OH)2 + H2
SO4 + KOH = K2SO4 + (OH)2 =>
SO4 + 2 KOH = K2SO4 + (OH)2
Na3N + HCl = NaCl + NH4Cl =>
Na3N + 4 HCl = 3 NaCl + NH4Cl
HN3 + NaN3 = NaH + N3 =>
HN3 + NaN3 = NaH + 2 N3
Pb(NO3)2 + KOH = Pb(OH)2 + KNO3 =>
Pb(NO3)2 + 2 KOH = Pb(OH)2 + 2 KNO3
KNO2 + FeSO4 + H2SO4 = Fe2(SO4)3 + NO + K2SO4 + H2O =>
2 KNO2 + 2 FeSO4 + 2 H2SO4 = Fe2(SO4)3 + 2 NO + K2SO4 + 2 H2O
HClO4 + NaOH = NaClO4 + H2O =>
HClO4 + NaOH = NaClO4 + H2O
Ni(NO3)2 + NaOH = Ni(OH)2 + NaNO3 =>
Ni(NO3)2 + 2 NaOH = Ni(OH)2 + 2 NaNO3
CH3CH2MgBr + CH3CH2OH = CH3CH3 + BrMgOCH2CH3 =>
CH3CH2MgBr + CH3CH2OH = CH3CH3 + BrMgOCH2CH3
CaCl2 + Na2HPO4 + NH4OH = CaNH4PO4 + NaCl + H2O =>
CaCl2 + Na2HPO4 + NH4OH = CaNH4PO4 + 2 NaCl + H2O
Ca3(PO4)2 + H2SO4 = CaSO4 + Ca(H2PO4)2 =>
Ca3(PO4)2 + 2 H2SO4 = 2 CaSO4 + Ca(H2PO4)2
MgO + HBrO4 = Mg(BrO4)2 + H2O =>
MgO + 2 HBrO4 = Mg(BrO4)2 + H2O
CaCO3 + H3PO4 = Ca3(PO4)2 + CO2 + H2O =>
3 CaCO3 + 2 H3PO4 = Ca3(PO4)2 + 3 CO2 + 3 H2O
Na4C + (NH4)2S2O8 + H2O = CO2 + (NH4)2SO4 + Na2SO4 + H2SO4 =>
Na4C + 4(NH4)2S2O8 + 2 H2O = CO2 + 4(NH4)2SO4 + 2 Na2SO4 + 2 H2SO4
AlK(SO4)2 + NaOH = Al(OH)3 + K2SO4 + Na2SO4 =>
2 AlK(SO4)2 + 6 NaOH = 2 Al(OH)3 + K2SO4 + 3 Na2SO4
Al(HCO3)3(s) = Al2O3(s) + CO2(g) + H2O(g) =>
2 Al(HCO3)3(s) = Al2O3(s) + 6 CO2(g) + 3 H2O(g)
MnO4 + Au = Mn + AuO =>
MnO4 + 4 Au = Mn + 4 AuO
Fe2(CO3)3 + Na2SO4 = Fe2(SO4)3 + Na2CO3 =>
Fe2(CO3)3 + 3 Na2SO4 = Fe2(SO4)3 + 3 Na2CO3
H2SO4 + NaHCO3 = Na2SO4 + CO2 + H2O =>
H2SO4 + 2 NaHCO3 = Na2SO4 + 2 CO2 + 2 H2O
P + S = P2S5 =>
2 P + 5 S = P2S5
CH3CH2MgBr + CH3CH2OH = CH3CH3 + BrMgOCH2CH3 =>
CH3CH2MgBr + CH3CH2OH = CH3CH3 + BrMgOCH2CH3
Ca(NO3)2 + BaCO3 = CaCO3 + Ba(NO3)2 =>
Ca(NO3)2 + BaCO3 = CaCO3 + Ba(NO3)2
C100 = C =>
C100 = 100 C
FeBr2 + AgNO3 = AgBr2 + FeNO3 =>
FeBr2 + AgNO3 = AgBr2 + FeNO3
Na2CO3 + Mg(NO3)2 = MgCO3 + NaNO3 =>
Na2CO3 + Mg(NO3)2 = MgCO3 + 2 NaNO3
CH3CH2MgBr + CH3CH2OH = CH3CH3 + BrMgOCH2CH3 =>
CH3CH2MgBr + CH3CH2OH = CH3CH3 + BrMgOCH2CH3
Mn2O3 + HNO3 = MnO2 + Mn(NO3)2 + H2O =>
Mn2O3 + 2 HNO3 = MnO2 + Mn(NO3)2 + H2O
H2S + Pb = H2PbS =>
H2S + Pb = H2PbS
KHCO3 + H2SO4 = K2SO4 + HCO3 + H2 =>
2 KHCO3 + H2SO4 = K2SO4 + 2 HCO3 + H2
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