| Équations équilibrées la veille |
(NH4)2CO3(aq) + 2 NaOH = Na2CO3 + 2 NH3 + 2 H2O
BaSO4 + H = Ba + H2SO4 =>
BaSO4 + 2 H = Ba + H2SO4
CH4 + Br2 = CH2Br3 + HBr =>
2 CH4 + 5 Br2 = 2 CH2Br3 + 4 HBr
CH3CO2Na + AgNO3 = AgCH3CO2 + NaNO3 =>
CH3CO2Na + AgNO3 = AgCH3CO2 + NaNO3
CuCl2 + MgSO4 = CuSO4 + MgCl2 =>
CuCl2 + MgSO4 = CuSO4 + MgCl2
Ag4O3 = Ag + O2 =>
2 Ag4O3 = 8 Ag + 3 O2
NaHSO4 + Ba(HCO3)2 = Na2SO4 + BaSO4 + CO2 + H2O =>
2 NaHSO4 + Ba(HCO3)2 = Na2SO4 + BaSO4 + 2 CO2 + 2 H2O
PCl3 + Cl2 = PCl5 =>
PCl3 + Cl2 = PCl5
Al + Cr2O3 = Al2O3 + Cr =>
2 Al + Cr2O3 = Al2O3 + 2 Cr
Fe2(SO4)3 + KOH = K2SO4 + Fe(OH)3 =>
Fe2(SO4)3 + 6 KOH = 3 K2SO4 + 2 Fe(OH)3
Al(NO3)3 + K2(CrO4) = Al2(CrO4)3 + KNO3 =>
2 Al(NO3)3 + 3 K2(CrO4) = Al2(CrO4)3 + 6 KNO3
Cu2FeS2 + HNO3 = Cu(NO3)2 + Fe(NO3)3 + H2SO4 + NO + H2O =>
3 Cu2FeS2 + 40 HNO3 = 6 Cu(NO3)2 + 3 Fe(NO3)3 + 6 H2SO4 + 19 NO + 14 H2O
SiF4(s) + NaOH(aq) = Na4SiO4(s) + NaF(aq) + H2O(l) =>
SiF4(s) + 8 NaOH(aq) = Na4SiO4(s) + 4 NaF(aq) + 4 H2O(l)
K2CrO4 + KBr + H2SO4 = CrO2Br2 + K2SO4 + H2O =>
K2CrO4 + 2 KBr + 2 H2SO4 = CrO2Br2 + 2 K2SO4 + 2 H2O
Sb + H3PO4 = P2O3 + SbO + H2O =>
2 Sb + 2 H3PO4 = P2O3 + 2 SbO + 3 H2O
S + SO4{-2} + OH{-} = SO3{-2} + H2O =>
S + 2 SO4{-2} + 2 OH{-} = 3 SO3{-2} + H2O
Pb(NO3)2 + NaHO = Pb(OH)2 + NaNO3 =>
Pb(NO3)2 + 2 NaHO = Pb(OH)2 + 2 NaNO3
P + Iz + Z + A = PIz2Z20A4 =>
P + 2 Iz + 20 Z + 4 A = PIz2Z20A4
Ca + H2ClO4 = Ca(ClO4)2 + H2 =>
Ca + 2 H2ClO4 = Ca(ClO4)2 + 2 H2
KMnO4 + Ca(OH)2 + KBr = KCaMnO4 + KBrO3 + H2O =>
3 KMnO4 + 3 Ca(OH)2 + KBr = 3 KCaMnO4 + KBrO3 + 3 H2O
HO2(aq) = H2O(l) + O2(g) =>
4 HO2(aq) = 2 H2O(l) + 3 O2(g)
H2S + H2SO4 = H2O + S =>
3 H2S + H2SO4 = 4 H2O + 4 S
KCNS + KNO2 + HCl = KCN + NO + KCl + H2O + K2SO4 =>
KCNS + 6 KNO2 + 4 HCl = KCN + 6 NO + 4 KCl + 2 H2O + K2SO4
NaHCO3 + CH3COOH = CH3COONa + H2CO3 =>
NaHCO3 + CH3COOH = CH3COONa + H2CO3
HNO3 + SnI4 = NO + Sn{4+} + IO3{-} + H2O =>
8 HNO3 + SnI4 = 8 NO + Sn{4+} + 4 IO3{-} + 4 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Cu(No3)2 + FeCl3 = CuCl3 + Fe(No3)2 =>
Cu(No3)2 + FeCl3 = CuCl3 + Fe(No3)2
C10H11O2(s) + O2(g) = CO2(g) + H2O(g) =>
4 C10H11O2(s) + 47 O2(g) = 40 CO2(g) + 22 H2O(g)
KMnO4 + NaClO2 + H2O = MnO2 + NaClO4 + KOH =>
4 KMnO4 + 3 NaClO2 + 2 H2O = 4 MnO2 + 3 NaClO4 + 4 KOH
S + H2O4 = H2SO4 =>
S + H2O4 = H2SO4
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Na2SO4(aq) + CaCl2 = CaSO4(s) + NaCl(aq) =>
Na2SO4(aq) + CaCl2 = CaSO4(s) + 2 NaCl(aq)
Ge(OH)3 + H2SO4 = Ge2(SO4)3 + H2O =>
2 Ge(OH)3 + 3 H2SO4 = Ge2(SO4)3 + 6 H2O
CH4(g) + Cl2(g) = CHCl3(l) + HCl(g) =>
CH4(g) + 3 Cl2(g) = CHCl3(l) + 3 HCl(g)
Al(s) + ZnCl(aq) = Zn(s) + AlCl3(aq) =>
Al(s) + 3 ZnCl(aq) = 3 Zn(s) + AlCl3(aq)
NaB + Cl = NaCl + B =>
NaB + Cl = NaCl + B
Ba(OH)2 + NH4ClO3 = Ba(ClO3)2 + NH3 + H2O =>
Ba(OH)2 + 2 NH4ClO3 = Ba(ClO3)2 + 2 NH3 + 2 H2O
Zn + AlI3 = Al + ZnI3 =>
Zn + AlI3 = Al + ZnI3
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
CH4 + Cl{-}Cl = CCl4 + H{-}H =>
CH4 + 4 Cl{-}Cl = CCl4 + 4 H{-}H
V(NO3)5 + H2SO4 = HNO3 + V2(SO4)5 =>
2 V(NO3)5 + 5 H2SO4 = 10 HNO3 + V2(SO4)5
CaSO3 + HCH3COO = Ca(CH3COO)2 + H2SO3 =>
CaSO3 + 2 HCH3COO = Ca(CH3COO)2 + H2SO3
Cr2O7{2-} + Np{4+} + H{+} = NpO2{2+} + Cr{3+} + H2O =>
Cr2O7{2-} + 3 Np{4+} + 2 H{+} = 3 NpO2{2+} + 2 Cr{3+} + H2O
C18H36O2 + C12H22O11 = C30H56O12 + H2O =>
C18H36O2 + C12H22O11 = C30H56O12 + H2O
SrCO3 + Na2SO4 = SrSO4 + Na2CO3 =>
SrCO3 + Na2SO4 = SrSO4 + Na2CO3
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
C6H8O(l) + O2(g) = CO2(g) + H2O(l) =>
2 C6H8O(l) + 15 O2(g) = 12 CO2(g) + 8 H2O(l)
HNO3 + Al(OH)3 = Al(NO3)3 + H2O =>
3 HNO3 + Al(OH)3 = Al(NO3)3 + 3 H2O
Zn2(CO3)2 = ZnO + CO2 =>
Zn2(CO3)2 = 2 ZnO + 2 CO2
Cr + NaHCO3 = CrHCO3 + Na =>
Cr + NaHCO3 = CrHCO3 + Na
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Équations équilibrées sur10/27/24
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