| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 KCN + 7 MnO2 + 16 HCl = 2 KCl + 7 MnCl2 + 2 CO2 + 2 NO + 8 H2O
RbCl + Pb(NO3)2 = Rb(NO3) + PbCl2 =>
2 RbCl + Pb(NO3)2 = 2 Rb(NO3) + PbCl2
Al + Ca(OH)2 + H2O = Ca3[Al(OH)6]2 + H2 =>
2 Al + 3 Ca(OH)2 + 6 H2O = Ca3[Al(OH)6]2 + 3 H2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
MgCl2 + K2HPO4 = MgHPO4 + K2Cl2 =>
MgCl2 + K2HPO4 = MgHPO4 + K2Cl2
KNO2 + H2O = KNO3 + H2 =>
KNO2 + H2O = KNO3 + H2
K2S + H2O = KOH + KSH =>
K2S + H2O = KOH + KSH
Fe(OH)2 + Na2S = FeS + NaOH =>
Fe(OH)2 + Na2S = FeS + 2 NaOH
KI + H2O = KOH + I2 + H2 =>
2 KI + 2 H2O = 2 KOH + I2 + H2
Cr + NaOH = Cr(OH)2 + Na =>
Cr + 2 NaOH = Cr(OH)2 + 2 Na
Zn(OH)2 + NH4OH = Zn(NH3)4 + OH + H2O =>
Zn(OH)2 + 4 NH4OH = Zn(NH3)4 + 2 OH + 4 H2O
C(s) + H2(g) + O2(g) = C2H5OH(l) =>
4 C(s) + 6 H2(g) + O2(g) = 2 C2H5OH(l)
CO2 + H2O + N2 = C5H5N + O2 =>
20 CO2 + 10 H2O + 2 N2 = 4 C5H5N + 25 O2
CH3CSNH2 + NaOH = Na2S + CH3CN + H2O =>
CH3CSNH2 + 2 NaOH = Na2S + CH3CN + 2 H2O
MoO3 + MnO = MnMoO4 =>
MoO3 + MnO = MnMoO4
Hg2O = Hg + O2 =>
2 Hg2O = 4 Hg + O2
NaOH + Fe4[Fe(CN)6]3 = Na4[Fe(CN)6] + Fe(OH)3 =>
12 NaOH + Fe4[Fe(CN)6]3 = 3 Na4[Fe(CN)6] + 4 Fe(OH)3
HI + Ag = AgI + H =>
HI + Ag = AgI + H
Fe(OH)3 + KOH = K3(Fe(OH)6) =>
Fe(OH)3 + 3 KOH = K3(Fe(OH)6)
HCl + (NH4)2CrO4 = H2CrO4 + NH4Cl =>
2 HCl + (NH4)2CrO4 = H2CrO4 + 2 NH4Cl
K(s) + H2O(aq) = KOH(aq) + H2(s) =>
2 K(s) + 2 H2O(aq) = 2 KOH(aq) + H2(s)
PI3(s) + H2O(l) = H3PO3(s) + HI(g) =>
PI3(s) + 3 H2O(l) = H3PO3(s) + 3 HI(g)
CH3Cl + Na = CH3 + NaCl =>
CH3Cl + Na = CH3 + NaCl
MgSO3 + HNO3 = Mg(NO3)2 + H2O + SO2 =>
MgSO3 + 2 HNO3 = Mg(NO3)2 + H2O + SO2
K2HPO4 + Ca(OH)2 = KOH + Ca3(PO4)2 + H2O =>
2 K2HPO4 + 3 Ca(OH)2 = 4 KOH + Ca3(PO4)2 + 2 H2O
NaH + HNO3 = NaNO3 + H2 =>
NaH + HNO3 = NaNO3 + H2
CH4(g) + H2S(g) = CS2(g) + H2(g) =>
CH4(g) + 2 H2S(g) = CS2(g) + 4 H2(g)
P2 = P =>
P2 = 2 P
C2H5(l) + O2(g) = CO2(g) + H2O(g) =>
4 C2H5(l) + 13 O2(g) = 8 CO2(g) + 10 H2O(g)
Cu2S + SO2 = CuS + O2 =>
Cu2S + SO2 = 2 CuS + O2
KHSO3 + H2SO4 = K2SO4 + H2SO3 =>
2 KHSO3 + H2SO4 = K2SO4 + 2 H2SO3
SbCl3 + HCl = SbH3 + Cl2 =>
SbCl3 + 3 HCl = SbH3 + 3 Cl2
Ag2CO3(s) = Ag2O(s) + CO2(g) =>
Ag2CO3(s) = Ag2O(s) + CO2(g)
Na2Co3(s) + HCl(aq) = NaCl(aq) + H2Co3(s) =>
Na2Co3(s) + 2 HCl(aq) = 2 NaCl(aq) + H2Co3(s)
CaY2 + Cl2 = CaCl2 + Y =>
CaY2 + Cl2 = CaCl2 + 2 Y
C + H = C3H8 =>
3 C + 8 H = C3H8
Cl2 + MnI3 = Cl2I3 + Mn =>
Cl2 + MnI3 = Cl2I3 + Mn
KCeO3 = KCeO4 + KCe =>
4 KCeO3 = 3 KCeO4 + KCe
CU[NO3]2 = CUO + NO2 + O2 =>
2 CU[NO3]2 = 2 CUO + 4 NO2 + O2
Fe + H2SO4 = FeSO4 + H2 =>
Fe + H2SO4 = FeSO4 + H2
C2H6O + Cr2O7{-} + H{+} = C2H4O + H2O + Cr{+} =>
11 C2H6O + 2 Cr2O7{-} + 6 H{+} = 11 C2H4O + 14 H2O + 4 Cr{+}
CH3COOH + Al = CH3COOAl + H2 =>
2 CH3COOH + 2 Al = 2 CH3COOAl + H2
CrO4{2-} + S2O3{2-} + H2O = Cr{3+} + SO4{2-} + OH{-} =>
8 CrO4{2-} + 3 S2O3{2-} + 17 H2O = 8 Cr{3+} + 6 SO4{2-} + 34 OH{-}
SiO2 + K2CO3 = K2SiO3 + CO2 =>
SiO2 + K2CO3 = K2SiO3 + CO2
CH3CH2NH2 + HCl = CH3CH2Cl + NH3 =>
CH3CH2NH2 + HCl = CH3CH2Cl + NH3
AgI + Br = AgBr + I2 =>
2 AgI + 2 Br = 2 AgBr + I2
Al(OH)3 + KOH = KAlO2 + H2O =>
Al(OH)3 + KOH = KAlO2 + 2 H2O
C3H7OH + NaNO2 + HCl = C3H7ONO + NaCl + H2O =>
C3H7OH + NaNO2 + HCl = C3H7ONO + NaCl + H2O
IO3{-} + HSO3{-} + H2O = I2 + SO4{2-} + H3O{+} =>
2 IO3{-} + 5 HSO3{-} + 2 H2O = I2 + 5 SO4{2-} + 3 H3O{+}
NaNO3(aq) + KI(aq) = NaI(s) + KNO3(aq) =>
NaNO3(aq) + KI(aq) = NaI(s) + KNO3(aq)
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/22/24
Équations équilibrées sur11/21/23
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