| Équations équilibrées la veille |
N2 + 2 NaHCO3 = 2 HNO3 + Na2C2
B4C = B + C =>
B4C = 4 B + C
Mg(NO3)2 + K3PO4 = Mg3(PO4)2 + K3(NO3)3 =>
3 Mg(NO3)2 + 2 K3PO4 = Mg3(PO4)2 + 2 K3(NO3)3
MgCO3 = MgO + CO2 =>
MgCO3 = MgO + CO2
NH4Cl + NaOH = NaCl + H2O + NH3 =>
NH4Cl + NaOH = NaCl + H2O + NH3
AgF + (CH3COO)2Ca = CaF2 + CH3COOAg =>
2 AgF + (CH3COO)2Ca = CaF2 + 2 CH3COOAg
S + OH{-} = SO3{2-} + HS{-} + H2O =>
3 S + 4 OH{-} = SO3{2-} + 2 HS{-} + H2O
IO3{-} + N3{-} + H2O = I{-} + NO + OH{-} =>
7 IO3{-} + 6 N3{-} + 3 H2O = 7 I{-} + 18 NO + 6 OH{-}
CH4Cl = CH4 + Cl =>
CH4Cl = CH4 + Cl
Zr(ClO3)4 = ZrCl4 + O2 =>
Zr(ClO3)4 = ZrCl4 + 6 O2
HNO3 + LiOH = H2O + LiNO3 =>
HNO3 + LiOH = H2O + LiNO3
Cr2O7{2-} + S{2-} + H2O = Cr{3+} + S + OH{-} =>
Cr2O7{2-} + 3 S{2-} + 7 H2O = 2 Cr{3+} + 3 S + 14 OH{-}
MgI + Br2 = I2 + MgBr2 =>
2 MgI + 2 Br2 = I2 + 2 MgBr2
K4[Fe(CN)6] + H2SO4 = HCN + FeSO4 + K2SO4 =>
K4[Fe(CN)6] + 3 H2SO4 = 6 HCN + FeSO4 + 2 K2SO4
KCIO3 + S = KCI + SO2 =>
2 KCIO3 + 3 S = 2 KCI + 3 SO2
X + HNO3 = X(NO3)2 + NO2(g) + H2O(l) =>
X + 4 HNO3 = X(NO3)2 + 2 NO2(g) + 2 H2O(l)
NH4Br(aq) + CaCO3(s) = CaBr2(aq) + CO2(g) + (NH4)2O(aq) =>
2 NH4Br(aq) + CaCO3(s) = CaBr2(aq) + CO2(g) + (NH4)2O(aq)
SO3 + HCl = SO2 + H2O + Cl =>
SO3 + 2 HCl = SO2 + H2O + 2 Cl
Ca(NO3)2 + Na2CO3 = CaCO3 + NaNO3 =>
Ca(NO3)2 + Na2CO3 = CaCO3 + 2 NaNO3
HNO3 + H2SO3 = H2SO4 + HNO2 =>
HNO3 + H2SO3 = H2SO4 + HNO2
C3H8 + O2 = CO + H2O =>
2 C3H8 + 7 O2 = 6 CO + 8 H2O
Li + H2SeO3 = LiSeO2 + H2O =>
Li + H2SeO3 = LiSeO2 + H2O
NH3H2O + ZnCl2 = NH4Cl + Zn(OH)2 =>
2 NH3H2O + ZnCl2 = 2 NH4Cl + Zn(OH)2
(HCOO)2Ca = HCOH + CaCO3 =>
(HCOO)2Ca = HCOH + CaCO3
Al(s) + SnCl2(aq) = AlCl3 + Sn(s) =>
2 Al(s) + 3 SnCl2(aq) = 2 AlCl3 + 3 Sn(s)
NaSCN + KMnO4 + H2SO4 = K2SO4 + MnSO4 + HCN + NaSO4 + H2O =>
10 NaSCN + 14 KMnO4 + 21 H2SO4 = 7 K2SO4 + 14 MnSO4 + 10 HCN + 10 NaSO4 + 16 H2O
Al2S3 + H2O = Al(OH)3 + H6S3 =>
Al2S3 + 6 H2O = 2 Al(OH)3 + H6S3
POCl3 + NaHCO3 = NaCl + CO2 + H3PO4 =>
POCl3 + 3 NaHCO3 = 3 NaCl + 3 CO2 + H3PO4
NaH(CO3) + CH3COOH = CH3COONa + H2O + CO2 =>
NaH(CO3) + CH3COOH = CH3COONa + H2O + CO2
Fe{2+} + BrO3{-} + H{+} = Br{-} + Fe{3+} + H2O =>
6 Fe{2+} + BrO3{-} + 6 H{+} = Br{-} + 6 Fe{3+} + 3 H2O
CH3COONH4 + H2O = CH3COOH + NH4OH =>
CH3COONH4 + H2O = CH3COOH + NH4OH
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
OH + NaOH = NaO + H2O =>
OH + NaOH = NaO + H2O
Li3N(s) + H2O(l) = LiOH(aq) + NH3(aq) =>
Li3N(s) + 3 H2O(l) = 3 LiOH(aq) + NH3(aq)
AgNO3 + HCl = AgCl + HNO3 =>
AgNO3 + HCl = AgCl + HNO3
HNO3 + HNO2 = H2O + N2O4 =>
HNO3 + HNO2 = H2O + N2O4
Zr3N4 + W8S6 = W3N6 + Zr8S4 =>
24 Zr3N4 + 6 W8S6 = 16 W3N6 + 9 Zr8S4
AgNO3 + HCl = AgCl + HNO3 =>
AgNO3 + HCl = AgCl + HNO3
SH2 + Al = S3Al2 + H2 =>
3 SH2 + 2 Al = S3Al2 + 3 H2
Na2SO3 + KMnO4 + H2SO4 = Na2SO4 + MnSO4 + K2SO + H2O =>
8 Na2SO3 + 2 KMnO4 + 3 H2SO4 = 8 Na2SO4 + 2 MnSO4 + K2SO + 3 H2O
K2O + MgO + Al2O3 + SiO2 + H2O = KMg3AlSi3O10(OH)2 =>
K2O + 6 MgO + Al2O3 + 6 SiO2 + 2 H2O = 2 KMg3AlSi3O10(OH)2
Cu + FeSO4 = CuSO4 + Fe =>
Cu + FeSO4 = CuSO4 + Fe
HSbCl6 + H2S = S + Sb2S3 + HCl =>
2 HSbCl6 + 5 H2S = 2 S + Sb2S3 + 12 HCl
NiS + FeBr2 = FeS2 + NiBr =>
2 NiS + FeBr2 = FeS2 + 2 NiBr
(C6H10O5)2 + O2 = CO2 + H2O =>
(C6H10O5)2 + 12 O2 = 12 CO2 + 10 H2O
KHCO3(s) = K2CO3(aq) + H2O(l) + CO2(g) =>
2 KHCO3(s) = K2CO3(aq) + H2O(l) + CO2(g)
N2H8 + SO4 = NH4{+} + SO4{-2} =>
N2H8 + SO4 = 2 NH4{+} + SO4{-2}
C2H4Cl2 + AgNO3 = C2H4O + AgCl + NO2 + O2 =>
2 C2H4Cl2 + 4 AgNO3 = 2 C2H4O + 4 AgCl + 4 NO2 + O2
C6H5COOH + H2O = C6H5 + OH =>
6 C6H5COOH + 11 H2O = 7 C6H5 + 23 OH
KMnO4 + H3PO4 + As = HAsO3 + Mn3(PO4)2 + K3PO4 + H2O =>
3 KMnO4 + 3 H3PO4 + 3 As = 3 HAsO3 + Mn3(PO4)2 + K3PO4 + 3 H2O
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