| Équations équilibrées la veille |
LaCl3 + 4 LiPN2 = LaLiP4N8 + 3 LiCl
FeS4 + O2 = Fe2O3 + SO2 =>
4 FeS4 + 19 O2 = 2 Fe2O3 + 16 SO2
CuS + HCl = CuCl2 + H2S =>
CuS + 2 HCl = CuCl2 + H2S
NaHS + KOH = Na2S + K2S + H2O =>
2 NaHS + 2 KOH = Na2S + K2S + 2 H2O
C2H6(g) + O2(g) = CO2(g) + H2O(g) =>
2 C2H6(g) + 7 O2(g) = 4 CO2(g) + 6 H2O(g)
H2 + Cl2 + O2 = HClO7 =>
H2 + Cl2 + 7 O2 = 2 HClO7
Sc(OH)3 + HNO3 = Sc(NO3)3 + HOH =>
Sc(OH)3 + 3 HNO3 = Sc(NO3)3 + 3 HOH
Cr(SO4)3 + Br2 + NaOH = NaCrO4 + NaBr + Na2SO4 + H2O =>
2 Cr(SO4)3 + Br2 + 16 NaOH = 2 NaCrO4 + 2 NaBr + 6 Na2SO4 + 8 H2O
W + O2 = W2O3 =>
4 W + 3 O2 = 2 W2O3
NaCl + AgNo3 = AgCl + NaNo3 =>
NaCl + AgNo3 = AgCl + NaNo3
Cu2O(s) + C(s) = Cu(s) + CO(g) =>
Cu2O(s) + C(s) = 2 Cu(s) + CO(g)
Al2(SO4)3 + KBr = K(SO4)3 + Al2Br =>
Al2(SO4)3 + KBr = K(SO4)3 + Al2Br
K3AlO3 + H2O = K3(Al(OH)6) =>
K3AlO3 + 3 H2O = K3(Al(OH)6)
Cr2O7{2-} + H2AsO3 + H{+} = Cr{3+} + H3AsO4 + H2O =>
Cr2O7{2-} + 6 H2AsO3 + 8 H{+} = 2 Cr{3+} + 6 H3AsO4 + H2O
(NH4)2CO3 + H2SO4 = (NH4)2SO4 + CO2 + H2O =>
(NH4)2CO3 + H2SO4 = (NH4)2SO4 + CO2 + H2O
Fe(H2O)5{3+} + NCS{-} = Fe(NCS)(H2O)5{2+} =>
Fe(H2O)5{3+} + NCS{-} = Fe(NCS)(H2O)5{2+}
C2H4 + NH3 = C2H5NH2 =>
C2H4 + NH3 = C2H5NH2
FeCl2 + Zn(NO3)2 = ZnCl2 + Fe(NO3)2 =>
FeCl2 + Zn(NO3)2 = ZnCl2 + Fe(NO3)2
K3[Cr(OH)6] + SO2 = KHSO3 + Cr(OH)3 =>
K3[Cr(OH)6] + 3 SO2 = 3 KHSO3 + Cr(OH)3
Sr(NO3)2 + HCl = HNO3 + SrCl2 =>
Sr(NO3)2 + 2 HCl = 2 HNO3 + SrCl2
Se + N2 = Se3N2 =>
3 Se + N2 = Se3N2
HNO4 + Zn = ZnNO4 + H2 =>
2 HNO4 + 2 Zn = 2 ZnNO4 + H2
Zn(OH)2 + NH4HO = [Zn(NH3)4](OH)2 + H2O =>
Zn(OH)2 + 4 NH4HO = [Zn(NH3)4](OH)2 + 4 H2O
NaHSO4 = Na2SO4 + H2SO4 =>
2 NaHSO4 = Na2SO4 + H2SO4
Au + (CN{-}) + O2 + H2O = Au(CN)2 + (OH{-}) =>
2 Au + 4(CN{-}) + O2 + 2 H2O = 2 Au(CN)2 + 4(OH{-})
B(s) + Cl2(g) = BCl3(g) =>
2 B(s) + 3 Cl2(g) = 2 BCl3(g)
NH4SCN + FeNH4(SO4) = NH4SO4 + FeNH4SCN =>
NH4SCN + FeNH4(SO4) = NH4SO4 + FeNH4SCN
CuS + HCl = CuCl + HS =>
CuS + HCl = CuCl + HS
Cu(OH)2 + CO = Cu2O + H2O + CO2 =>
2 Cu(OH)2 + CO = Cu2O + 2 H2O + CO2
Y2(C2O4)3 + MnO4{-} + H{+} = Mn{2+} + Y{3+} + CO2 + H2O =>
5 Y2(C2O4)3 + 6 MnO4{-} + 48 H{+} = 6 Mn{2+} + 10 Y{3+} + 30 CO2 + 24 H2O
S + K2CO3 = K2S + CO3 =>
S + K2CO3 = K2S + CO3
CaSO4 + Fe(NO3) = Ca(NO3) + Fe(SO4) =>
CaSO4 + Fe(NO3) = Ca(NO3) + Fe(SO4)
FeSO4 + O2 + H2SO4 = Fe2(SO4)3 + H2O =>
4 FeSO4 + O2 + 2 H2SO4 = 2 Fe2(SO4)3 + 2 H2O
Na2CO3 + NH4(Fe)2SO4 = Na2SO4 + NH4(Fe)2CO3 =>
Na2CO3 + NH4(Fe)2SO4 = Na2SO4 + NH4(Fe)2CO3
W + O2 = WO3 =>
2 W + 3 O2 = 2 WO3
NaHSO4 = Na2S2O8 + H2 =>
2 NaHSO4 = Na2S2O8 + H2
Ag2S + NH4Cl = AgCl + (NH4)2S =>
Ag2S + 2 NH4Cl = 2 AgCl + (NH4)2S
NaI(s) + Br2(l) = BrI + Na =>
2 NaI(s) + Br2(l) = 2 BrI + 2 Na
Hg2(NO3)2 + NH4OH = Hg2(OH)2 + NH4NO3 =>
Hg2(NO3)2 + 2 NH4OH = Hg2(OH)2 + 2 NH4NO3
KHSO3 = K2O + SO2 + H2O =>
2 KHSO3 = K2O + 2 SO2 + H2O
Al + HCl = AlCl + H2 =>
2 Al + 2 HCl = 2 AlCl + H2
N2H5Cl = N2H4 + Cl + H =>
N2H5Cl = N2H4 + Cl + H
Ca + Cl2 + K2CO3 = CaK2 + ClCO3 =>
2 Ca + Cl2 + 2 K2CO3 = 2 CaK2 + 2 ClCO3
NaBr + Na2SO3 = NaSO3 + BrNa2 =>
NaBr + Na2SO3 = NaSO3 + BrNa2
CO3{-}2 + H2O = HCO3{-} + OH =>
CO3{-}2 + H2O = HCO3{-} + OH
S + K2CO3 = K2S + CO3 =>
S + K2CO3 = K2S + CO3
NH4OH + CuSO4 = Cu(NH4OH)4 + SO4 =>
4 NH4OH + CuSO4 = Cu(NH4OH)4 + SO4
Cu(OH)2Cu2(CO3)2 = CuO + CO2 + H2O =>
Cu(OH)2Cu2(CO3)2 = 3 CuO + 2 CO2 + H2O
KMnO4 + HNO3 = KNO3 + Mn(NO3)2 + H2O + O2 =>
4 KMnO4 + 12 HNO3 = 4 KNO3 + 4 Mn(NO3)2 + 6 H2O + 5 O2
NH4N2O + O2 = NO + H2O =>
NH4N2O + 2 O2 = 3 NO + 2 H2O
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