| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 MgO(s) + 2 H3PO4(aq) = Mg3(PO4)2(s) + 3 H2O(l)
H2O + P2H4 + HNO = H3PO4 + NH3 =>
9 H2O + 2 P2H4 + 7 HNO = 4 H3PO4 + 7 NH3
K2O + PO2 = K5P + O2 =>
10 K2O + 4 PO2 = 4 K5P + 9 O2
H2S + KOH = HOH + K2S =>
H2S + 2 KOH = 2 HOH + K2S
Br2 + OH = BrO3 + H2O =>
Br2 + 12 OH = 2 BrO3 + 6 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Fe(OH)3 + H2C2O4 + K2C2O4 = K3[Fe(C2O4)3]*3H2O =>
2 Fe(OH)3 + 3 H2C2O4 + 3 K2C2O4 = 2 K3[Fe(C2O4)3]*3H2O
LiCl + NaHCO3 = Li2CO3 + CO2 + H2O + NaCl =>
2 LiCl + 2 NaHCO3 = Li2CO3 + CO2 + H2O + 2 NaCl
NaCl + MnO2 + HNO3 = Cl2 + Mn(NO3)2 + NaNO3 + H2O =>
2 NaCl + MnO2 + 4 HNO3 = Cl2 + Mn(NO3)2 + 2 NaNO3 + 2 H2O
FeTiO3 + H2 = H2O + Fe + Ti =>
FeTiO3 + 3 H2 = 3 H2O + Fe + Ti
CaCl2(s) + Na3PO4(aq) = Ca3(PO4)2(s) + NaCl(aq) =>
3 CaCl2(s) + 2 Na3PO4(aq) = Ca3(PO4)2(s) + 6 NaCl(aq)
C5H5N + HNO2 = C5H5NHNO2 =>
C5H5N + HNO2 = C5H5NHNO2
FeNO32 + HNO3 = FeNO33 + NO + H2O =>
3 FeNO32 + 2 HNO3 = 3 FeNO33 + 2 NO + H2O
Cr2O3 + CH4 = Cr3C2 + H2 + CO2 =>
6 Cr2O3 + 17 CH4 = 4 Cr3C2 + 34 H2 + 9 CO2
K4[Fe(CN)6] + Fe(SCN)3 + KCl = K3(CN)6 + Fe(KSCN)6 + FeCl2 =>
4 K4[Fe(CN)6] + 6 Fe(SCN)3 + 14 KCl = 4 K3(CN)6 + 3 Fe(KSCN)6 + 7 FeCl2
Ce2O3 + HNO3 + H2O = Ce(NO3)3*6H2O =>
Ce2O3 + 6 HNO3 + 9 H2O = 2 Ce(NO3)3*6H2O
K2MnO4 + H2O2 + H2SO4 = KMnO4 + K2SO4 + H2O =>
2 K2MnO4 + H2O2 + H2SO4 = 2 KMnO4 + K2SO4 + 2 H2O
MnO4{-} + HCl + H{+} = Mn{2+} + Cl2 + H2O =>
2 MnO4{-} + 10 HCl + 6 H{+} = 2 Mn{2+} + 5 Cl2 + 8 H2O
Sr(NO3)2 + Al(NO)3*9H2O + CH4N20 = SrAl2O4 + CO2 + H2O + N2 =>
Sr(NO3)2 + 2 Al(NO)3*9H2O + 2 CH4N20 = SrAl2O4 + 2 CO2 + 22 H2O + 24 N2
C7H6O3 + NaOH = C7H5NaO3 + H2O =>
C7H6O3 + NaOH = C7H5NaO3 + H2O
Mg(ClO3)2(aq) + BaCl2(aq) = Ba(ClO3)2 + MgCl2 =>
Mg(ClO3)2(aq) + BaCl2(aq) = Ba(ClO3)2 + MgCl2
Ce2(CO3)3 + HNO3 = Ce(NO3)3 + H2O + CO2 =>
Ce2(CO3)3 + 6 HNO3 = 2 Ce(NO3)3 + 3 H2O + 3 CO2
Al2(SO4)3 + NaOH = NaAl(OH)4 + Na2SO4 =>
Al2(SO4)3 + 8 NaOH = 2 NaAl(OH)4 + 3 Na2SO4
CO2 + C = CO =>
CO2 + C = 2 CO
Na2CO3 + HCl(aq) = CO2(g) + H2O(l) + NaCl(aq) =>
Na2CO3 + 2 HCl(aq) = CO2(g) + H2O(l) + 2 NaCl(aq)
NaH + K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + Na2SO4 + H2O =>
6 NaH + 2 K2Cr2O7 + 11 H2SO4 = 2 K2SO4 + 2 Cr2(SO4)3 + 3 Na2SO4 + 14 H2O
Mg(CO3)2 = Mg + C + O2 =>
Mg(CO3)2 = Mg + 2 C + 3 O2
Hg2{+} + Ag = Hg + Ag1{+} =>
Hg2{+} + Ag = 2 Hg + Ag1{+}
AgNo3(aq) + NaOH(aq) = AgOH(s) + NaNo3(aq) =>
AgNo3(aq) + NaOH(aq) = AgOH(s) + NaNo3(aq)
Li2CO3 + Ta2O5 = LiTaO3 + CO2 =>
Li2CO3 + Ta2O5 = 2 LiTaO3 + CO2
C14H29OH + O2 = CO2 + H2O =>
C14H29OH + 21 O2 = 14 CO2 + 15 H2O
C7H8O3S + NaOH = C7H7O3SNa + H2O =>
C7H8O3S + NaOH = C7H7O3SNa + H2O
Rb + N2 = Rb3N =>
6 Rb + N2 = 2 Rb3N
LiAlH4 + BeCl2 = AlH3 + Li2BeH2Cl2 =>
2 LiAlH4 + BeCl2 = 2 AlH3 + Li2BeH2Cl2
Pb(NO3)2 + Cu2SO4 = PbSO4 + CuNO3 =>
Pb(NO3)2 + Cu2SO4 = PbSO4 + 2 CuNO3
Fe(OH)3 + K2C2O4 + H2C2O4 = K3[Fe(C2O4)3] + H2O =>
2 Fe(OH)3 + 3 K2C2O4 + 3 H2C2O4 = 2 K3[Fe(C2O4)3] + 6 H2O
Pb + ZnSO4 = Pb2(SO4)3 + Zn =>
2 Pb + 3 ZnSO4 = Pb2(SO4)3 + 3 Zn
H2S + KOH = HOH + K2S =>
H2S + 2 KOH = 2 HOH + K2S
Zn(s) + CuSO4(l) = ZnSO4(aq) + Cu(s) =>
Zn(s) + CuSO4(l) = ZnSO4(aq) + Cu(s)
Ca + Fe2(CO3)3 = Fe + Ca(CO3) =>
3 Ca + Fe2(CO3)3 = 2 Fe + 3 Ca(CO3)
K3[Fe(CN)6] + Zn = Zn(CN)2 + K3Fe =>
K3[Fe(CN)6] + 3 Zn = 3 Zn(CN)2 + K3Fe
(CH3)3N + H3O = (CH3)3NH + H2O =>
(CH3)3N + H3O = (CH3)3NH + H2O
FeCr2O2 + K2CO3 + O2 = K2CrO4 + Fe2O3 + CO2 =>
4 FeCr2O2 + 8 K2CO3 + 11 O2 = 8 K2CrO4 + 2 Fe2O3 + 8 CO2
Na2CO3 + HCl(aq) = NaCl(aq) + H2O + CO2(g) =>
Na2CO3 + 2 HCl(aq) = 2 NaCl(aq) + H2O + CO2(g)
K2SiO3 + CH3COOH = H2SiO3 + CH3COOK =>
K2SiO3 + 2 CH3COOH = H2SiO3 + 2 CH3COOK
BaCl2 + H2O2 + NH4OH = BaO2 + NH4Cl + H2O =>
BaCl2 + H2O2 + 2 NH4OH = BaO2 + 2 NH4Cl + 2 H2O
Fe(NO3)3(aq) + NaHCO3(aq) = Fe(HCO3)3(s) + NaNO3(aq) =>
Fe(NO3)3(aq) + 3 NaHCO3(aq) = Fe(HCO3)3(s) + 3 NaNO3(aq)
NaCl + Pb(C2H3OH)2 = NaC2H3OH + PbCl2 =>
2 NaCl + Pb(C2H3OH)2 = 2 NaC2H3OH + PbCl2
Rb + N2 = Rb2N =>
4 Rb + N2 = 2 Rb2N
CeC2 + H2O = Ce(OH)2 + C2H2 =>
CeC2 + 2 H2O = Ce(OH)2 + C2H2
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Équations équilibrées sur10/24/24
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