| Équations équilibrées la veille |
3(NH4)2(CrO4) + 2 Cr(NO3)3 = 6 NH4NO3 + Cr2(CrO4)3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
FeCl3 + HCl + K2[Fe(CN)6] = Fe[Fe(CN)6]3 + KCl + H2 =>
2 FeCl3 + 6 HCl + 6 K2[Fe(CN)6] = 2 Fe[Fe(CN)6]3 + 12 KCl + 3 H2
Ag{+} + Cl{-} = AgCl =>
Ag{+} + Cl{-} = AgCl
HOOCCHCOOH + NaOH = COONaCHCOONa + H2O =>
HOOCCHCOOH + 2 NaOH = COONaCHCOONa + 2 H2O
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
Na2B4O7*10H2O + CuSO4 = H3BO3 + CuOHBO2 + Na2SO4 + H2O =>
Na2B4O7*10H2O + CuSO4 = 3 H3BO3 + CuOHBO2 + Na2SO4 + 5 H2O
K2(Cr2O7) + CH3(OH) + H2(SO4) = Cr2(SO4)3 + K2(SO4) + HCOOH + H2O =>
2 K2(Cr2O7) + 3 CH3(OH) + 8 H2(SO4) = 2 Cr2(SO4)3 + 2 K2(SO4) + 3 HCOOH + 11 H2O
ZnS + CH3COOH = ZnCH3COO + HS =>
ZnS + CH3COOH = ZnCH3COO + HS
HCl(g) + O2(g) = O2Cl(l) + H(g) =>
HCl(g) + O2(g) = O2Cl(l) + H(g)
Cu(NH3)4SO4(s) + HCl(aq) = NH4Cl + CuSO4 =>
Cu(NH3)4SO4(s) + 4 HCl(aq) = 4 NH4Cl + CuSO4
(NH4)3(PO4) + CaCl2 = (NH4)Cl + Ca3(PO4)2 =>
2(NH4)3(PO4) + 3 CaCl2 = 6(NH4)Cl + Ca3(PO4)2
Zn + HCl + Na2S2O4 = H2S + NaCl + ZnCl2 + H2O =>
5 Zn + 12 HCl + Na2S2O4 = 2 H2S + 2 NaCl + 5 ZnCl2 + 4 H2O
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
Fe2(SO4)3(aq) + NaCl(aq) = Fe2Cl(s) + Na(SO4)3(aq) =>
Fe2(SO4)3(aq) + NaCl(aq) = Fe2Cl(s) + Na(SO4)3(aq)
K + CuSO4 = KSO4Cu =>
K + CuSO4 = KSO4Cu
K3[Fe(CN)6] + KCNS = K3[Fe(CNS)6] + KCN =>
K3[Fe(CN)6] + 6 KCNS = K3[Fe(CNS)6] + 6 KCN
HBr + Mg(OH)2 = MgBr2 + H2O =>
2 HBr + Mg(OH)2 = MgBr2 + 2 H2O
AgNO3 + K2Cl2 = AgCl + KNO3 =>
2 AgNO3 + K2Cl2 = 2 AgCl + 2 KNO3
Pt + HCl = HPtCl =>
Pt + HCl = HPtCl
Fe{2+} + Pb{2+} = FePb{4+} =>
Fe{2+} + Pb{2+} = FePb{4+}
K2MnO4 + Zn + HCl = MnCl2 + KCl + ZnCl2 + H2O =>
K2MnO4 + 2 Zn + 8 HCl = MnCl2 + 2 KCl + 2 ZnCl2 + 4 H2O
H3O{+} + CH3OH + Cr2O7{2-} = CH2O + Cr{3+} + H2O =>
8 H3O{+} + 3 CH3OH + Cr2O7{2-} = 3 CH2O + 2 Cr{3+} + 15 H2O
KNO2 + KBr + H2SO4 = Br2 + NO + K2SO4 + H2O =>
2 KNO2 + 2 KBr + 2 H2SO4 = Br2 + 2 NO + 2 K2SO4 + 2 H2O
Ag + SO3 = Ag2(SO3) =>
2 Ag + SO3 = Ag2(SO3)
ZnNo3 + Cu = Zn + Cu(No3)2 =>
2 ZnNo3 + Cu = 2 Zn + Cu(No3)2
K2SO4 + NiBr2 = K2Br2 + SO4Ni =>
K2SO4 + NiBr2 = K2Br2 + SO4Ni
S2O3{-2} + H{+} = SO2 + S + H2O =>
S2O3{-2} + 2 H{+} = SO2 + S + H2O
Cu(OH)2 + Na2S = Na(OH)2 + Cu2S =>
2 Cu(OH)2 + Na2S = 2 Na(OH)2 + Cu2S
HCl + NiCl2 = HCl2 + NiCl =>
HCl + NiCl2 = HCl2 + NiCl
CH3CONH2HBr = CH3CONH3Br =>
CH3CONH2HBr = CH3CONH3Br
C6H6COOH + KMnO4 + H2SO4 = CO2 + K2SO4 + MnSO4 + H2O =>
10 C6H6COOH + 62 KMnO4 + 93 H2SO4 = 70 CO2 + 31 K2SO4 + 62 MnSO4 + 128 H2O
NaF + H2SO4 = NaSO4 + F + H =>
NaF + H2SO4 = NaSO4 + F + 2 H
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
CH3COOH + Mg(HCO3)2 = Mg(CH3COOH)2 + CO2 + H2O =>
9 CH3COOH + 4 Mg(HCO3)2 = 4 Mg(CH3COOH)2 + 10 CO2 + 6 H2O
SrCO3(s) = SrO + CO2 =>
SrCO3(s) = SrO + CO2
P4 + KOH + H2O = K2HPO3 + PH3 =>
P4 + 4 KOH + 2 H2O = 2 K2HPO3 + 2 PH3
CrCl3*6H2O + (NH2)2CO + C5H8O2 = Cr(C5H8O2)3 + NH4Cl + CO2 + H2O =>
8 CrCl3*6H2O + 12(NH2)2CO + 25 C5H8O2 = 8 Cr(C5H8O2)3 + 24 NH4Cl + 17 CO2 + 28 H2O
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
K + Fe2O3 = KFe2O3 =>
K + Fe2O3 = KFe2O3
KKK = K8 =>
8 KKK = 3 K8
C5H9O + O2 = CO2 + H2O =>
4 C5H9O + 27 O2 = 20 CO2 + 18 H2O
C + Br2 = CBr4 =>
C + 2 Br2 = CBr4
Al + Pb(C2H3O2) = Al(C2H3O2)3 + Pb =>
Al + 3 Pb(C2H3O2) = Al(C2H3O2)3 + 3 Pb
SO3 + Na2S = Na2SO4 + S =>
4 SO3 + 3 Na2S = 3 Na2SO4 + 4 S
C2H6 + NO = C3H3N + H2O + N2 =>
3 C2H6 + 6 NO = 2 C3H3N + 6 H2O + 2 N2
C26H54 + O = CO2 + H2O =>
C26H54 + 79 O = 26 CO2 + 27 H2O
CaO + N2 = Ca3N2 + O2 =>
6 CaO + 2 N2 = 2 Ca3N2 + 3 O2
CuSO4H2O(S) + Zn(S) = Cu(S) + ZnSO4(S) + H2O =>
CuSO4H2O(S) + Zn(S) = Cu(S) + ZnSO4(S) + H2O
KCl + NaOH = KOH + NaCl =>
KCl + NaOH = KOH + NaCl
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