| Équations équilibrées la veille |
CaF2(s)H2(SO4)(aq) = CaSO4(g) + 2 HF(aq)
Mn2 = Mn5 =>
5 Mn2 = 2 Mn5
FeSO4 + KMnO4 + H2O = FeOHSO4 + KOH + MnO2 =>
3 FeSO4 + KMnO4 + 2 H2O = 3 FeOHSO4 + KOH + MnO2
COF2(g) + NH3(g) = NH4F(s) + CO(NH2)2(s) =>
COF2(g) + 4 NH3(g) = 2 NH4F(s) + CO(NH2)2(s)
C9H8O4 + NaOH = Na(C9H7O4) + H2O =>
C9H8O4 + NaOH = Na(C9H7O4) + H2O
NaNO2 + H2O = HNO3 + N2O + NaOH =>
4 NaNO2 + 3 H2O = 2 HNO3 + N2O + 4 NaOH
C6H12O6 + NO3{-} + H{+} = CO2 + H2O + N2 =>
5 C6H12O6 + 24 NO3{-} + 24 H{+} = 30 CO2 + 42 H2O + 12 N2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Sb(NO3)3 + Na3PO4 = SbPO4 + NaNO3 =>
Sb(NO3)3 + Na3PO4 = SbPO4 + 3 NaNO3
H2O + FeCl2 + NaClO = NaCl + Fe(OH)3 + FeCl3 =>
3 H2O + 6 FeCl2 + 3 NaClO = 3 NaCl + 2 Fe(OH)3 + 4 FeCl3
Zn + Cu(II)SO4 = Zn(II)SO4 + Cu =>
Zn + Cu(II)SO4 = Zn(II)SO4 + Cu
As2O3 + Al + HCl = AsH3 + AlCl3 + H2O =>
As2O3 + 4 Al + 12 HCl = 2 AsH3 + 4 AlCl3 + 3 H2O
C3H2 + O2 = CO2 + H2O =>
2 C3H2 + 7 O2 = 6 CO2 + 2 H2O
Zn(s) + HCl(l) = ZnCl(ac) + H(g) =>
Zn(s) + HCl(l) = ZnCl(ac) + H(g)
AlBr3 + KMnO4 + H2SO4 = Al2(SO4)3 + MnSO4 + K2SO4 + Br2 + H2O =>
10 AlBr3 + 6 KMnO4 + 24 H2SO4 = 5 Al2(SO4)3 + 6 MnSO4 + 3 K2SO4 + 15 Br2 + 24 H2O
HOCl + CH3COOH = H2OCl + CH3COO =>
HOCl + CH3COOH = H2OCl + CH3COO
B2S3 + H2O = B(OH)3 + H2S =>
B2S3 + 6 H2O = 2 B(OH)3 + 3 H2S
H2SO3 + Na = Na2SO3 + H2 =>
H2SO3 + 2 Na = Na2SO3 + H2
HCO{-}{3} + H{3}O{+} = H{2}O + CO{2} =>
HCO{-}{3} + 5 H{3}O{+} = 6 H{2}O + CO{2}
Fe(NO) + NaF = FeF + NaNO =>
Fe(NO) + NaF = FeF + NaNO
C2N2(g) + Cl2(g) = NCl3(g) + CCl4(g) =>
C2N2(g) + 7 Cl2(g) = 2 NCl3(g) + 2 CCl4(g)
ZnSO4(s) + BaCl2(g) = ZnCl2(s) + BaSO4(g) =>
ZnSO4(s) + BaCl2(g) = ZnCl2(s) + BaSO4(g)
Ag3(AsO4) + Zn + H2SO4 = AsH3 + Ag + Zn(SO4) + H2O =>
2 Ag3(AsO4) + 11 Zn + 11 H2SO4 = 2 AsH3 + 6 Ag + 11 Zn(SO4) + 8 H2O
NaN3(s) = Na(s) + N2(s) =>
2 NaN3(s) = 2 Na(s) + 3 N2(s)
CH3COOH + KOH = CH3COOK + H2O =>
CH3COOH + KOH = CH3COOK + H2O
Al(NO3)3*9H2O + Ni(NO3)2*6H2O + CO(NH2)2 = NiAl2O4 + CO2 + H2O + N2 =>
6 Al(NO3)3*9H2O + 3 Ni(NO3)2*6H2O + 20 CO(NH2)2 = 3 NiAl2O4 + 20 CO2 + 112 H2O + 32 N2
C7H7ClO + CrO2 = C7H5ClO + CrO2H =>
C7H7ClO + 2 CrO2 = C7H5ClO + 2 CrO2H
I2 + K2S03 + KOH = KI + K2SO4 + H2O =>
10 I2 + K2S03 + 24 KOH = 20 KI + 3 K2SO4 + 12 H2O
Cr + O2 + N2 = Cr(NO3)3 =>
2 Cr + 9 O2 + 3 N2 = 2 Cr(NO3)3
MgO + H2O + PO = Mg2P2O5 + H =>
2 MgO + H2O + 2 PO = Mg2P2O5 + 2 H
FeCl2 + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + Cr2(SO4)3 + K2SO4 + Cl2 + H2O =>
2 FeCl2 + K2Cr2O7 + 7 H2SO4 = Fe2(SO4)3 + Cr2(SO4)3 + K2SO4 + 2 Cl2 + 7 H2O
Mn(NO3)2 + KOH + O2 = KMnO4 + KNO3 + H2O =>
4 Mn(NO3)2 + 12 KOH + 5 O2 = 4 KMnO4 + 8 KNO3 + 6 H2O
Mg(OH)2 + Al2Si2O5(OH)4 = Mg3Si4O10(OH)2 + Al(OH)3 =>
3 Mg(OH)2 + 2 Al2Si2O5(OH)4 = Mg3Si4O10(OH)2 + 4 Al(OH)3
KMnO4 + KNO2 + NaOH = KNaMnO4 + KNO3 + H2O =>
2 KMnO4 + KNO2 + 2 NaOH = 2 KNaMnO4 + KNO3 + H2O
Na2S + KI3 = S + NaI + KI =>
Na2S + KI3 = S + 2 NaI + KI
H + S + O2 = HSO =>
2 H + 2 S + O2 = 2 HSO
AgC2H3O2 + (NH4)2S = Ag2S + (NH4)C2H3O2 =>
2 AgC2H3O2 + (NH4)2S = Ag2S + 2(NH4)C2H3O2
HNO3 + Al(OH)3 = Al(NO3)3 + H2O =>
3 HNO3 + Al(OH)3 = Al(NO3)3 + 3 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
C6H10O + NH3 + H2O2 = C6H11NO + H2O =>
C6H10O + NH3 + H2O2 = C6H11NO + 2 H2O
Al2O3 + H2SO4 = Al2SO4 + H2O3 =>
Al2O3 + H2SO4 = Al2SO4 + H2O3
C2O2 + Fe12O12 = Fe + CO2 =>
6 C2O2 + Fe12O12 = 12 Fe + 12 CO2
HNO3 + Al(OH)3 = Al(NO3)3 + H2O =>
3 HNO3 + Al(OH)3 = Al(NO3)3 + 3 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
C6H5COCH3 + NaOH + I2 = C6H5COONa + CHI3 + H2O =>
5 C6H5COCH3 + 2 NaOH + 39 I2 = 2 C6H5COONa + 26 CHI3 + 3 H2O
Cr2(SO3)3 + H2(SO4) = Cr2(SO4)3 + H2(SO3) =>
Cr2(SO3)3 + 3 H2(SO4) = Cr2(SO4)3 + 3 H2(SO3)
K2Cr2O7(ac) + H2SO4(ac) + FeSO4(ac) = Fe2(SO4)3(ac) + Cr2(SO4)3(ac) + K2SO4(ac) + H2O(l) =>
K2Cr2O7(ac) + 7 H2SO4(ac) + 6 FeSO4(ac) = 3 Fe2(SO4)3(ac) + Cr2(SO4)3(ac) + K2SO4(ac) + 7 H2O(l)
Mg(s) + S(g) = MgS(s) =>
Mg(s) + S(g) = MgS(s)
Na2S2O6 + H2SO4 + K2Cr2O7 = K2SO4 + Cr2(SO4)3 + Na2SO4 + H2O =>
3 Na2S2O6 + H2SO4 + K2Cr2O7 = K2SO4 + Cr2(SO4)3 + 3 Na2SO4 + H2O
KBr + F2 = KBrF2 =>
KBr + F2 = KBrF2
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