| Équations équilibrées la veille |
8 C6H8O7 + 9 Na3HCO3 = 3 CO2 + 14 H2O + 9 Na3C6H5O7
MgO + H2 = H2O + Mg =>
MgO + H2 = H2O + Mg
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
C2F4 = C50F100 =>
25 C2F4 = C50F100
Ca(NO3)2 + K2SO4 = Ca(SO4)2 + K2(NO3) =>
Ca(NO3)2 + 2 K2SO4 = Ca(SO4)2 + 2 K2(NO3)
H{+} + Cr2O72{-} + HC2H5O2 = Cr3{+} + CO2 + H2O =>
50 H{+} + 30 Cr2O72{-} + 427 HC2H5O2 = 20 Cr3{+} + 854 CO2 + 1306 H2O
CuCO3 + ZnSO4 = CuSO4 + ZnCO3 =>
CuCO3 + ZnSO4 = CuSO4 + ZnCO3
KOH + Cl2 = ClK + ClO3K + H2O =>
6 KOH + 3 Cl2 = 5 ClK + ClO3K + 3 H2O
C2H4(g) + O2(s) = CO2(g) + H2O(g) =>
C2H4(g) + 3 O2(s) = 2 CO2(g) + 2 H2O(g)
C4H9Br + KOH = C4H8 + KBr + H2O =>
C4H9Br + KOH = C4H8 + KBr + H2O
Ni + HNO3 = Ni(NO3)3 + H2 =>
2 Ni + 6 HNO3 = 2 Ni(NO3)3 + 3 H2
Bi(NO3)3 + NaOH = Bi(OH)3 + NaNO3 =>
Bi(NO3)3 + 3 NaOH = Bi(OH)3 + 3 NaNO3
Cr(NO3)2(aq) + Na2S(aq) = CrS(s) + NaNO3(aq) =>
Cr(NO3)2(aq) + Na2S(aq) = CrS(s) + 2 NaNO3(aq)
Sn3H8 + O2 = SnO2 + H2O =>
Sn3H8 + 5 O2 = 3 SnO2 + 4 H2O
C6H12 + O2 = CO2 + H6O2 =>
C6H12 + 8 O2 = 6 CO2 + 2 H6O2
CaCl2 + (NH4)2CO3 = CaCO3 + NH4Cl =>
CaCl2 + (NH4)2CO3 = CaCO3 + 2 NH4Cl
CH3NO2 + Fe + HCl = CH3NH3Cl + FeCl2 + H2O =>
CH3NO2 + 3 Fe + 7 HCl = CH3NH3Cl + 3 FeCl2 + 2 H2O
(NH4)2(SO4) + Na(OH) = Na2(SO4) + NH3 + H2O =>
(NH4)2(SO4) + 2 Na(OH) = Na2(SO4) + 2 NH3 + 2 H2O
C6H9OH + O2 = H2O + CO2 =>
C6H9OH + 8 O2 = 5 H2O + 6 CO2
KOH + H2S2O8 = K2S2O8 + H2O =>
2 KOH + H2S2O8 = K2S2O8 + 2 H2O
H2SO4 + CH5N = H2O + CH5NSO3 =>
H2SO4 + CH5N = H2O + CH5NSO3
CH4 + Cl2 = HCl + CH3Cl =>
CH4 + Cl2 = HCl + CH3Cl
KI + Pb + (NO3) = KNO3 + PbI2 =>
2 KI + Pb + 2(NO3) = 2 KNO3 + PbI2
Fe2S + O2 + H2O = Fe2O3 + H2SO4 =>
Fe2S + 3 O2 + H2O = Fe2O3 + H2SO4
Al + HO3S = Al2(SO3)3 + H =>
2 Al + 3 HO3S = Al2(SO3)3 + 3 H
Mn2O3 + HNO3 = MnNO3 + O2 + H2O =>
Mn2O3 + 2 HNO3 = 2 MnNO3 + O2 + H2O
NH3 + NaClO = HClO + NaNH2 =>
NH3 + NaClO = HClO + NaNH2
C12H14N2 + H2O2 = CO2 + NO2 + H2O =>
C12H14N2 + 35 H2O2 = 12 CO2 + 2 NO2 + 42 H2O
Mg + P + O = Mg2P2O7 =>
2 Mg + 2 P + 7 O = Mg2P2O7
KOH + H3Br = K3Br + H2O =>
3 KOH + H3Br = K3Br + 3 H2O
HNO3(l) + S8(s) = H2SO4(l) + NO(g) =>
16 HNO3(l) + S8(s) = 8 H2SO4(l) + 16 NO(g)
C3H3(g) + O2(g) = CO2(g) + H2O(l) =>
4 C3H3(g) + 15 O2(g) = 12 CO2(g) + 6 H2O(l)
Ca + HCl = CaCl2 + H2 =>
Ca + 2 HCl = CaCl2 + H2
C8H10N4O2 + O2 = CO2 + H2O + N2 =>
2 C8H10N4O2 + 19 O2 = 16 CO2 + 10 H2O + 4 N2
HC2H3O2(aq) + NaOH(aq) = NaC2H3O2(aq) + H2O(l) =>
HC2H3O2(aq) + NaOH(aq) = NaC2H3O2(aq) + H2O(l)
(a)K2SO4(aq) + Al(s) = Al2(SO4)3(aq) + K(s) =>
3(a)K2SO4(aq) + 2 Al(s) = Al2(SO4)3(aq) + 6 K(s)
AlP + KI = AlI3 + K3P =>
AlP + 3 KI = AlI3 + K3P
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
AlP + KI = AlI3 + K3P =>
AlP + 3 KI = AlI3 + K3P
Cu + H2S + H2O = CuSO4 + H2 =>
Cu + H2S + 4 H2O = CuSO4 + 5 H2
K2S2O8 + Al = K2SO4 + Al2(SO4)3 =>
3 K2S2O8 + 2 Al = 3 K2SO4 + Al2(SO4)3
CaCl2 + (NH4)2SO4 = Ca(NH4)2 + Cl2SO4 =>
CaCl2 + (NH4)2SO4 = Ca(NH4)2 + Cl2SO4
LiAlSi2O6 + Na2SO4 = Li2SO4 + Na2SiO3 + SiO2 + Al2O3 =>
2 LiAlSi2O6 + Na2SO4 = Li2SO4 + Na2SiO3 + 3 SiO2 + Al2O3
HJ + H2SO4 = J2 + H2S + H2O =>
8 HJ + H2SO4 = 4 J2 + H2S + 4 H2O
(NH4)3PO4 + K2CO3 = (NH4)2CO3 + K3(PO4) =>
2(NH4)3PO4 + 3 K2CO3 = 3(NH4)2CO3 + 2 K3(PO4)
KCN + H2SO4 = KSO4 + H2CN =>
KCN + H2SO4 = KSO4 + H2CN
Mg + HL = MgL2 + H2 =>
Mg + 2 HL = MgL2 + H2
H45As2 + Po = As32 + PoH =>
16 H45As2 + 720 Po = As32 + 720 PoH
Cl2 + H3PO3 + H2O = HClO4 + PH3 =>
3 Cl2 + 7 H3PO3 + 3 H2O = 6 HClO4 + 7 PH3
S + C = SC =>
S + C = SC
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