| Équations équilibrées la veille |
F2 + 2 NaI = 2 NaF + I2
CaCO3 + Fe2O3 = Fe2(CO3)3 + CaO =>
3 CaCO3 + Fe2O3 = Fe2(CO3)3 + 3 CaO
Na2[Zn(OH)4] + H2S = ZnS + NaHS + H2O =>
Na2[Zn(OH)4] + 3 H2S = ZnS + 2 NaHS + 4 H2O
Fe(OH)3 + H2C2O4 = H2O + Fe2(C2O4)3 =>
2 Fe(OH)3 + 3 H2C2O4 = 6 H2O + Fe2(C2O4)3
Be(s) + HCl(aq) = BeCl2(s) + H2(g) =>
Be(s) + 2 HCl(aq) = BeCl2(s) + H2(g)
H2CO3 + Ca(HO)2 = CaCO3 + H2O =>
H2CO3 + Ca(HO)2 = CaCO3 + 2 H2O
Zn + I5 = ZnI =>
5 Zn + I5 = 5 ZnI
C4H9OH + K2Cr2O7 + H2SO4 = C4H8O2 + Cr2(SO4)3 + K2SO4 + H2O =>
3 C4H9OH + 2 K2Cr2O7 + 8 H2SO4 = 3 C4H8O2 + 2 Cr2(SO4)3 + 2 K2SO4 + 11 H2O
Au2O3 + CO = Au + CO2 =>
Au2O3 + 3 CO = 2 Au + 3 CO2
C7H10O3 + O2 = CO2 + H2O =>
C7H10O3 + 8 O2 = 7 CO2 + 5 H2O
CaCO3 + H2O + CO2 = Ca(HCO3)2 =>
CaCO3 + H2O + CO2 = Ca(HCO3)2
AgNO3 + CuCl2 = AgCl2 + Cu(NO3) =>
AgNO3 + CuCl2 = AgCl2 + Cu(NO3)
Pb(OH)2 + NaOH = Na2PbO2 + H2O =>
Pb(OH)2 + 2 NaOH = Na2PbO2 + 2 H2O
Ca3(PO4)2 + Ni(ClO3)3 = Ca(ClO3)2 + NiPO4 =>
Ca3(PO4)2 + 2 Ni(ClO3)3 = 3 Ca(ClO3)2 + 2 NiPO4
Pb(CIO3)2 + KBr = PbBr2 + KCIO3 =>
Pb(CIO3)2 + 2 KBr = PbBr2 + 2 KCIO3
Na2O + H3PO4 = H2O + Na3PO4 =>
3 Na2O + 2 H3PO4 = 3 H2O + 2 Na3PO4
I2 + HNO3 = HIO4 + NO2 + H2 =>
I2 + 8 HNO3 = 2 HIO4 + 8 NO2 + 3 H2
MgCl2 + K3(PO4) = Mg3(PO4)2 + K + Cl =>
3 MgCl2 + 2 K3(PO4) = Mg3(PO4)2 + 6 K + 6 Cl
Fe(SCN)2 + K2SO4 + Na3PO4 = Na2SO4 + Fe3(PO4)2 + KSCN =>
3 Fe(SCN)2 + 3 K2SO4 + 2 Na3PO4 = 3 Na2SO4 + Fe3(PO4)2 + 6 KSCN
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O(somebigcoefficients) =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O(somebigcoefficients)
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
Na2SO4 + BaCl2 = BaSO4 + NaCl =>
Na2SO4 + BaCl2 = BaSO4 + 2 NaCl
Al(OH)3 + NaOH = NaAlO2 + HOH =>
Al(OH)3 + NaOH = NaAlO2 + 2 HOH
C5H4COOH + O2 = CO2 + H2O =>
4 C5H4COOH + 25 O2 = 24 CO2 + 10 H2O
H2SO4 + H2O = H4O + SO4 =>
H2SO4 + H2O = H4O + SO4
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
Na + H2O(l) = NaOH + H2(aq) =>
2 Na + 2 H2O(l) = 2 NaOH + H2(aq)
HBr + Au(OH)3 = AuBr3 + H2O =>
3 HBr + Au(OH)3 = AuBr3 + 3 H2O
Zn + HI = ZnI2 + H =>
Zn + 2 HI = ZnI2 + 2 H
K2CrO4 + KOH + H2S = K3CrO3 + K2SO4 + H2O =>
8 K2CrO4 + 14 KOH + 3 H2S = 8 K3CrO3 + 3 K2SO4 + 10 H2O
CuO + H2SO4 = CuSO4 + H2O =>
CuO + H2SO4 = CuSO4 + H2O
Ca + Ag3(PO4) = Ca3(PO4)2 + Ag =>
3 Ca + 2 Ag3(PO4) = Ca3(PO4)2 + 6 Ag
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Se8 + O2 = SeO3 =>
Se8 + 12 O2 = 8 SeO3
FeCl3(aq) + Li2S(aq) = FeS(aq) + Li2Cl3(aq) =>
FeCl3(aq) + Li2S(aq) = FeS(aq) + Li2Cl3(aq)
As + KClO + KOH = K3AsO4 + KCl + H2O =>
2 As + 5 KClO + 6 KOH = 2 K3AsO4 + 5 KCl + 3 H2O
C9H8O2 + C5H6Br3N = C9H8Br2O2 + C5H6BrN =>
C9H8O2 + C5H6Br3N = C9H8Br2O2 + C5H6BrN
NaCl + Ag2SO4 = Na2SO4 + AgCl =>
2 NaCl + Ag2SO4 = Na2SO4 + 2 AgCl
CrO4{2-} + AsO3{3-} + H2O = AsO4{3-} + Cr(OH3) + OH{-} =>
2 CrO4{2-} + 7 AsO3{3-} + 5 H2O = 7 AsO4{3-} + 2 Cr(OH3) + 4 OH{-}
MnO2 + KI + H2O = MnI2 + I2 + KOH =>
MnO2 + 4 KI + 2 H2O = MnI2 + I2 + 4 KOH
(NH4)Cl + Pb(NO3)2 = PbCl2 + (NH4)(NO3) =>
2(NH4)Cl + Pb(NO3)2 = PbCl2 + 2(NH4)(NO3)
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Mn(OH)2 + KBrO3 = MnO2 + KBr + H2O =>
3 Mn(OH)2 + KBrO3 = 3 MnO2 + KBr + 3 H2O
C2H5OH + K = H2 + C2H5OK =>
2 C2H5OH + 2 K = H2 + 2 C2H5OK
CuCl2(l) + Na2SO4(l) = CuSO4 + NaCl(aq) =>
CuCl2(l) + Na2SO4(l) = CuSO4 + 2 NaCl(aq)
Li + N2 = Li3N =>
6 Li + N2 = 2 Li3N
NaOH(s) + HCl(g) = NaCl(s) + H2O(g) =>
NaOH(s) + HCl(g) = NaCl(s) + H2O(g)
C6H6O + HNO3 = C6H5NO3 + H2O =>
C6H6O + HNO3 = C6H5NO3 + H2O
KCl + HNO3 + O2 = KNO3 + Cl2 + H2O =>
4 KCl + 4 HNO3 + O2 = 4 KNO3 + 2 Cl2 + 2 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
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