| Équations équilibrées la veille |
6 FeSO4 + 2 Na2CrO4 + 10 H2SO4 = Cr2(SO4)3 + 4 NaHSO4 + 8 H2O + 3 Fe2(SO4)3
SO3NH4OH = (NH4)HSO4 =>
SO3NH4OH = (NH4)HSO4
CuSO4 + H2O = O2 + H2SO4 + Cu =>
2 CuSO4 + 2 H2O = O2 + 2 H2SO4 + 2 Cu
AgNO3 + H3P03 + H2O = Ag + H3PO4 + HNO3 =>
18 AgNO3 + H3P03 + 12 H2O = 18 Ag + 3 H3PO4 + 18 HNO3
ZnOBa(OH)2 = BaZnO2H2O =>
ZnOBa(OH)2 = BaZnO2H2O
Na + Se = Na2Se =>
2 Na + Se = Na2Se
Ag(NH3)2 + NaCl = AgCl + Na(NH3)2 =>
Ag(NH3)2 + NaCl = AgCl + Na(NH3)2
Au2(CO3)3 + LiOH = Au(OH)3 + Li2CO3 =>
Au2(CO3)3 + 6 LiOH = 2 Au(OH)3 + 3 Li2CO3
AgNO3 + H3P03 + H2O = Ag + H3PO4 + HNO3 =>
18 AgNO3 + H3P03 + 12 H2O = 18 Ag + 3 H3PO4 + 18 HNO3
BaCl2 + K(SO4) = Ba(SO4)2 + KCl =>
BaCl2 + 2 K(SO4) = Ba(SO4)2 + 2 KCl
K2Cr2O7 + NH4Cl = N2 + Cr2O3 + KCl + H2O =>
K2Cr2O7 + 2 NH4Cl = N2 + Cr2O3 + 2 KCl + 4 H2O
AlO + H2SO4 = Al(SO4) + H2O =>
AlO + H2SO4 = Al(SO4) + H2O
Na2CO3H2PO4 = Na2PO4CO2H2O =>
Na2CO3H2PO4 = Na2PO4CO2H2O
S8 = S3 =>
3 S8 = 8 S3
Co{2+} + NO2{-} + K{+} + H{+} = K3[Co(NO2)6] + NO + H2O =>
Co{2+} + 7 NO2{-} + 3 K{+} + 2 H{+} = K3[Co(NO2)6] + NO + H2O
Ba(NO3)2 + NaC2H3O2 = Ba(C2H3O2)2 + NaNO3 =>
Ba(NO3)2 + 2 NaC2H3O2 = Ba(C2H3O2)2 + 2 NaNO3
Al(OH)3 + HClO4 = Al(OH)2 + ClO4 + H2O =>
Al(OH)3 + HClO4 = Al(OH)2 + ClO4 + H2O
C15H1602 + O2 = CO2 + H2O =>
2 C15H1602 + 831 O2 = 30 CO2 + 1602 H2O
CO2 + BaCl2 = BaCO3 + CCl4 =>
3 CO2 + 2 BaCl2 = 2 BaCO3 + CCl4
Sn(s) + Au(NO3)3(aq) = Sn(NO3)2(aq) + Au(s) =>
3 Sn(s) + 2 Au(NO3)3(aq) = 3 Sn(NO3)2(aq) + 2 Au(s)
Sb2S3(s) + O2(g) = Sb2O4(s) + SO2(g) =>
Sb2S3(s) + 5 O2(g) = Sb2O4(s) + 3 SO2(g)
CH3CHO + Na = CH3CHONa =>
CH3CHO + Na = CH3CHONa
C3H6OCH3MgBr = C4H9OMgBr =>
C3H6OCH3MgBr = C4H9OMgBr
Ca(HO)2 + HCl = CaCl2 + H2O =>
Ca(HO)2 + 2 HCl = CaCl2 + 2 H2O
Ca(NO3)2 + Cs2SO4 = CsNO3 + CaSO4 =>
Ca(NO3)2 + Cs2SO4 = 2 CsNO3 + CaSO4
Na2CO3 + GeO2 + Fe2O3 = NaFeGe2O6 + CO2 =>
Na2CO3 + 4 GeO2 + Fe2O3 = 2 NaFeGe2O6 + CO2
CaCO3 + NaCl = Na2CO3 + CaCl2 =>
CaCO3 + 2 NaCl = Na2CO3 + CaCl2
C3H6 + C9H12 = C12H18 =>
C3H6 + C9H12 = C12H18
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
HCl + Fe(NO3)3 = FeCl + H(NO3)3 =>
HCl + Fe(NO3)3 = FeCl + H(NO3)3
Cr2O3 + CaO + H2O = CaCrO4 + H2 =>
Cr2O3 + 2 CaO + 3 H2O = 2 CaCrO4 + 3 H2
N2 + O2 = NO2 =>
N2 + 2 O2 = 2 NO2
K8O4 + H2O = KOH =>
K8O4 + 4 H2O = 8 KOH
BaCl2O6 = BaCl2 + O =>
BaCl2O6 = BaCl2 + 6 O
BaO + water = bariumhydroxide =>
BaO + H2O = Ba(OH)2
C9H8 + Cr2O7{-2} + H3O{+} = C9H8O4 + Cr{+3} + H2O =>
3 C9H8 + 4 Cr2O7{-2} + 32 H3O{+} = 3 C9H8O4 + 8 Cr{+3} + 48 H2O
SrCl2 + (NH4)2C2O4 = SrC2O4 + NH4Cl =>
SrCl2 + (NH4)2C2O4 = SrC2O4 + 2 NH4Cl
KCl + NaHSO4 = K2SO4 + Na2SO4 + HCl =>
2 KCl + 2 NaHSO4 = K2SO4 + Na2SO4 + 2 HCl
BaH2SO4 = BaSO4H2 =>
BaH2SO4 = BaSO4H2
H2O + C = CO + H =>
H2O + C = CO + 2 H
Ca(OH)2 + CO2 = Ca(HCO3)2 =>
Ca(OH)2 + 2 CO2 = Ca(HCO3)2
CNa2O3 + H2SO4 = Na2SO4 + CO2 + H2O =>
CNa2O3 + H2SO4 = Na2SO4 + CO2 + H2O
IO3{2-} + I{-} + H{+} = I3{-} + H2O =>
2 IO3{2-} + 13 I{-} + 12 H{+} = 5 I3{-} + 6 H2O
HI + Br2 = HBr + I =>
2 HI + Br2 = 2 HBr + 2 I
HCOOHK = HCOOKH =>
HCOOHK = HCOOKH
C9H8 + Cr2O7{-2} + H3O{+} = C9H8O4 + Cr{+3} + H2O =>
3 C9H8 + 4 Cr2O7{-2} + 32 H3O{+} = 3 C9H8O4 + 8 Cr{+3} + 48 H2O
Sn(OH)4 + HCN = Sn(CN)4 + H2O =>
Sn(OH)4 + 4 HCN = Sn(CN)4 + 4 H2O
Rh(s) + Br2(g) = RhBr3(s) =>
2 Rh(s) + 3 Br2(g) = 2 RhBr3(s)
MgCl2(aq) + Li2S(aq) = LiCl + MgS =>
MgCl2(aq) + Li2S(aq) = 2 LiCl + MgS
CO3 + N2 = NO2 + CN =>
4 CO3 + 5 N2 = 6 NO2 + 4 CN
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