| Équations équilibrées la veille |
3 SiH4 + 4 K2Cr2O7 + 16 H2SO4 = 3 SiO2 + 4 K2SO4 + 4 Cr2(SO4)3 + 22 H2O
C3H8O2 + O2 = H2O + C3H6O3 =>
C3H8O2 + O2 = H2O + C3H6O3
AgNO3 + C2H5I = AgI + C2H5NO3 =>
AgNO3 + C2H5I = AgI + C2H5NO3
Al2O3(l) + C(s) = CO2(g) + Al(s) =>
2 Al2O3(l) + 3 C(s) = 3 CO2(g) + 4 Al(s)
KIO3 + NaHSO3 = KHSO3 + NaIO3 =>
KIO3 + NaHSO3 = KHSO3 + NaIO3
SO3{-} + MnO4{-} + OH{-} = MnO2 + SO4{2-} + H2O =>
3 SO3{-} + MnO4{-} + 2 OH{-} = MnO2 + 3 SO4{2-} + H2O
Se + H2O = SeO + H2 =>
Se + H2O = SeO + H2
C6H5CH2OH + O2 = CO2 + H2O =>
2 C6H5CH2OH + 17 O2 = 14 CO2 + 8 H2O
H3PO3 + Ca(OH)2 = (PO3)2Ca3 + H2O =>
2 H3PO3 + 3 Ca(OH)2 = (PO3)2Ca3 + 6 H2O
ClO2 + PbO + NaOH = PbO2 + NaCl + H2O =>
2 ClO2 + 5 PbO + 2 NaOH = 5 PbO2 + 2 NaCl + H2O
Cr2O3 + H2 = Cr + H2O =>
Cr2O3 + 3 H2 = 2 Cr + 3 H2O
CH3CH2OH + NaBr + H2SO4 = CH3CH2Br + Na2SO4 + H2O =>
2 CH3CH2OH + 2 NaBr + H2SO4 = 2 CH3CH2Br + Na2SO4 + 2 H2O
RbOH + H2SO4 = RbHSO4 + H2O =>
RbOH + H2SO4 = RbHSO4 + H2O
ZnSO4 + K4[Fe(CN)6] = K2Zn[Fe(CN)6] + K2SO4 =>
ZnSO4 + K4[Fe(CN)6] = K2Zn[Fe(CN)6] + K2SO4
Pb(CH3COO)2 + (NH4)2S = PbS + CH3COONH4 =>
Pb(CH3COO)2 + (NH4)2S = PbS + 2 CH3COONH4
MnSO4 + Br2 + H2O = HMnO4 + HBr + H2SO4 =>
2 MnSO4 + 5 Br2 + 8 H2O = 2 HMnO4 + 10 HBr + 2 H2SO4
Ag + Mn(NO3)2 = Mn + AgNO3 =>
2 Ag + Mn(NO3)2 = Mn + 2 AgNO3
C2H5NO2 + Cu(CH3COO)2 = C4H8CuN2O4 + CH3COOH =>
2 C2H5NO2 + Cu(CH3COO)2 = C4H8CuN2O4 + 2 CH3COOH
N2 + CO2 = NO + C =>
N2 + CO2 = 2 NO + C
Zn + O2 = ZnO =>
2 Zn + O2 = 2 ZnO
H2S(g) + F2(g) = SF4(g) + HF(g) =>
H2S(g) + 3 F2(g) = SF4(g) + 2 HF(g)
CCl3CHO + CH2CHOH = CH3C(O)CH2COCl + HCl =>
2 CCl3CHO + 4 CH2CHOH = 3 CH3C(O)CH2COCl + 3 HCl
Mg + H2CrO4 = MgCrO4 + H =>
Mg + H2CrO4 = MgCrO4 + 2 H
FeI2 + I2 + KOH = KI + Fe2O3 + H2O =>
2 FeI2 + I2 + 6 KOH = 6 KI + Fe2O3 + 3 H2O
Al2(SO4)3 + Ba(NO3)2 = Al(NO3)3 + BaSO4 =>
Al2(SO4)3 + 3 Ba(NO3)2 = 2 Al(NO3)3 + 3 BaSO4
CuSO4 + BaCI2 = CuCI2 + BaSO4 =>
CuSO4 + BaCI2 = CuCI2 + BaSO4
Na3(PO4) + KCl = NaCl + K3PO4 =>
Na3(PO4) + 3 KCl = 3 NaCl + K3PO4
H2O + O2 + As = HAsO251 =>
2 H2O + 501 O2 + 4 As = 4 HAsO251
Zn + O2 = ZnO =>
2 Zn + O2 = 2 ZnO
Fe2O3 + C2O4 = Fe + C2(O2)4 =>
4 Fe2O3 + 3 C2O4 = 8 Fe + 3 C2(O2)4
CrBr2 + AgNO3 = Cr(NO3)2 + AgBr =>
CrBr2 + 2 AgNO3 = Cr(NO3)2 + 2 AgBr
InCl3 + H2O = In2O3 + HCl =>
2 InCl3 + 3 H2O = In2O3 + 6 HCl
C6H12O + H2 = C6H12 + H2O =>
C6H12O + H2 = C6H12 + H2O
C3H6O2 + KOH = C3H5KO2 + H2O =>
C3H6O2 + KOH = C3H5KO2 + H2O
HNO3 + K(OH) = K(NO3) + H2O =>
HNO3 + K(OH) = K(NO3) + H2O
Cr + HCl = CrCl3 + H2 =>
2 Cr + 6 HCl = 2 CrCl3 + 3 H2
Cl2 + S{2-} + H2O = SO4{2-} + Cl{-} + H{+} =>
4 Cl2 + S{2-} + 4 H2O = SO4{2-} + 8 Cl{-} + 8 H{+}
KOH + C3H6O2 = H2O + KC3H5O2 =>
KOH + C3H6O2 = H2O + KC3H5O2
Sr(NO3)2 + Li2(SO4) = Sr(SO4) + Li(NO3) =>
Sr(NO3)2 + Li2(SO4) = Sr(SO4) + 2 Li(NO3)
Mg(s) + HBr = MgBr2 + H2 =>
Mg(s) + 2 HBr = MgBr2 + H2
NH4 + O2 = NO + H2 =>
2 NH4 + O2 = 2 NO + 4 H2
H2 + F = HF =>
H2 + 2 F = 2 HF
AI(OH)3 + HCl = AICl3 + H2O =>
AI(OH)3 + 3 HCl = AICl3 + 3 H2O
*NH3*2O2 = *HNO3*H2O =>
*NH3*2O2 = *HNO3*H2O
SrBr2 + (NH4)2SO4 = SrSO4 + NH4Br =>
SrBr2 + (NH4)2SO4 = SrSO4 + 2 NH4Br
Sr + HCl = SrCl2 + H2 =>
Sr + 2 HCl = SrCl2 + H2
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
S2O3{-2} + H2O = SO4{-2} + H{+} + {-} =>
S2O3{-2} + 5 H2O = 2 SO4{-2} + 10 H{+} + 8e
Zn + NH4Cl = ZnCl2 + NH4 =>
Zn + 2 NH4Cl = ZnCl2 + 2 NH4
I2 = I =>
I2 = 2 I
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