| Équations équilibrées la veille |
2 NaI(aq) + Cl2(aq) = 2 NaCl + I2
Ca{2+} + N{3-} = Ca3N2 =>
3 Ca{2+} + 2 N{3-} = Ca3N2
KMnO4 + SO2 + H2O = K2SO2 + MnSO4 + H2SO4 =>
2 KMnO4 + 7 SO2 + 4 H2O = K2SO2 + 2 MnSO4 + 4 H2SO4
CaCl2 + HCl = CaHCl + Cl2 =>
CaCl2 + HCl = CaHCl + Cl2
CaC2 + N = C + CaNCN =>
CaC2 + 2 N = C + CaNCN
C2 + H2 + O2 = CH3OH =>
C2 + 4 H2 + O2 = 2 CH3OH
NaF + Fe = Fe(NaF) =>
NaF + Fe = Fe(NaF)
Mg(NO3)2 = Mg + NO2 + O =>
Mg(NO3)2 = Mg + 2 NO2 + 2 O
H2SO4 + CaCO3 + H2O = CaSO4H4O2 + CO2 =>
H2SO4 + CaCO3 + H2O = CaSO4H4O2 + CO2
MnI2 = Mn + I2 =>
MnI2 = Mn + I2
Ca3(PO4)2 + AlCl3 = CaCl2 + Al(PO4) =>
Ca3(PO4)2 + 2 AlCl3 = 3 CaCl2 + 2 Al(PO4)
NaHCO3(s) + COOH(ac) = Na2(COO)2 + H2 + CO3 =>
2 NaHCO3(s) + 2 COOH(ac) = Na2(COO)2 + 2 H2 + 2 CO3
KJ + H2O2 + H2SO4 = K2SO4 + J2 + H2O =>
2 KJ + H2O2 + H2SO4 = K2SO4 + J2 + 2 H2O
Mn + NaNO3 + NaOH = Na2MnO4 + NaNO2 + H2O =>
Mn + 3 NaNO3 + 2 NaOH = Na2MnO4 + 3 NaNO2 + H2O
V2(SO4)3 + NaOH + O2 = VO(OH)2 + Na2SO4 + H2O =>
2 V2(SO4)3 + 12 NaOH + O2 = 4 VO(OH)2 + 6 Na2SO4 + 2 H2O
Cr + Cl2 = CrCl3 =>
2 Cr + 3 Cl2 = 2 CrCl3
HgCl2 + CH3SiF5K2 = CH3HgCH3 + ClSiF5K2 =>
HgCl2 + 2 CH3SiF5K2 = CH3HgCH3 + 2 ClSiF5K2
H2SO4 + NH4OH = H2O + (NH4)2SO4 =>
H2SO4 + 2 NH4OH = 2 H2O + (NH4)2SO4
Na2CrO4 + KI = NaI + K2CrO4 =>
Na2CrO4 + 2 KI = 2 NaI + K2CrO4
Ca3(PO4)2(s) + H2SO4(aq) = CaSO4(s) + H3PO4(aq) =>
Ca3(PO4)2(s) + 3 H2SO4(aq) = 3 CaSO4(s) + 2 H3PO4(aq)
Mg + Zn(SO4)2 = Mg(SO4) + Zn =>
2 Mg + Zn(SO4)2 = 2 Mg(SO4) + Zn
SnCl2 + H2SO4 + KMnO4 = SnCl4 + Sn(SO4)2 + K2SO4 + MnSO4 + H2O =>
10 SnCl2 + 16 H2SO4 + 4 KMnO4 = 5 SnCl4 + 5 Sn(SO4)2 + 2 K2SO4 + 4 MnSO4 + 16 H2O
Ca(NO3)2 = CaO + N2 + O2 =>
2 Ca(NO3)2 = 2 CaO + 2 N2 + 5 O2
B + O3 = BO2 =>
3 B + 2 O3 = 3 BO2
C2H8 + O2 = CO2 + H2O000000000000000000000000000000000000000000000000000 =>
C2H8 + 4 O2 = 2 CO2 + 4 H2O000000000000000000000000000000000000000000000000000
BaOH + HC2H3O2 = BaC2H3O2 + HOH =>
BaOH + HC2H3O2 = BaC2H3O2 + HOH
H3PO4 + BrNa = HBr + Na3PO4 =>
H3PO4 + 3 BrNa = 3 HBr + Na3PO4
Fe(SCN)3 + Na2SO3 + H2SO4 = FeSO4 + (SCN)2 + Na2S + H2O =>
6 Fe(SCN)3 + 2 Na2SO3 + 6 H2SO4 = 6 FeSO4 + 9(SCN)2 + 2 Na2S + 6 H2O
O2 + Cl2 = O2Cl7 =>
2 O2 + 7 Cl2 = 2 O2Cl7
O{-}4 = O{-}6 =>
O{-}4 = O{-}6
CH3COOH4H9 + O2 = C + H2O =>
CH3COOH4H9 + 3 O2 = 2 C + 8 H2O
C7H5O6N3 + O2 = CO2 + N2 + H2O =>
4 C7H5O6N3 + 21 O2 = 28 CO2 + 6 N2 + 10 H2O
H2O + Cl2 = H3Cl4 + O2 =>
6 H2O + 8 Cl2 = 4 H3Cl4 + 3 O2
C2H4(g) + O2(g) = CO2(g) + H2O(g) =>
C2H4(g) + 3 O2(g) = 2 CO2(g) + 2 H2O(g)
K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + O2 + H2O =>
2 K2Cr2O7 + 8 H2SO4 = 2 K2SO4 + 2 Cr2(SO4)3 + 3 O2 + 8 H2O
H2O + N + O2 = HNO2 =>
2 H2O + 4 N + 3 O2 = 4 HNO2
P4 + NaHO + H2O = PH3 + Na2HPO3 =>
P4 + 4 NaHO + 2 H2O = 2 PH3 + 2 Na2HPO3
Na5 + H2 = NaH =>
2 Na5 + 5 H2 = 10 NaH
CH3CONH2 + LiAlH4 + H = CH3CH2NH2 + LiAlOH4 =>
CH3CONH2 + LiAlH4 + 2 H = CH3CH2NH2 + LiAlOH4
NH2(CrO4) = CrO3 + N + H2O =>
NH2(CrO4) = CrO3 + N + H2O
NH2CH2COOHKOH = NH2CH2COOKH2O =>
NH2CH2COOHKOH = NH2CH2COOKH2O
ClC6H4CHO + Cr2O7{2-} + H{+} = ClC6H4COOH + Cr{3+} + H2O =>
3 ClC6H4CHO + Cr2O7{2-} + 8 H{+} = 3 ClC6H4COOH + 2 Cr{3+} + 4 H2O
Ag + NO3 = AgNO3 =>
Ag + NO3 = AgNO3
PCl5 + H2O = H3PO4 + H + Cl =>
PCl5 + 4 H2O = H3PO4 + 5 H + 5 Cl
KMnO4 + Na2HSO3 = Na2SO4 + MnO2 + KOH =>
KMnO4 + Na2HSO3 = Na2SO4 + MnO2 + KOH
Fe3C + Cr2O3 = Cr23C6 + FeO + CO2 =>
93 Fe3C + 115 Cr2O3 = 10 Cr23C6 + 279 FeO + 33 CO2
Fe + HNO3(pr) = Fe(NO3)2 + N2 + H2O =>
5 Fe + 12 HNO3(pr) = 5 Fe(NO3)2 + N2 + 6 H2O
AgClO + HCl = AgCl + HClO3 =>
3 AgClO + HCl = 3 AgCl + HClO3
MnSO4 + KIO4 + H2O + K2SO4 = KMnO4 + KIO3 + H2SO4 =>
2 MnSO4 + 5 KIO4 + 3 H2O + K2SO4 = 2 KMnO4 + 5 KIO3 + 3 H2SO4
HCHO + Na = HCONa + H2 =>
2 HCHO + 2 Na = 2 HCONa + H2
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