| Équations équilibrées la veille |
S + 2 KI = I2 + K2S
SO2 + H2 = S + H2O =>
SO2 + 2 H2 = S + 2 H2O
CH3OH + HCI = CH3CI + H2O =>
CH3OH + HCI = CH3CI + H2O
Cr2(SO4)3 + (NH4)2S2O8 + H2O = (NH4)2CrO4 + (NH4)2SO4 + H2SO4 =>
Cr2(SO4)3 + 3(NH4)2S2O8 + 8 H2O = 2(NH4)2CrO4 + (NH4)2SO4 + 8 H2SO4
Cr2O3 + NaBrO3 + H2O = Na2Cr2O3 + H2Cr2O7 + Br2 =>
3 Cr2O3 + 2 NaBrO3 + 2 H2O = Na2Cr2O3 + 2 H2Cr2O7 + Br2
KClO3 + (COOH)2 + H2SO4 = ClO2 + CO2 + H2O + KHSO4 =>
2 KClO3 + (COOH)2 + 2 H2SO4 = 2 ClO2 + 2 CO2 + 2 H2O + 2 KHSO4
K3[Fe(C2O4)3] + HCl = K3[FeCl6] + H2C2O4 =>
K3[Fe(C2O4)3] + 6 HCl = K3[FeCl6] + 3 H2C2O4
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
C2H2 + H2 = C2H6 =>
C2H2 + 2 H2 = C2H6
CH3COOH + NaOH = CH3COONa + H2O =>
CH3COOH + NaOH = CH3COONa + H2O
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
LiCl + Na2HPO4 = Li3PO4 + NaCl + HCl =>
3 LiCl + Na2HPO4 = Li3PO4 + 2 NaCl + HCl
Na + (H)2O = NaOH + (H)2 =>
2 Na + 2(H)2O = 2 NaOH + (H)2
Si + KOH = K3SiO3 + H2 =>
2 Si + 6 KOH = 2 K3SiO3 + 3 H2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
(NH4)2CO3 + CaCl2 = CaCO3 + NH4Cl =>
(NH4)2CO3 + CaCl2 = CaCO3 + 2 NH4Cl
MnO2 + KCIO2 + KOH = K2MnO4 + KCI + H2O =>
2 MnO2 + KCIO2 + 4 KOH = 2 K2MnO4 + KCI + 2 H2O
S + HNO3 = H2SO4 + NO2 + H2O =>
S + 6 HNO3 = H2SO4 + 6 NO2 + 2 H2O
C20H42 + O2 = CO2 + H2O =>
2 C20H42 + 61 O2 = 40 CO2 + 42 H2O
C7H6O3 + Na2CO3 = C7H5NaO3 + CO2 + H2O =>
2 C7H6O3 + Na2CO3 = 2 C7H5NaO3 + CO2 + H2O
NO3{-} + NH3 = NH3{-} + NO3 =>
NO3{-} + NH3 = NH3{-} + NO3
Zn + H{+} + H2O = [Zn(H2O)6]{+} + H2 =>
2 Zn + 2 H{+} + 12 H2O = 2[Zn(H2O)6]{+} + H2
Ca(NO3)2 + P2(SO4)3 = Ca(SO4) + P(NO3)3 =>
3 Ca(NO3)2 + P2(SO4)3 = 3 Ca(SO4) + 2 P(NO3)3
R2D2 + C3PO = RC2 + D2P + RO2 =>
2 R2D2 + 2 C3PO = 3 RC2 + 2 D2P + RO2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
BaH2O = BaOH2 =>
BaH2O = BaOH2
Cr + (OH)2 = CrOH2O =>
Cr + (OH)2 = CrOH2O
NaOH + CHCl3 + C6H10 = C7H10Cl2 + NaCl + H2O =>
NaOH + CHCl3 + C6H10 = C7H10Cl2 + NaCl + H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
C5H10 + O2 = CO2 + H2O =>
2 C5H10 + 15 O2 = 10 CO2 + 10 H2O
Cu(s) + AgNO2(aq) = Cu(NO2)2(aq) + Ag(s) =>
Cu(s) + 2 AgNO2(aq) = Cu(NO2)2(aq) + 2 Ag(s)
NI3 = N2 + I2 =>
2 NI3 = N2 + 3 I2
Ag(NH3)2 + NaOH = AgOH + NH3 + Na =>
Ag(NH3)2 + NaOH = AgOH + 2 NH3 + Na
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
H2 + NF3 = N + HF =>
3 H2 + 2 NF3 = 2 N + 6 HF
AgNO3 + K3PO = Ag3PO + KNO3 =>
3 AgNO3 + K3PO = Ag3PO + 3 KNO3
P2O5 + C = P + CO =>
P2O5 + 5 C = 2 P + 5 CO
Fe + ClO4 = Fe(ClO4)2 =>
Fe + 2 ClO4 = Fe(ClO4)2
K2Cr2O7 + FeCl2 + HCl = CrCl3 + FeCl3 + H2O + KCl =>
K2Cr2O7 + 6 FeCl2 + 14 HCl = 2 CrCl3 + 6 FeCl3 + 7 H2O + 2 KCl
NH4 + NO3 = N2 + H2O =>
6 NH4 + 4 NO3 = 5 N2 + 12 H2O
C5H90 + O2 = CO2 + H2O =>
2 C5H90 + 55 O2 = 10 CO2 + 90 H2O
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
UO2 + O2 = UO3 =>
2 UO2 + O2 = 2 UO3
AuCl = AuCl3 + Au =>
3 AuCl = AuCl3 + 2 Au
FeO + CO = Fe + CO2 =>
FeO + CO = Fe + CO2
Fe2S3 + CaO = Fe2O3 + CaS =>
Fe2S3 + 3 CaO = Fe2O3 + 3 CaS
AuCl3 + SnCl = SnCl2 + Au =>
AuCl3 + 3 SnCl = 3 SnCl2 + Au
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Équations équilibrées sur10/21/24
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