| Équations équilibrées la veille |
8 OH{-} + Mn2{+} + 7 Al3{+} = 2 MnO2 + 21 Al + 4 H2O
(C2H4)20000 + O2 = CO + H2O =>
(C2H4)20000 + 40000 O2 = 40000 CO + 40000 H2O
P4 + O2 = P4O10 =>
P4 + 5 O2 = P4O10
C + H2SO4 = CH2SO4 =>
C + H2SO4 = CH2SO4
K5 = K6 =>
6 K5 = 5 K6
OH{-} + Br2 = BrO3{-} + Br{-} + H2O =>
6 OH{-} + 3 Br2 = BrO3{-} + 5 Br{-} + 3 H2O
Be(s) + HCl(aq) = BeH + Cl =>
Be(s) + HCl(aq) = BeH + Cl
KI + H2SO4 + H2O2 = H2O + K2SO4 + I2 =>
2 KI + H2SO4 + H2O2 = 2 H2O + K2SO4 + I2
KOH + H2SO4 = H2O + K2SO4 =>
2 KOH + H2SO4 = 2 H2O + K2SO4
HF + Cu + O2 = CuF2 + H2O =>
4 HF + 2 Cu + O2 = 2 CuF2 + 2 H2O
CuCl + HNO3 = Cu(NO3)2 + NO2 + H2O + Cl2 =>
2 CuCl + 8 HNO3 = 2 Cu(NO3)2 + 4 NO2 + 4 H2O + Cl2
NH2SO3H + HNO2 = H2SO4 + N2 + H2O =>
NH2SO3H + HNO2 = H2SO4 + N2 + H2O
Cu + S = Cu2S =>
2 Cu + S = Cu2S
Ba(OH)2 + HCl = BaCl2 + H2O =>
Ba(OH)2 + 2 HCl = BaCl2 + 2 H2O
K2Cr2O7 + HCl = KCl + CrCl3 + H2O + Cl2 =>
K2Cr2O7 + 14 HCl = 2 KCl + 2 CrCl3 + 7 H2O + 3 Cl2
P4 + O2 = P4O10 =>
P4 + 5 O2 = P4O10
Ca3(PO4)2 + SiO2 + C = CaSiO3 + P4 + CO =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = 6 CaSiO3 + P4 + 10 CO
C + SO2 = CS2 + CO =>
5 C + 2 SO2 = CS2 + 4 CO
Ba(OH)2 + HA = BaA2 + HOH =>
Ba(OH)2 + 2 HA = BaA2 + 2 HOH
C + SO2 = CS2 + CO =>
5 C + 2 SO2 = CS2 + 4 CO
Ag(s) + HNO3 = AgNO3 + NO + H2O =>
3 Ag(s) + 4 HNO3 = 3 AgNO3 + NO + 2 H2O
CH3COOH + H2SO4 = CH3COOHH2SO4 =>
CH3COOH + H2SO4 = CH3COOHH2SO4
potassium + nitrogen = KN =>
2 K + N2 = 2 KN
N2 + O2 = NO =>
N2 + O2 = 2 NO
NaH2PO2 + CaOCl2 + NaOH = Ca3(PO4)2 + NaCl + H2O + CaCl2 =>
2 NaH2PO2 + 4 CaOCl2 + 4 NaOH = Ca3(PO4)2 + 6 NaCl + 4 H2O + CaCl2
Fe3 = Fe2 =>
2 Fe3 = 3 Fe2
CH3CHCl2 + NaOH = CH3CHO + NaCl + H2O =>
CH3CHCl2 + 2 NaOH = CH3CHO + 2 NaCl + H2O
P4 + O2 = P2O3 =>
P4 + 3 O2 = 2 P2O3
Sr(NO3)2 + Na2CO3 = SrCO3 + NaNO3 =>
Sr(NO3)2 + Na2CO3 = SrCO3 + 2 NaNO3
S + HNO3 = H2SO4 + NO2 + H2O =>
S + 6 HNO3 = H2SO4 + 6 NO2 + 2 H2O
Cl2 + KI = K(Cl2) + I =>
Cl2 + KI = K(Cl2) + I
Li + H2O = H + LiO =>
Li + H2O = 2 H + LiO
Fe2O3 + C = CO + Fe =>
Fe2O3 + 3 C = 3 CO + 2 Fe
CH3Cl + Cl2 = CH2Cl2 + HCl =>
CH3Cl + Cl2 = CH2Cl2 + HCl
P4 + Br2 = PBr3 =>
P4 + 6 Br2 = 4 PBr3
S + HNO3 = H2SO4 + NO2 + H2O =>
S + 6 HNO3 = H2SO4 + 6 NO2 + 2 H2O
MoO3 + H2SO4 = MoO2 + H2SO5 =>
MoO3 + H2SO4 = MoO2 + H2SO5
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
Ca3(PO4)2 + SiO2 + C = CaSiO3 + P4 + CO =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = 6 CaSiO3 + P4 + 10 CO
Al + N2 = AlN =>
2 Al + N2 = 2 AlN
H2CO3 + AuCl3 = HCl + Au2(CO3)3 =>
3 H2CO3 + 2 AuCl3 = 6 HCl + Au2(CO3)3
N2H5Cl = N2H4 + HCl =>
N2H5Cl = N2H4 + HCl
Ca3(PO4)2 + SiO2 + C = CaSiO3 + CO + P =>
Ca3(PO4)2 + 3 SiO2 + 5 C = 3 CaSiO3 + 5 CO + 2 P
NH4VO3 + Na[BH4] + H2O = NH4[VO(OH)3] + B(OH)3 + NaOH =>
8 NH4VO3 + Na[BH4] + 12 H2O = 8 NH4[VO(OH)3] + B(OH)3 + NaOH
Zn + S = ZnS =>
Zn + S = ZnS
Ba(NO3)2 + NH4Cl = BaCl2 + NO3NH4 =>
Ba(NO3)2 + 2 NH4Cl = BaCl2 + 2 NO3NH4
Ca(NO3)2 + H3PO4 = Ca3(PO4)2 + HNO3 =>
3 Ca(NO3)2 + 2 H3PO4 = Ca3(PO4)2 + 6 HNO3
C2O4{2-} = CO2{-} =>
C2O4{2-} = 2 CO2{-}
P4 + Br2 = PBr3 =>
P4 + 6 Br2 = 4 PBr3
Fe + SCN + Na2HPO4 = FeHPO4 + SCNNa =>
Fe + 2 SCN + Na2HPO4 = FeHPO4 + 2 SCNNa
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