| Équations équilibrées la veille | Équations équilibrées le lendemain |
NiSO4(aq) + 2 NaOH(aq) = Na2SO4 + Ni(OH)2(col)
NiSO4(aq) + Na2CO3(aq) = NiCO3(col) + Na2SO4(aq) =>
NiSO4(aq) + Na2CO3(aq) = NiCO3(col) + Na2SO4(aq)
FeO2(s) + H20(g) = Fe(OH)2 =>
10 FeO2(s) + H20(g) = 10 Fe(OH)2
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
NO2 + H20 = HNO3 + NO =>
40 NO2 + H20 = 20 HNO3 + 20 NO
(NH4)3PO4 + Pb(NO3)4 = Pb3(PO4)4 + NH4NO3 =>
4(NH4)3PO4 + 3 Pb(NO3)4 = Pb3(PO4)4 + 12 NH4NO3
H2 + N2 = NH3 =>
3 H2 + N2 = 2 NH3
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
SeCl6 + O2 = SeO2 + Cl2 =>
SeCl6 + O2 = SeO2 + 3 Cl2
KMnO4 + K2SO3 + H2O = K2SO4 + MnO2 + KOH =>
2 KMnO4 + 3 K2SO3 + H2O = 3 K2SO4 + 2 MnO2 + 2 KOH
NO2 + H2O = HNO3 + NH =>
6 NO2 + 3 H2O = 5 HNO3 + NH
C2H6 + O2 = H2O + CO2 =>
2 C2H6 + 7 O2 = 6 H2O + 4 CO2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
W + C2 = WC =>
2 W + C2 = 2 WC
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
SnO2 + H2 = Sn + H2O =>
SnO2 + 2 H2 = Sn + 2 H2O
P4(s) + H2(g) = PH3(g) =>
P4(s) + 6 H2(g) = 4 PH3(g)
CO2 + H2O + K2CO3 = KHCO3 =>
CO2 + H2O + K2CO3 = 2 KHCO3
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
KMnO4 = K2O + MnO + O2 =>
4 KMnO4 = 2 K2O + 4 MnO + 5 O2
C2H5OH + I2 + NaOH = CHI3 + CO2HNa + H2ONaI =>
C2H5OH + 4 I2 + 6 NaOH = CHI3 + CO2HNa + 5 H2ONaI
W + S = WS =>
W + S = WS
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
H3PO4 + NaOH = Na3PO4 + H2O =>
H3PO4 + 3 NaOH = Na3PO4 + 3 H2O
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
Na3PO4 + H3PO4 = Na2HPO4 =>
2 Na3PO4 + H3PO4 = 3 Na2HPO4
C10H22 + O2 = CO2 + H2O =>
2 C10H22 + 31 O2 = 20 CO2 + 22 H2O
SiC + CO2 = SiO2 + CO =>
SiC + 3 CO2 = SiO2 + 4 CO
MnO + PbO2 + HCl + KCl = KMnO4 + PbCl2 + H2O =>
2 MnO + 5 PbO2 + 8 HCl + 2 KCl = 2 KMnO4 + 5 PbCl2 + 4 H2O
Ag + HNO3 = AgNO3 + NO + H2O =>
3 Ag + 4 HNO3 = 3 AgNO3 + NO + 2 H2O
KHSO4 + NaOH = H2O + NaKSO4 =>
KHSO4 + NaOH = H2O + NaKSO4
BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
W + Se = WSe =>
W + Se = WSe
FEO3 + CO = FE + CO2 =>
FEO3 + 3 CO = FE + 3 CO2
Cu5FeS4 + O2 = Fe2O + Cu2S + SO2 =>
4 Cu5FeS4 + 7 O2 = 2 Fe2O + 10 Cu2S + 6 SO2
Ca(OH)2 + H3PO4 = CaHPO4 + H2O =>
Ca(OH)2 + H3PO4 = CaHPO4 + 2 H2O
(NH4)3PO4 + Pb(NO3)4 = Pb3(PO4)4 + NH4NO3 =>
4(NH4)3PO4 + 3 Pb(NO3)4 = Pb3(PO4)4 + 12 NH4NO3
Mg + HCl = MgCl2 + H =>
Mg + 2 HCl = MgCl2 + 2 H
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
NO(g) + Cl2(g) = NOCl(g) =>
2 NO(g) + Cl2(g) = 2 NOCl(g)
SeCl6 + O2 = SeO2 + Cl2 =>
SeCl6 + O2 = SeO2 + 3 Cl2
Na2CO3 = Na2O + CO2 =>
Na2CO3 = Na2O + CO2
Sn2 + Ag{-} = ({-})Sn + Ag2{+} =>
3 Sn2 + 4 Ag{-} = 6({-})Sn + 2 Ag2{+}
Zn + NaOH + H2O = NaZn(OH)4 + H2 =>
2 Zn + 2 NaOH + 6 H2O = 2 NaZn(OH)4 + 3 H2
N2H4 + HO = N2 + H2O =>
N2H4 + 4 HO = N2 + 4 H2O
HF + Si = SiF4 + H2 =>
4 HF + Si = SiF4 + 2 H2
PbCl2 + AgNO3 = Pb(NO3)2 + AgCl =>
PbCl2 + 2 AgNO3 = Pb(NO3)2 + 2 AgCl
NH2 + HO = N2 + H2O =>
2 NH2 + 4 HO = N2 + 4 H2O
H2C2O4*2H2O + K2C2O4*H2O + K2Cr2O7 = K3[Cr(C2O4)]*3H2O + CO2 + H2O =>
7 H2C2O4*2H2O + 2 K2C2O4*H2O + K2Cr2O7 = 2 K3[Cr(C2O4)]*3H2O + 14 CO2 + 17 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur01/22/13
Équations équilibrées sur02/21/12
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