| Équations équilibrées la veille |
Sn + 2 KOH = K2SnO2 + H2
Ga(OH)3 + HF = GaF3 + H2O =>
Ga(OH)3 + 3 HF = GaF3 + 3 H2O
MgCl2 + H2O + NH3 = Mg(OH)2 + NH4Cl =>
MgCl2 + 2 H2O + 2 NH3 = Mg(OH)2 + 2 NH4Cl
Hg(NO3)2 + NaCl = HgCl2 + NaNO3 =>
Hg(NO3)2 + 2 NaCl = HgCl2 + 2 NaNO3
N2B4O7 + H2O + AgNO3 = AgBO2 + H3BO3 + N2BO3 =>
7 N2B4O7 + 27 H2O + 2 AgNO3 = 2 AgBO2 + 18 H3BO3 + 8 N2BO3
As2S5 + HNO3 + H2O = H3AsO4 + H2SO4 + NO =>
3 As2S5 + 40 HNO3 + 4 H2O = 6 H3AsO4 + 15 H2SO4 + 40 NO
NaHSO3 + HBr = H2SO3 + NaBr =>
NaHSO3 + HBr = H2SO3 + NaBr
H{+} + Zn + VO{2+} = Zn{2} + V{3} + H2O =>
4 H{+} + Zn + 2 VO{2+} = Zn{2} + 2 V{3} + 2 H2O
NH4F + MoO3 + HF = (NH4)2MoO2F4 + H2O =>
2 NH4F + MoO3 + 2 HF = (NH4)2MoO2F4 + H2O
H2S + Cl20 + H2O = HCl + H2SO4 =>
5 H2S + 2 Cl20 + 20 H2O = 40 HCl + 5 H2SO4
KHCO3 + BaCl2 = BaCO3 + KCl + H2O + CO2 =>
2 KHCO3 + BaCl2 = BaCO3 + 2 KCl + H2O + CO2
Rf + O = RfO =>
Rf + O = RfO
Al(NO3)3 + Ca(NO3)2 + NH2CONH2 = CaAl4O7 + CO2 + N2 + H2O =>
12 Al(NO3)3 + 3 Ca(NO3)2 + 35 NH2CONH2 = 3 CaAl4O7 + 35 CO2 + 56 N2 + 70 H2O
C6H5ONa + KCl = C6H5OK + NaCl =>
C6H5ONa + KCl = C6H5OK + NaCl
Al + Al(SO4)3 = Al2SO4 =>
5 Al + Al(SO4)3 = 3 Al2SO4
Na20H20 = Na0H =>
Na20H20 = 20 Na0H
Ca(OH)2(s) + H2S(q) = CaS(aq) + H2O(l) =>
Ca(OH)2(s) + H2S(q) = CaS(aq) + 2 H2O(l)
C2H3O2 + HCl = C2H3O2Cl + H =>
C2H3O2 + HCl = C2H3O2Cl + H
Fe2O3(s) + Al(g) = Fe(s) + Al2O3(s) =>
Fe2O3(s) + 2 Al(g) = 2 Fe(s) + Al2O3(s)
CDI2 + (NH4)2S = CDS + INH4 =>
CDI2 + (NH4)2S = CDS + 2 INH4
Co + Gd{+} = Co{+2} + Gd =>
Co + 2 Gd{+} = Co{+2} + 2 Gd
Li(s) + AuCl3 = LiCl(aq) + Au(s) =>
3 Li(s) + AuCl3 = 3 LiCl(aq) + Au(s)
K + L = KL3 =>
K + 3 L = KL3
NaHSO3 + AlCl3 = Al(OH)3 + NaCl + SO2 =>
3 NaHSO3 + AlCl3 = Al(OH)3 + 3 NaCl + 3 SO2
HNO3 + Na2S = HNO2 + NaNO3 + S + H2O =>
3 HNO3 + Na2S = HNO2 + 2 NaNO3 + S + H2O
CH3CH2CH2OH + Na2Cr2O7 + H2SO4 = CH3CH2COOH + Cr2(SO4)3 + Na2SO3 + H2O =>
2 CH3CH2CH2OH + Na2Cr2O7 + 4 H2SO4 = 2 CH3CH2COOH + Cr2(SO4)3 + Na2SO3 + 6 H2O
Ni(H2O)6(NO3)2 + PPh3 = Ni(NO3)2(PPh3)2(H2O)6 =>
Ni(H2O)6(NO3)2 + 2 PPh3 = Ni(NO3)2(PPh3)2(H2O)6
Ag(s) + S = Ag2S(s) =>
2 Ag(s) + S = Ag2S(s)
Na2SnO3 + Bi(NO3)3 + NaOH = Na2SnO2 + NaBiO3 + NaNO3 + H2O =>
Na2SnO3 + Bi(NO3)3 + 4 NaOH = Na2SnO2 + NaBiO3 + 3 NaNO3 + 2 H2O
MnO2 + HClO3 + KOH = K2MnO4 + KCl + H2O =>
3 MnO2 + HClO3 + 7 KOH = 3 K2MnO4 + KCl + 4 H2O
NH3(aq) + NaClO(aq) = N2H4(aq) + H2O(l) + NaCl(aq) =>
2 NH3(aq) + NaClO(aq) = N2H4(aq) + H2O(l) + NaCl(aq)
CH4(g) + O2 = CO2(g) + H20(l) =>
5 CH4(g) + 5 O2 = 5 CO2(g) + H20(l)
MoS2 + O2 = MoO3 + SO2 =>
2 MoS2 + 7 O2 = 2 MoO3 + 4 SO2
Na2WO4*2H2O + Na2HPO4*7H2O + HCl = H3PW12O40*6H2O + NaCl + H2O =>
12 Na2WO4*2H2O + Na2HPO4*7H2O + 26 HCl = H3PW12O40*6H2O + 26 NaCl + 37 H2O
C65H252O108 + O2 = CO2 + H2O =>
C65H252O108 + 74 O2 = 65 CO2 + 126 H2O
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + C + O =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 C + 6 O
Cu + H{+} + H2NO4{-} = H2O + Cu{+2} + NO =>
3 Cu + 8 H{+} + 2 H2NO4{-} = 6 H2O + 3 Cu{+2} + 2 NO
H2S(s) + O2(g) = H2O(l) + SO2(s) =>
2 H2S(s) + 3 O2(g) = 2 H2O(l) + 2 SO2(s)
Ti(SO4) + H2O2 + H2O = H4TiO5 + H2SO4 =>
Ti(SO4) + 2 H2O2 + H2O = H4TiO5 + H2SO4
HgCl2 + Cu2Ni2 = Cl2Cu2Ni2 + Hg =>
HgCl2 + Cu2Ni2 = Cl2Cu2Ni2 + Hg
NH3 + HBr = NBr2 + H2 =>
2 NH3 + 4 HBr = 2 NBr2 + 5 H2
Cr2O3 + KNO3 + KOH = K2CrO4 + KNO2 + H2O =>
Cr2O3 + 3 KNO3 + 4 KOH = 2 K2CrO4 + 3 KNO2 + 2 H2O
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
CuO + H2 = CuH + OH =>
CuO + H2 = CuH + OH
Mg(OH)2(s) + H3PO4 = Mg3(PO4)2(s) + H2O(l) =>
3 Mg(OH)2(s) + 2 H3PO4 = Mg3(PO4)2(s) + 6 H2O(l)
WF3 + CH4 + O2 = WO2 + HF + CO =>
8 WF3 + 6 CH4 + 11 O2 = 8 WO2 + 24 HF + 6 CO
WCl4 + [(NH4)3OH][SO4] = W(SO4)2 + [(NH4)3OH]Cl2 =>
WCl4 + 2[(NH4)3OH][SO4] = W(SO4)2 + 2[(NH4)3OH]Cl2
Ca5F(PO4)3 + H2SO4 + H2O = CaSO4*2H2O + HF + H3PO4 =>
Ca5F(PO4)3 + 5 H2SO4 + 10 H2O = 5 CaSO4*2H2O + HF + 3 H3PO4
H(ClO4) + KOH = K(ClO4) + H2O =>
H(ClO4) + KOH = K(ClO4) + H2O
(COOH)2 + Na2S = (COONa)2 + H2S =>
(COOH)2 + Na2S = (COONa)2 + H2S
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