| Équations équilibrées la veille |
2 MnO2 + 4 H2SO4 + 2 NaCl = 2 MnSO4 + 2 NaSO4 + Cl2 + 4 H2O
Ca + AlCl3 = CaCl + Al =>
3 Ca + AlCl3 = 3 CaCl + Al
H2O(l) + SO3(g) = H2SO4(g) =>
H2O(l) + SO3(g) = H2SO4(g)
Ni + KBr = NiBr + K =>
Ni + KBr = NiBr + K
Na + NH3 + CO2 + H2O = NaHCO3 + NH4 =>
Na + NH3 + CO2 + H2O = NaHCO3 + NH4
(b)K2O2(s) + H2O(l) = KOH(aq) + O2(g) =>
2(b)K2O2(s) + 2 H2O(l) = 4 KOH(aq) + O2(g)
K + HC = KHC =>
K + HC = KHC
(COO)6Fe2 + KI = FeI3 + (COOK)2 =>
(COO)6Fe2 + 6 KI = 2 FeI3 + 3(COOK)2
S + CaO = SO2 + Ca =>
S + 2 CaO = SO2 + 2 Ca
KNO2 + KBr + H2SO4 = Br2 + K2SO4 + NO + H2O =>
2 KNO2 + 2 KBr + 2 H2SO4 = Br2 + 2 K2SO4 + 2 NO + 2 H2O
C6H8O7 + KOH = K3C6H5O7 + H2O =>
C6H8O7 + 3 KOH = K3C6H5O7 + 3 H2O
La2O3 + CrO3 = La2(CrO)3 + O2 =>
2 La2O3 + 6 CrO3 = 2 La2(CrO)3 + 9 O2
Ca(OH)2 + PO4(H)3 = (Ca)3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 PO4(H)3 = (Ca)3(PO4)2 + 6 H2O
KOH + Cr2O7{2-} = K2CrO4 + H2O + OH{-} =>
4 KOH + Cr2O7{2-} = 2 K2CrO4 + H2O + 2 OH{-}
H2(SO4) = H30 + SO4 =>
15 H2(SO4) = H30 + 15 SO4
O2 + HClO3 = HClO4 =>
O2 + 2 HClO3 = 2 HClO4
N2Cl4 + CH4 = N6 + H2 + CCl4 =>
3 N2Cl4 + 3 CH4 = N6 + 6 H2 + 3 CCl4
C3H6O3 + Mg(OH)2 = C6H10MgO6 + H2O =>
2 C3H6O3 + Mg(OH)2 = C6H10MgO6 + 2 H2O
Sn(OH)2 + NaOH = Na2SnO2 + H2O =>
Sn(OH)2 + 2 NaOH = Na2SnO2 + 2 H2O
Mg + Cr{3} = Mg{2} + Cr =>
3 Mg + 2 Cr{3} = 3 Mg{2} + 2 Cr
Cu3P + HNO3 = Cu(NO3)2 + H3PO4 + NO2 + H2O =>
Cu3P + 17 HNO3 = 3 Cu(NO3)2 + H3PO4 + 11 NO2 + 7 H2O
AgNO3 + Cu + Cl = Cu(NO3)2 + AgCl =>
2 AgNO3 + Cu + 2 Cl = Cu(NO3)2 + 2 AgCl
RbNO3 + Cu = Cu(NO3)2 + Rb =>
2 RbNO3 + Cu = Cu(NO3)2 + 2 Rb
Fe(s) + HCl(ac) + HNO3(ac) = HFeCl4(ac) + NO2(g) + H2O(l) =>
Fe(s) + 4 HCl(ac) + 3 HNO3(ac) = HFeCl4(ac) + 3 NO2(g) + 3 H2O(l)
Br{+} + NO3{-} + H = Br2 + NO + H2O =>
2 Br{+} + 2 NO3{-} + 8 H = Br2 + 2 NO + 4 H2O
ZnO + KOH + H2O = K2[Zn(OH)4] =>
ZnO + 2 KOH + H2O = K2[Zn(OH)4]
Pt(NO3)4 + CaCl2 = PtCl4 + Ca(NO3)2 =>
Pt(NO3)4 + 2 CaCl2 = PtCl4 + 2 Ca(NO3)2
F2 + I = FI =>
F2 + 2 I = 2 FI
Pb + Pd(NO3)2 = Pb(NO3)2 + Pd =>
Pb + Pd(NO3)2 = Pb(NO3)2 + Pd
PH{4}PO{3} = P{2}O + H{2}O =>
PH{4}PO{3} = P{2}O + H{2}O
AgNO3 + HCl = AgCl + HNO3 =>
AgNO3 + HCl = AgCl + HNO3
Xe + O = XeO =>
Xe + O = XeO
Ca + HOH = CaOH + H2 =>
2 Ca + 2 HOH = 2 CaOH + H2
K2SO4(aq) + SrI2(aq) = KI(aq) + SrSO4(aq) =>
K2SO4(aq) + SrI2(aq) = 2 KI(aq) + SrSO4(aq)
[Cr(OH)4]{-} + H2O2 + OH{-} = CrO4{2-} + H2O =>
2[Cr(OH)4]{-} + 3 H2O2 + 2 OH{-} = 2 CrO4{2-} + 8 H2O
Li + H2SO4 = Li(HSO4) + H2 =>
2 Li + 2 H2SO4 = 2 Li(HSO4) + H2
Na2SO3 + H2SO4 = SO2 + Na2SO4 + HOH =>
Na2SO3 + H2SO4 = SO2 + Na2SO4 + HOH
N + O2 = N2O33 =>
4 N + 33 O2 = 2 N2O33
C13H8O5 + O2 = CO2 + H2O =>
2 C13H8O5 + 25 O2 = 26 CO2 + 8 H2O
MnSO4 + Na3PO4 = Na3SO4 + MnPO4 =>
MnSO4 + Na3PO4 = Na3SO4 + MnPO4
HNO3 + Cu = Cu2NO3 + H2O + NO =>
4 HNO3 + 6 Cu = 3 Cu2NO3 + 2 H2O + NO
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
ZnCO3 + H = Zn + CO2 + H2O =>
ZnCO3 + 2 H = Zn + CO2 + H2O
Cr2(CO3)3 + H2O = Cr(OH)3 + H2CO3 =>
Cr2(CO3)3 + 6 H2O = 2 Cr(OH)3 + 3 H2CO3
S + CaO = CaS2O3 + CaS =>
4 S + 3 CaO = CaS2O3 + 2 CaS
HClO4 + Ni = NiClO4 + H2 =>
2 HClO4 + 2 Ni = 2 NiClO4 + H2
Pb(OH)3{-} + Fe(OH)2 + H{+} = Pb + Fe(OH)3 + H2O =>
Pb(OH)3{-} + 2 Fe(OH)2 + H{+} = Pb + 2 Fe(OH)3 + H2O
Na2S = Na + S8 =>
8 Na2S = 16 Na + S8
I + S = IS =>
I + S = IS
C6H6 + HONO2 = C6H5NO2 + H2O =>
C6H6 + HONO2 = C6H5NO2 + H2O
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