| Équations équilibrées la veille |
BaCl2Na2SO4 = BaSO4Na2Cl2
PbO2 + SO2 = PbSO4 =>
PbO2 + SO2 = PbSO4
CH2(CH3)2CH2 + O2 = H2O + CO2 =>
2 CH2(CH3)2CH2 + 13 O2 = 10 H2O + 8 CO2
PbS + C20H42 + NaOH = Pb + H2O + Na2S + C =>
21 PbS + C20H42 + 42 NaOH = 21 Pb + 42 H2O + 21 Na2S + 20 C
calciumhydroxide + ammoniumchloride = ammoniumhydroxide + calciumchloride =>
Ca(OH)2 + 2 NH4Cl = 2 NH4OH + CaCl2
Rb3N + CaO = Rb2O + Ca3N2 =>
2 Rb3N + 3 CaO = 3 Rb2O + Ca3N2
Mg + Fe2O3 = Fe + MgO =>
3 Mg + Fe2O3 = 2 Fe + 3 MgO
Na2CO3(aq) + HNO3() = H2CO3(aq) + NaNO3(aq) =>
Na2CO3(aq) + 2 HNO3() = H2CO3(aq) + 2 NaNO3(aq)
Na2(HAsO3) + KBrO3 + HCl = NaCl + KBr + H3AsO4 =>
3 Na2(HAsO3) + KBrO3 + 6 HCl = 6 NaCl + KBr + 3 H3AsO4
C8O4H6 + COH4 = C10O4H10 + H2O =>
C8O4H6 + 2 COH4 = C10O4H10 + 2 H2O
Cr(NH3)6ClO + HClO4 = (NH4)2Cr2O7 + N2 + ClO2 + H2O =>
6 Cr(NH3)6ClO + 46 HClO4 = 3(NH4)2Cr2O7 + 15 N2 + 52 ClO2 + 65 H2O
(NH4)2SO4 + NH4OH = (NH4)2 + OHSO4 =>
2(NH4)2SO4 + 2 NH4OH = 3(NH4)2 + 2 OHSO4
I2(aq) = I2(s) =>
I2(aq) = I2(s)
CaCO3(s) + HCl(aq) = CaCl2(aq)H2CO3 =>
CaCO3(s) + 2 HCl(aq) = CaCl2(aq)H2CO3
Sr(OH)2 + AgNO3 = Sr(NO3)2 + Ag(OH) =>
Sr(OH)2 + 2 AgNO3 = Sr(NO3)2 + 2 Ag(OH)
BaCl2 + Br = BaBr2 + Cl =>
BaCl2 + 2 Br = BaBr2 + 2 Cl
CO + Br = COBr2 =>
CO + 2 Br = COBr2
As + H = AsH3 =>
As + 3 H = AsH3
NiBr2*3H2O + PPh3 = [NiBr2(PPh3)2] + H2O =>
NiBr2*3H2O + 2 PPh3 = [NiBr2(PPh3)2] + 3 H2O
NaOH + HNO3 = NaNO3 + H2O = =>
NaOH + HNO3 = NaNO3 + H2O
Mn(OH)2 + Na2O2 = Na2MnO4 + NaOH =>
Mn(OH)2 + 2 Na2O2 = Na2MnO4 + 2 NaOH
Cu + S = CuS(s) =>
Cu + S = CuS(s)
AlCl3 + NH3 + H2O = Al(OH)3 + NH4 + Cl =>
AlCl3 + 3 NH3 + 3 H2O = Al(OH)3 + 3 NH4 + 3 Cl
LiOH + H2CO3 = Li2CO3 + H2O* =>
2 LiOH + H2CO3 = Li2CO3 + 2 H2O*
NO3 = NO2 + O2 =>
2 NO3 = 2 NO2 + O2
Na2CO3 + CH3COOH = Na(CH3COO) + H2O + CO2 =>
Na2CO3 + 2 CH3COOH = 2 Na(CH3COO) + H2O + CO2
Br + O2 = Br2O3 =>
4 Br + 3 O2 = 2 Br2O3
NaCl + F2 = NaF + Cl2* =>
2 NaCl + F2 = 2 NaF + Cl2*
H2PbO2 + NaOH = Na2PbO2 + H2O =>
H2PbO2 + 2 NaOH = Na2PbO2 + 2 H2O
ZnCO3(s) + HCl(g) = ZnCl2(aq) + H2O(l) + CO2(g) =>
ZnCO3(s) + 2 HCl(g) = ZnCl2(aq) + H2O(l) + CO2(g)
NiSO4 + S2 = NiS + SO2 =>
NiSO4 + S2 = NiS + 2 SO2
HF + LiOH = LiF + H2O =>
HF + LiOH = LiF + H2O
Zn + Co3(PO4)2 = Zn3(PO4)2 + Co2 =>
6 Zn + 2 Co3(PO4)2 = 2 Zn3(PO4)2 + 3 Co2
HCOOH(aq) + Br2(l) = CO2(g) + HBr(aq) =>
HCOOH(aq) + Br2(l) = CO2(g) + 2 HBr(aq)
S + HNO3 = H2SO4 + NO2 + H2O =>
S + 6 HNO3 = H2SO4 + 6 NO2 + 2 H2O
K2[Cu(CN)4] + Hg(NO3)2 = K2(Hg(CN)4) + Cu(NO3)2 =>
K2[Cu(CN)4] + Hg(NO3)2 = K2(Hg(CN)4) + Cu(NO3)2
Fe + HCl + H2O = FeCl3H2O + H2 =>
2 Fe + 6 HCl + 2 H2O = 2 FeCl3H2O + 3 H2
Cl2(l) + HI(l) = HCl(l) + I2(l) =>
Cl2(l) + 2 HI(l) = 2 HCl(l) + I2(l)
AlBr3 + K4SO4 = KBr + Al2 + (SO4)3 =>
4 AlBr3 + 3 K4SO4 = 12 KBr + 2 Al2 + (SO4)3
Ca(CH3COO)2 + (NH4)3PO4 = Ca3(PO4)2 + (NH4)(CH3COO) =>
3 Ca(CH3COO)2 + 2(NH4)3PO4 = Ca3(PO4)2 + 6(NH4)(CH3COO)
MgSO4 + HNO3(g) = Mg(NO3)2(g) + H2SO4(g) =>
MgSO4 + 2 HNO3(g) = Mg(NO3)2(g) + H2SO4(g)
C4H9NH2 + H2SO4 = (C4H9NH3)2SO4 =>
2 C4H9NH2 + H2SO4 = (C4H9NH3)2SO4
Ag(CrO4)2 = Ag + CrO4 =>
Ag(CrO4)2 = Ag + 2 CrO4
NO3 = NO2 + O2 =>
2 NO3 = 2 NO2 + O2
K2Cr2O7 + Fe(NH4)2(SO4)2 + H2SO4 = Fe(SO4)3 + CrSO4 + K2SO4 + (NH4)2 + H2O =>
K2Cr2O7 + 4 Fe(NH4)2(SO4)2 + 7 H2SO4 = 4 Fe(SO4)3 + 2 CrSO4 + K2SO4 + 4(NH4)2 + 7 H2O
Mg2 + Cl{-}1 = Mg2Cl{-}1 =>
Mg2 + Cl{-}1 = Mg2Cl{-}1
Ag3N + CaCl2 = Ag3Cl2 + CaN =>
Ag3N + CaCl2 = Ag3Cl2 + CaN
CO2 + HCl = COCl2 + H2O =>
CO2 + 2 HCl = COCl2 + H2O
CuO + NH4 = CuNH4 + O3 =>
3 CuO + 3 NH4 = 3 CuNH4 + O3
CeN3O9 + SrCl2 = Sr(NO3)2 + CeCl3 =>
2 CeN3O9 + 3 SrCl2 = 3 Sr(NO3)2 + 2 CeCl3
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Équations équilibrées sur11/23/24
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