| Équations équilibrées la veille |
C7H8N2(s) + 11 O2(g) = 7 CO2(g) + 4 H2O(g) + 2 NO2(g)
AgNO3 + HCl = AgCl + HNO3 =>
AgNO3 + HCl = AgCl + HNO3
N + F2 = NF =>
2 N + F2 = 2 NF
He + H2 + Li9 = HeH2Li =>
9 He + 9 H2 + Li9 = 9 HeH2Li
Na2CrO4 + Na2S + HCl = CrCl3 + NaCl + S + NaOH =>
2 Na2CrO4 + 3 Na2S + 8 HCl = 2 CrCl3 + 2 NaCl + 3 S + 8 NaOH
XC3H7 + KMnO4 + H2SO4 = XCOOH + K2SO4 + MnSO4 + H2O + CO2 =>
5 XC3H7 + 18 KMnO4 + 27 H2SO4 = 5 XCOOH + 9 K2SO4 + 18 MnSO4 + 42 H2O + 10 CO2
Fe2(SO4)3 + SCNK = Fe2((SCN)2(SO4)2) + K2SO4 =>
Fe2(SO4)3 + 2 SCNK = Fe2((SCN)2(SO4)2) + K2SO4
FeBr3 + RaSO4 = Fe2(SO4)3 + RaBr2 =>
2 FeBr3 + 3 RaSO4 = Fe2(SO4)3 + 3 RaBr2
[Co(NH3)6] + (NH4)2S = CoS + H2 + N2 =>
[Co(NH3)6] + (NH4)2S = CoS + 13 H2 + 4 N2
SO2 + Ba(OH)2 = SO4 + Ba + H =>
SO2 + Ba(OH)2 = SO4 + Ba + 2 H
Fe(Cl)3 + NaI = FeI2 + NaCl + I2 =>
2 Fe(Cl)3 + 6 NaI = 2 FeI2 + 6 NaCl + I2
H2 + Cl = H2(Cl) =>
H2 + Cl = H2(Cl)
Ni(OH)2 + CoSO4 = NiSO4 + Co(OH)2 =>
Ni(OH)2 + CoSO4 = NiSO4 + Co(OH)2
K2CrO4 + KNO2 + H2O + KOH = KNO3 + K3[Cr(OH)6] =>
2 K2CrO4 + 3 KNO2 + 5 H2O + 2 KOH = 3 KNO3 + 2 K3[Cr(OH)6]
NaCl + Ba(OH){2} = NaOH + BaCl{2} =>
NaCl + Ba(OH){2} = NaOH + BaCl{2}
CH3COOH + K2CO3 = (CH3COO)K + H2O + CO2 =>
2 CH3COOH + K2CO3 = 2(CH3COO)K + H2O + CO2
Ca3N2 + Cl2 = CaCl2 + N2 =>
Ca3N2 + 3 Cl2 = 3 CaCl2 + N2
Ca + O2 = CaO = Ca(OH)2 =>
2 Ca + O2 = 2 CaO
KBr + MnO2 + H2SO4 = Br2 + K2SO4 + MnSO4 + H2O =>
2 KBr + MnO2 + 2 H2SO4 = Br2 + K2SO4 + MnSO4 + 2 H2O
ZnCl2 + H = Zn + HCl2 =>
ZnCl2 + H = Zn + HCl2
Fe2(SO4)3 + Ba(SCN)2 = Fe(SCN)3 + BaSO4 =>
Fe2(SO4)3 + 3 Ba(SCN)2 = 2 Fe(SCN)3 + 3 BaSO4
CuSO4*5H2O + H2O = [Cu(H2O)6]{2+} + SO4{2-} =>
CuSO4*5H2O + H2O = [Cu(H2O)6]{2+} + SO4{2-}
CH3CHCH2 + HCl = CH3CHClCH3 =>
CH3CHCH2 + HCl = CH3CHClCH3
CH3CHCH2Br2 + NaOH = CH3CCH + NaBr + H2O =>
CH3CHCH2Br2 + 2 NaOH = CH3CCH + 2 NaBr + 2 H2O
AgF + NH4I = AgI + NH4F =>
AgF + NH4I = AgI + NH4F
CH3NCO + H2O = HNCO + CH3OH =>
CH3NCO + H2O = HNCO + CH3OH
H2AsO3 + H2O = HAsO3 + H3O =>
H2AsO3 + H2O = HAsO3 + H3O
BaCO3 + HCl = H2CO3 + BaCl2 =>
BaCO3 + 2 HCl = H2CO3 + BaCl2
[Cu(NH3)4]SO4 + CH3COOH = CuSO4 + CH3COONH4 =>
[Cu(NH3)4]SO4 + 4 CH3COOH = CuSO4 + 4 CH3COONH4
FeBr2 + Li2S = FeS + LiBr =>
FeBr2 + Li2S = FeS + 2 LiBr
Zn + Pb3(PO4)2 = Pb + Zn3(PO4)2 =>
3 Zn + Pb3(PO4)2 = 3 Pb + Zn3(PO4)2
N2O5 + Cu2O = N2Cu2O6 =>
N2O5 + Cu2O = N2Cu2O6
I2 + Na2S2O3 = NaI + Na2S4O6 =>
I2 + 2 Na2S2O3 = 2 NaI + Na2S4O6
C4H10 + CH4 = C3H8 =>
2 C4H10 + CH4 = 3 C3H8
NaHCO3 + H2O = NaOH + H2CO3 =>
NaHCO3 + H2O = NaOH + H2CO3
K2[Sn(OH)4] + K2CrO4 + H2O = K[Cr(OH)4] + K2[Sn(OH)6] + KOH =>
3 K2[Sn(OH)4] + 2 K2CrO4 + 8 H2O = 2 K[Cr(OH)4] + 3 K2[Sn(OH)6] + 2 KOH
CoCl2*2H2O + H2O = CoCl2*6H2O =>
CoCl2*2H2O + 4 H2O = CoCl2*6H2O
NaCl + Ca3P2 = CaCl2 + Na3P =>
6 NaCl + Ca3P2 = 3 CaCl2 + 2 Na3P
HCl + H2S = Cl2S + H2 =>
2 HCl + H2S = Cl2S + 2 H2
(CH3)2NH + HNO2 = (CH3)2NH2{+} + NO2{-} =>
(CH3)2NH + HNO2 = (CH3)2NH2{+} + NO2{-}
Ag2O + NH3 + H2O = Ag(NH3)2OH =>
Ag2O + 4 NH3 + H2O = 2 Ag(NH3)2OH
Fe(NO3)3 + HCl = FeCl3 + NO3H =>
Fe(NO3)3 + 3 HCl = FeCl3 + 3 NO3H
CrO4{2-}(aq) + H2O(l) + HSnO2{-} = CrO2{-}(aq) + OH{-}(aq) + HSnO3{-}(aq) =>
2 CrO4{2-}(aq) + H2O(l) + 3 HSnO2{-} = 2 CrO2{-}(aq) + 2 OH{-}(aq) + 3 HSnO3{-}(aq)
CH3CH2OH + KMnO4 + HNO3 = CH3COOH + Mn(NO3)2 + H2O + KNO3 =>
5 CH3CH2OH + 4 KMnO4 + 12 HNO3 = 5 CH3COOH + 4 Mn(NO3)2 + 11 H2O + 4 KNO3
H2O + AgI = Ag2O + HI =>
H2O + 2 AgI = Ag2O + 2 HI
Al2O3(s) + NaOH(ac) + H2O(l) = Na3(Al(OH)6)(ac) =>
Al2O3(s) + 6 NaOH(ac) + 3 H2O(l) = 2 Na3(Al(OH)6)(ac)
K2CO3 + SrBr2 = KBr + SrCO3 =>
K2CO3 + SrBr2 = 2 KBr + SrCO3
KBr + AgNO3 = AgBr + KNO3 =>
KBr + AgNO3 = AgBr + KNO3
Ca + NaOH = CaNaOH =>
Ca + NaOH = CaNaOH
Na2S + BaCl2 = Na2Cl2 + BaS =>
Na2S + BaCl2 = Na2Cl2 + BaS
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