| Équations équilibrées la veille |
2 KMnO4 + H2CO + 2 KOH = 2 K2MnO4 + HCOOH + H2O
NO3(g) + CO(g) = N2(g) + CO2(g) =>
2 NO3(g) + 6 CO(g) = N2(g) + 6 CO2(g)
B + O2 = B2O3 =>
4 B + 3 O2 = 2 B2O3
KNaC4H4O6(ac) + H2O2 = CO2 + NaOH + KOH + H2O(l) =>
KNaC4H4O6(ac) + 5 H2O2 = 4 CO2 + NaOH + KOH + 6 H2O(l)
SiF4 + F{-} = SiF5{-} =>
SiF4 + F{-} = SiF5{-}
Fe(aq) + HCl(aq) = FeCl3(aq) + H2(aq) =>
2 Fe(aq) + 6 HCl(aq) = 2 FeCl3(aq) + 3 H2(aq)
Pb(OH)4{-}2 + Cl2{-} = PbO2 + Cl{-} + H2O =>
Pb(OH)4{-}2 + Cl2{-} = PbO2 + 2 Cl{-} + 2 H2O
Zn + Pb4NO2 = ZnNO2 + Pb4 =>
Zn + Pb4NO2 = ZnNO2 + Pb4
CH3COCH3(l) + O2 = CO2(g) + H2O(g) =>
CH3COCH3(l) + 4 O2 = 3 CO2(g) + 3 H2O(g)
LiNO = Li + NO =>
LiNO = Li + NO
CH3CH2NH2 + HNO3 = N2 + H2O + CH3CH2OH =>
5 CH3CH2NH2 + 3 HNO3 = 4 N2 + 4 H2O + 5 CH3CH2OH
H2SO4 + HNO3 = NO3SO4 + H =>
H2SO4 + HNO3 = NO3SO4 + 3 H
S + NO3{-} + H2O = SO4{2-} + N2 + H{+} =>
5 S + 6 NO3{-} + 2 H2O = 5 SO4{2-} + 3 N2 + 4 H{+}
C6H6 + CO + H2O = C6H5COOH =>
8 C6H6 + 15 CO + 3 H2O = 9 C6H5COOH
SiF4 + F{-} = SiF5{-} =>
SiF4 + F{-} = SiF5{-}
As2S3 + HCIO3 + H2O = H3AsO3 + HCI + H2SO4 =>
As2S3 + 4 HCIO3 + 6 H2O = 2 H3AsO3 + 4 HCI + 3 H2SO4
NH3 + HIO3 = H2O + NH2IO2 =>
NH3 + HIO3 = H2O + NH2IO2
As2S3 + HCIO3 + H2O = H3AsO3 + HCI + H2SO4 =>
As2S3 + 4 HCIO3 + 6 H2O = 2 H3AsO3 + 4 HCI + 3 H2SO4
B(OH)3 + CH3CH2OH = B(OCH2CH3)3 + H2O =>
B(OH)3 + 3 CH3CH2OH = B(OCH2CH3)3 + 3 H2O
As2S3 + HCIO3 + H2O = H3AsO3 + HCI + H2SO4 =>
As2S3 + 4 HCIO3 + 6 H2O = 2 H3AsO3 + 4 HCI + 3 H2SO4
SiF4 + F{-} = SiF5{-} =>
SiF4 + F{-} = SiF5{-}
NaNO2 + PbO2 + HNO2 = NaNO + Pb(NO3)2 + H2O =>
NaNO2 + PbO2 + 2 HNO2 = NaNO + Pb(NO3)2 + H2O
C12H24 + Na2CO3 = C11H22Na + CH2CO3 =>
23 C12H24 + 12 Na2CO3 = 24 C11H22Na + 12 CH2CO3
SnO + H2 = SnH2 + O2 =>
2 SnO + 2 H2 = 2 SnH2 + O2
H1 + OH = H2O =>
H1 + OH = H2O
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
Pb(OH)4{-}2 + Cl2{-} = PbO2 + Cl{-} + H2O =>
Pb(OH)4{-}2 + Cl2{-} = PbO2 + 2 Cl{-} + 2 H2O
HCl + P = HPCl =>
HCl + P = HPCl
C6H12O6 + O2 = CO2 + H2O8 =>
C6H12O6 + 27 O2 = 6 CO2 + 6 H2O8
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
FePbO2 + KNO3 + KOH = Fe2O3 + K2PbO2 + KNO2 + H2O =>
2 FePbO2 + KNO3 + 4 KOH = Fe2O3 + 2 K2PbO2 + KNO2 + 2 H2O
Na2CO3(s) + HCl(aq)1 = CO2(g) + H2O(l) + NaCl(aq) =>
Na2CO3(s) + 2 HCl(aq)1 = CO2(g) + H2O(l) + 2 NaCl(aq)
CU(OH)2 + NaNO3 = CU(NO3)2 + NaOH =>
CU(OH)2 + 2 NaNO3 = CU(NO3)2 + 2 NaOH
K(s) + HF(aq) = H2(g) + KF(aq) =>
2 K(s) + 2 HF(aq) = H2(g) + 2 KF(aq)
NO2 + NH2 = NOH3 + NO =>
3 NO2 + 3 NH2 = 2 NOH3 + 4 NO
P2O3 + Br2 + H2O = HBr + H3PO4 =>
P2O3 + 2 Br2 + 5 H2O = 4 HBr + 2 H3PO4
CH4 + NH3 = CH3NH2 + H2 =>
CH4 + NH3 = CH3NH2 + H2
GaBr3 + Cs3P = GaP + CsBr =>
GaBr3 + Cs3P = GaP + 3 CsBr
Sr(s) + Cl(g) = SrCl2(s) =>
Sr(s) + 2 Cl(g) = SrCl2(s)
AlCl3(ag) + Ba(OH)2(ag) = Al(OH)3(s) + BaCl2(ag) =>
2 AlCl3(ag) + 3 Ba(OH)2(ag) = 2 Al(OH)3(s) + 3 BaCl2(ag)
HCl + ZnCl2 = HCl2 + ZnCl =>
HCl + ZnCl2 = HCl2 + ZnCl
Ba(HCO3)2 + KHSO4 = BaSO4 + K2CO3 + H2O + CO2 =>
2 Ba(HCO3)2 + 2 KHSO4 = 2 BaSO4 + K2CO3 + 3 H2O + 3 CO2
NH3 + O2 = NO3 + H2 =>
2 NH3 + 3 O2 = 2 NO3 + 3 H2
NaOHHCI = NaCIH2O =>
NaOHHCI = NaCIH2O
(NH4)2Cr2O7(s) = Cr2O3(s) + N39(g) + H2O(l) =>
39(NH4)2Cr2O7(s) = 39 Cr2O3(s) + 2 N39(g) + 156 H2O(l)
NaOH(aq) + SrCl2(aq) = NaCl2(aq) + Sr(OH) =>
NaOH(aq) + SrCl2(aq) = NaCl2(aq) + Sr(OH)
KBr(aq) + Ba(OH)2(aq) = KOH(aq) + BaBr2(aq) =>
2 KBr(aq) + Ba(OH)2(aq) = 2 KOH(aq) + BaBr2(aq)
Ca + NaOH = NaCaO + H =>
Ca + NaOH = NaCaO + H
Zn + H2SO4 + O2 = Zn(SO4)2 + H2O =>
Zn + 2 H2SO4 + O2 = Zn(SO4)2 + 2 H2O
Mn + Na2CO3 = MnCO3 + Na =>
Mn + Na2CO3 = MnCO3 + 2 Na
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Équations équilibrées sur11/13/24
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