| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 KBr + PbO2 + 4 HNO3 = Br2 + Pb(NO3)2 + 2 KNO3 + 2 H2O
Cl2 + C6H14 = HCl + CCl4 =>
19 Cl2 + C6H14 = 14 HCl + 6 CCl4
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
NaNO2 + HCl = H2O + NaNO3 + NaCl + NO =>
3 NaNO2 + 2 HCl = H2O + NaNO3 + 2 NaCl + 2 NO
AsCl3 + NaH2PO2 + H2O = As + H3PO4 + HCl + NaCl =>
4 AsCl3 + 3 NaH2PO2 + 6 H2O = 4 As + 3 H3PO4 + 9 HCl + 3 NaCl
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Ba(NO3)2 + AgNO3 = BaAg + NO3 =>
Ba(NO3)2 + AgNO3 = BaAg + 3 NO3
H2O + Cl = HCl + O2 =>
2 H2O + 4 Cl = 4 HCl + O2
C4H10O = H2O + C4H8 =>
C4H10O = H2O + C4H8
PH3 + Br2 + H2O = H3PO4 + HBr =>
PH3 + 4 Br2 + 4 H2O = H3PO4 + 8 HBr
Cs2S + Li3PO4 = Cs3PO4 + Li2S =>
3 Cs2S + 2 Li3PO4 = 2 Cs3PO4 + 3 Li2S
Mg + KOH = MgKO + H =>
Mg + KOH = MgKO + H
Ca3(PO4)2 + SiO2 + C = CaSiO3 + P + CO2 =>
2 Ca3(PO4)2 + 6 SiO2 + 5 C = 6 CaSiO3 + 4 P + 5 CO2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Cr2O7{-2} + Sn{+2} + H{+} = Cr{+3} + Sn{+4} + H2O =>
Cr2O7{-2} + 3 Sn{+2} + 14 H{+} = 2 Cr{+3} + 3 Sn{+4} + 7 H2O
CsOH + Al = CsAlO2 + Cs2O + H2 =>
6 CsOH + 2 Al = 2 CsAlO2 + 2 Cs2O + 3 H2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Al2O3 + K2CO3 = KAlO2 + CO2 =>
Al2O3 + K2CO3 = 2 KAlO2 + CO2
SiCl4 = Si + Cl2 =>
SiCl4 = Si + 2 Cl2
Na + MgCl2(aq) = NaCl(aq) + Mg(s) =>
2 Na + MgCl2(aq) = 2 NaCl(aq) + Mg(s)
Be2C + H2O = Be(OH)2 + CH4 =>
Be2C + 4 H2O = 2 Be(OH)2 + CH4
C2H5NH4 + HCl = C2H5NH4Cl + H2 =>
2 C2H5NH4 + 2 HCl = 2 C2H5NH4Cl + H2
(NO3)3 = NO3 =>
(NO3)3 = 3 NO3
ZnO2(s) + C2(s) = Zn(g) + CO2(g) =>
2 ZnO2(s) + C2(s) = 2 Zn(g) + 2 CO2(g)
K2CO3 + H2O = KHCO3 + KOH =>
K2CO3 + H2O = KHCO3 + KOH
C4H9SH(l) + O2(g) = CO2(g) + H2O(l) + S =>
2 C4H9SH(l) + 13 O2(g) = 8 CO2(g) + 10 H2O(l) + 2 S
C8H5OK + NaOH = Na + C8H6O2K =>
C8H5OK + NaOH = Na + C8H6O2K
CuS + N = N2S3 + Cu =>
3 CuS + 2 N = N2S3 + 3 Cu
Na + C = Na4C =>
4 Na + C = Na4C
P + Cu{+2} + H2O = Cu + H{+} + PO3{-} =>
2 P + 5 Cu{+2} + 6 H2O = 5 Cu + 12 H{+} + 2 PO3{-}
Al + I2 = Al{3+} + I{-} =>
2 Al + 3 I2 = 2 Al{3+} + 6 I{-}
CuO + Fe = Cu + Fe3O =>
CuO + 3 Fe = Cu + Fe3O
K2Cr2O7 + HCl = CrCl3KCl + H2O + Cl =>
K2Cr2O7 + 14 HCl = 2 CrCl3KCl + 7 H2O + 6 Cl
Y + H2O = Y2O3 + H2 =>
2 Y + 3 H2O = Y2O3 + 3 H2
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
H6(g) + Cl4(g) = HCl(g) =>
2 H6(g) + 3 Cl4(g) = 12 HCl(g)
C6H5CH3(CH3) + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + C6H5COH + H2O =>
14 C6H5CH3(CH3) + 15 K2Cr2O7 + 60 H2SO4 = 15 Cr2(SO4)3 + 15 K2SO4 + 16 C6H5COH + 89 H2O
ZnCl2 + Pb(NO3)2 = Zn(NO3)2 + PbCl2 =>
ZnCl2 + Pb(NO3)2 = Zn(NO3)2 + PbCl2
Ag20 = Ag = O2 =>
Ag20 = 20 Ag
Ca() + S() = CaS() =>
Ca() + S() = CaS()
N + F = N2F4 =>
2 N + 4 F = N2F4
Al2O3 + HClO = Al(ClO)3 + H2O =>
Al2O3 + 6 HClO = 2 Al(ClO)3 + 3 H2O
BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CO + CaO = CaC + O2 =>
CO + CaO = CaC + O2
C5H8NO4Na + HCl = C5H9NO4 + NaCl =>
C5H8NO4Na + HCl = C5H9NO4 + NaCl
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
K2CO3 + H2O = KHCO3 + KOH =>
K2CO3 + H2O = KHCO3 + KOH
CuBr + HNO3 = CuNO3 + NO + Br2 + H2O =>
6 CuBr + 8 HNO3 = 6 CuNO3 + 2 NO + 3 Br2 + 4 H2O
PbCl4 + H3PO4 = Pb3(PO4)4 + HCl =>
3 PbCl4 + 4 H3PO4 = Pb3(PO4)4 + 12 HCl
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Équations équilibrées sur12/10/24
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