| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 CH3 = (CH3)2
CH3CH(CN)CONH2 + H2O = CH3CH(COOH)COOH + NH3 =>
CH3CH(CN)CONH2 + 3 H2O = CH3CH(COOH)COOH + 2 NH3
Al(NO3)3 + H2S = Al2S3 + HNO3 =>
2 Al(NO3)3 + 3 H2S = Al2S3 + 6 HNO3
SiO2 + CHF3 = COF2 + SiF4 + COH2 =>
SiO2 + 2 CHF3 = COF2 + SiF4 + COH2
JO3{-} + NO + H2O = J2 + NO3{-} + H{+} =>
6 JO3{-} + 10 NO + 2 H2O = 3 J2 + 10 NO3{-} + 4 H{+}
(NH4)3H4[P(Mo2O7)6] + NH3 + H2O = H3PO4 + (NH4)2Mo2O7 =>
(NH4)3H4[P(Mo2O7)6] + 9 NH3 + 4 H2O = H3PO4 + 6(NH4)2Mo2O7
RbNO3 = Rb + NO + O2 =>
RbNO3 = Rb + NO + O2
Ag(aq) + CrO4(aq) = Ag2CrO4(s) =>
2 Ag(aq) + CrO4(aq) = Ag2CrO4(s)
C5H10N2O3 + O2 = CO2 + H2O + NH4 =>
C5H10N2O3 + 4 O2 = 5 CO2 + H2O + 2 NH4
Mg(OH)Br + HBr = MgBr2 + H2O =>
Mg(OH)Br + HBr = MgBr2 + H2O
Cl2(g) + KBr(ac) = KCl(s) + Br2(l) =>
Cl2(g) + 2 KBr(ac) = 2 KCl(s) + Br2(l)
Ba(No3)2 + H3Po4 = Ba3(Po4)2 + HNo3 =>
3 Ba(No3)2 + 2 H3Po4 = Ba3(Po4)2 + 6 HNo3
CH3CHCHCH3 + KMnO4 + H2SO4 = CH3CHOOH + MnSO4 + K2SO4 + H2O =>
5 CH3CHCHCH3 + 6 KMnO4 + 9 H2SO4 = 10 CH3CHOOH + 6 MnSO4 + 3 K2SO4 + 4 H2O
Pb(C2H3O2)2(aq) + KI(aq) = PbI2(s) + K(C2H3O2)(aq) =>
Pb(C2H3O2)2(aq) + 2 KI(aq) = PbI2(s) + 2 K(C2H3O2)(aq)
Hg + H{+} = Hg{2+} + H2 =>
Hg + 2 H{+} = Hg{2+} + H2
Pb2O3 + HCl = PbCl + Cl2 + H2O =>
Pb2O3 + 6 HCl = 2 PbCl + 2 Cl2 + 3 H2O
AlBr3 + PbSO4 = PbBr2 + Al2(SO4)3 =>
2 AlBr3 + 3 PbSO4 = 3 PbBr2 + Al2(SO4)3
K2Cr2O7 + CH3CH2OH + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3CO2H + H2O =>
2 K2Cr2O7 + 3 CH3CH2OH + 8 H2SO4 = 2 Cr2(SO4)3 + 2 K2SO4 + 3 CH3CO2H + 11 H2O
Pb(CH3COO)2 + AgNO3 = Ag(CH3COO)2 + Pb(NO3) =>
Pb(CH3COO)2 + AgNO3 = Ag(CH3COO)2 + Pb(NO3)
C6H12O6 + H2O = C6H14O6 + CO2 =>
13 C6H12O6 + 6 H2O = 12 C6H14O6 + 6 CO2
Al(NO3)3 + H2S = Al2S3 + HNO3 =>
2 Al(NO3)3 + 3 H2S = Al2S3 + 6 HNO3
CuS3 + Na2CO3 = Na2S + Cu2 + CO3 =>
2 CuS3 + 6 Na2CO3 = 6 Na2S + Cu2 + 6 CO3
H2S + KHSO4 = H2SO4 + KHS =>
H2S + KHSO4 = H2SO4 + KHS
HCl + Zn(CO3) = ZnCl2 + H2O + CO2 =>
2 HCl + Zn(CO3) = ZnCl2 + H2O + CO2
(NH4)3[Fe(SCN)6] + Na2S2O3 = Na3[Fe(SCN)6] + (NH4)2S2O3 =>
2(NH4)3[Fe(SCN)6] + 3 Na2S2O3 = 2 Na3[Fe(SCN)6] + 3(NH4)2S2O3
ZrO2 + Na2CO3 = Na2ZrO3 + CO2 =>
ZrO2 + Na2CO3 = Na2ZrO3 + CO2
Cl2(g) + I2{-}(aq) = I2(s) + Cl{-}(aq) =>
Cl2(g) + 2 I2{-}(aq) = 2 I2(s) + 2 Cl{-}(aq)
KCN = KC + N =>
KCN = KC + N
Fe(s) + MgCl2 = Mg + FeCl2 =>
Fe(s) + MgCl2 = Mg + FeCl2
S + H2O = SO2 + H2 =>
S + 2 H2O = SO2 + 2 H2
C2H4 + OO = CO2 + H2O =>
C2H4 + 3 OO = 2 CO2 + 2 H2O
C8H7N + C4H8O2 + CH3CH2ONa = C10H9NONa + CH3CH2OH =>
4 C8H7N + 3 C4H8O2 + 4 CH3CH2ONa = 4 C10H9NONa + 6 CH3CH2OH
Ag2O + NOH + NH3 = Ag(NH3)2 + NO3 =>
3 Ag2O + 3 NOH + 11 NH3 = 6 Ag(NH3)2 + 2 NO3
HF + Cl2 = Cl{+} + F{-} + H2 =>
2 HF + Cl2 = 2 Cl{+} + 2 F{-} + H2
Na2SeO3 = Na2Se + O2 =>
2 Na2SeO3 = 2 Na2Se + 3 O2
CaF2 + H2SO4 + H2O = CaSO4*05H2O + HF(l) =>
CaF2 + H2SO4 + 5 H2O = CaSO4*05H2O + 2 HF(l)
H2SO4 + NaNo3 = HNo3 + Na2SO4 =>
H2SO4 + 2 NaNo3 = 2 HNo3 + Na2SO4
ClNH4 + Ca(OH)2 = NH3 + CaCl2 + H2O =>
2 ClNH4 + Ca(OH)2 = 2 NH3 + CaCl2 + 2 H2O
Ag + HNO3 = AgNO3 + H2O + NO2 =>
Ag + 2 HNO3 = AgNO3 + H2O + NO2
Al + NiSO4 = Al2(SO4)3 + Ni =>
2 Al + 3 NiSO4 = Al2(SO4)3 + 3 Ni
Na3N + AgNO3 = Ag3N + NaNO3 =>
Na3N + 3 AgNO3 = Ag3N + 3 NaNO3
Sn + O2 = SnO2 =>
Sn + O2 = SnO2
Ti(OH)4 = Ti2O4 + H2O =>
2 Ti(OH)4 = Ti2O4 + 4 H2O
K3(PO4) + MgCl2 = Mg3(PO4)2 + KCl =>
2 K3(PO4) + 3 MgCl2 = Mg3(PO4)2 + 6 KCl
Re + HClO3 = HReO4 + Cl2 + H2O =>
10 Re + 14 HClO3 = 10 HReO4 + 7 Cl2 + 2 H2O
Zn + HBrO = Zn(BrO)2 + H2 =>
Zn + 2 HBrO = Zn(BrO)2 + H2
CaO + SO2 = CaS + CaSO4 =>
4 CaO + 4 SO2 = CaS + 3 CaSO4
Sn + O2 = SnO =>
2 Sn + O2 = 2 SnO
O2(g) + CH3CH2CH2SH(l) = SO2(g) + H2O(g) + CO2(g) =>
6 O2(g) + CH3CH2CH2SH(l) = SO2(g) + 4 H2O(g) + 3 CO2(g)
FeCl3(aq) + Na3PO4(aq) = Fe(PO4)(s) + NaCl(aq) =>
FeCl3(aq) + Na3PO4(aq) = Fe(PO4)(s) + 3 NaCl(aq)
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