| Équations équilibrées la veille |
2 HCl + Na2S = H2S + 2 NaCl
Al(SCN)3 + CaSO4 = Ca(SCN)2 + Al2(SO4)3 =>
2 Al(SCN)3 + 3 CaSO4 = 3 Ca(SCN)2 + Al2(SO4)3
Ca(s) + HBr(aq) = CaBr2(aq) + H2(g) =>
Ca(s) + 2 HBr(aq) = CaBr2(aq) + H2(g)
K2CO3 + NaOH = KOH + Na2CO3 =>
K2CO3 + 2 NaOH = 2 KOH + Na2CO3
Sb + HNO3 + H2O = HSb(OH)6 + NO =>
3 Sb + 5 HNO3 + 8 H2O = 3 HSb(OH)6 + 5 NO
H2SO4 + Zn = H2 + ZnSO4 =>
H2SO4 + Zn = H2 + ZnSO4
Mg + H7Cl = Mg7Cl2 + H =>
7 Mg + 2 H7Cl = Mg7Cl2 + 14 H
NaHCo3 + HCl = NaHCo3HCl =>
NaHCo3 + HCl = NaHCo3HCl
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
Na2S2O3 + H2CrO4 = Cr2O3 + H2O + Na2SO4 + SO2 =>
Na2S2O3 + 2 H2CrO4 = Cr2O3 + 2 H2O + Na2SO4 + SO2
FeBr3 = Br2 + Fe =>
2 FeBr3 = 3 Br2 + 2 Fe
H{+} + MnO4{-} + C2O4{-2} = Mn{+} + CO2 + H2O =>
8 H{+} + MnO4{-} + 3 C2O4{-2} = Mn{+} + 6 CO2 + 4 H2O
(NH4)3(PO4) + CrBr3 = (NH4)Br + Cr(PO4) =>
(NH4)3(PO4) + CrBr3 = 3(NH4)Br + Cr(PO4)
(CH3CO)2O + CH3CH2OH = CH3CO2CH2CH3 + CH3COOH =>
(CH3CO)2O + CH3CH2OH = CH3CO2CH2CH3 + CH3COOH
H2SO4 + N2 = SO2 + NO2 + H2O =>
4 H2SO4 + N2 = 4 SO2 + 2 NO2 + 4 H2O
AlCl3 + NOH = Al(OH)3 + NCl =>
AlCl3 + 3 NOH = Al(OH)3 + 3 NCl
HNO3 + HF = FNO2 + H2O =>
HNO3 + HF = FNO2 + H2O
Mg(s) + Cl2(aq) = MgCl2(s) =>
Mg(s) + Cl2(aq) = MgCl2(s)
Mg(ClO3)2 + Fe2(SO4)3 = Mg(SO4)3 + Fe2(ClO3)2 =>
Mg(ClO3)2 + Fe2(SO4)3 = Mg(SO4)3 + Fe2(ClO3)2
Cl + Pol = PolCl =>
Cl + Pol = PolCl
BBr3 + AgN3 = B(N3)3 + AgBr =>
BBr3 + 3 AgN3 = B(N3)3 + 3 AgBr
CH2CH2 + H2SO4 = CH3CH2OSO2OH =>
CH2CH2 + H2SO4 = CH3CH2OSO2OH
MgSeO4 + Ga(OH)3 = Ga2(SeO4)3 + Mg(OH)2 =>
3 MgSeO4 + 2 Ga(OH)3 = Ga2(SeO4)3 + 3 Mg(OH)2
Co2 + H2O = CoH2O =>
Co2 + 2 H2O = 2 CoH2O
CH3NH2 + NH3 = CH4NH2 + NH2 =>
CH3NH2 + NH3 = CH4NH2 + NH2
KCI + H2SO4 = K2SO4 + HCI =>
2 KCI + H2SO4 = K2SO4 + 2 HCI
Fe2(SO4)3 + Mn = Mn(SO4)3 + Fe =>
Fe2(SO4)3 + Mn = Mn(SO4)3 + 2 Fe
(NH4)4C + Al2(SO4)3 = (NH4)2SO4 + Al4C3 =>
3(NH4)4C + 2 Al2(SO4)3 = 6(NH4)2SO4 + Al4C3
CH3CH2OH(aq) + KMnO4(aq) + HCl(aq) = CH3COOH(aq) + MnCl(aq) + KCl(aq) + H2O(l) =>
3 CH3CH2OH(aq) + 2 KMnO4(aq) + 4 HCl(aq) = 3 CH3COOH(aq) + 2 MnCl(aq) + 2 KCl(aq) + 5 H2O(l)
Zn2SiO4 + H2SO4 = H4SiO4 + ZnSO4 =>
Zn2SiO4 + 2 H2SO4 = H4SiO4 + 2 ZnSO4
NaF + KHSO4 = KF + NaHSO4 =>
NaF + KHSO4 = KF + NaHSO4
Na2S + Br2 = NaBr + S =>
Na2S + Br2 = 2 NaBr + S
C2H5OH + Al2O3 = H2O + Al + CH3CO2H =>
3 C2H5OH + 2 Al2O3 = 3 H2O + 4 Al + 3 CH3CO2H
(NH4)2CrO7 = CrO3 + H2O + N2 =>
(NH4)2CrO7 = CrO3 + 4 H2O + N2
CH3COOH + H2SO4 = SO2 + H2O + CO2 =>
CH3COOH + 4 H2SO4 = 4 SO2 + 6 H2O + 2 CO2
Na3PO4(l) + Ca(NO3)2(s) = NaNO3(s) + Ca3(PO4)2(s) =>
2 Na3PO4(l) + 3 Ca(NO3)2(s) = 6 NaNO3(s) + Ca3(PO4)2(s)
Al2O3 + KOH = Al2K2O4 + H2O =>
Al2O3 + 2 KOH = Al2K2O4 + H2O
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
Cr(NO3)3 + NaOH + H2O2 = Cr(OH)4 + NaNO3 =>
2 Cr(NO3)3 + 6 NaOH + H2O2 = 2 Cr(OH)4 + 6 NaNO3
H{+} + MnO2 + CH4O = Mn{2+} + CO2 + H2O =>
6 H{+} + 3 MnO2 + CH4O = 3 Mn{2+} + CO2 + 5 H2O
C9H7OClN + POCl3 = C9H6Cl2N + H3PO4 =>
3 C9H7OClN + POCl3 = 3 C9H6Cl2N + H3PO4
(NH4)2(C2O4) + H2O = (NH4)2O + H2(C2O4) =>
(NH4)2(C2O4) + H2O = (NH4)2O + H2(C2O4)
K2CrO4 + MgF2 = K2F2 + MgCrO4 =>
K2CrO4 + MgF2 = K2F2 + MgCrO4
PB(OH)2 = PBOH2O =>
PB(OH)2 = PBOH2O
CrCl2 + H2O + O2 = CrCl3 + Cr(OH)3 =>
12 CrCl2 + 6 H2O + 3 O2 = 8 CrCl3 + 4 Cr(OH)3
RbBr + (NH4)2CO3 = Rb2CO3 + NH4Br =>
2 RbBr + (NH4)2CO3 = Rb2CO3 + 2 NH4Br
V + H2O + OH{-} = H2 + HV6O17{-3} =>
6 V + 14 H2O + 3 OH{-} = 15 H2 + HV6O17{-3}
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