| Équations équilibrées la veille |
3 HCHO + K2Cr2O7 + 2 HCl = 3 HCOOH + Cr2O3 + H2O + 2 KCl
HCl + HClO3 + KBr = KClO3 + ClBr + H2 =>
HCl + HClO3 + KBr = KClO3 + ClBr + H2
C4H10 + Cr2O7{-2} + H{+} = H6C4O4 + Cr{+3} + H2O =>
C4H10 + 2 Cr2O7{-2} + 16 H{+} = H6C4O4 + 4 Cr{+3} + 10 H2O
C2H4 + Br2 = C2H4Br2 =>
C2H4 + Br2 = C2H4Br2
MgHCl = MgCl + H2 =>
2 MgHCl = 2 MgCl + H2
HCn + H2O = Cn{-} + H3O{+} =>
HCn + H2O = Cn{-} + H3O{+}
HClO3 + HCl = H2O + Cl2 =>
HClO3 + 5 HCl = 3 H2O + 3 Cl2
Al + MnO = Al2O3 + Mn =>
2 Al + 3 MnO = Al2O3 + 3 Mn
Ca(NO3)2 + KPO4 = CaPO4 + K(NO3)2 =>
Ca(NO3)2 + KPO4 = CaPO4 + K(NO3)2
(CH3)3N + HCl = (CH3)3NCl + H2 =>
2(CH3)3N + 2 HCl = 2(CH3)3NCl + H2
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
N2 + O2 = NO2 =>
N2 + 2 O2 = 2 NO2
KNO3 + S + C = K2S + N + CO =>
2 KNO3 + S + 6 C = K2S + 2 N + 6 CO
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
Ti + HCl = TiCl4 + H2 =>
Ti + 4 HCl = TiCl4 + 2 H2
SiH4 + NaOH + Cl2 = Na2SiO3 + NaCl + H2O =>
SiH4 + 10 NaOH + 4 Cl2 = Na2SiO3 + 8 NaCl + 7 H2O
C12H22O3 + O2 = CO + H2O =>
C12H22O3 + 10 O2 = 12 CO + 11 H2O
C6H3N3O6 + O2 = H2O + CO2 + N2 =>
4 C6H3N3O6 + 15 O2 = 6 H2O + 24 CO2 + 6 N2
Na2SO4 + Fe(ClO3)3 = Fe2(SO4)3 + NaClO3 =>
3 Na2SO4 + 2 Fe(ClO3)3 = Fe2(SO4)3 + 6 NaClO3
Pd + SnCl2 = PdCl2 + Sn =>
Pd + SnCl2 = PdCl2 + Sn
MgCl2 + H3Po4 = Mg3(Po4)2 + HCl =>
3 MgCl2 + 2 H3Po4 = Mg3(Po4)2 + 6 HCl
CrCl3 + Br2 + NaOH = NaCrO4 + NaBr + NaCl + H2O =>
CrCl3 + 2 Br2 + 8 NaOH = NaCrO4 + 4 NaBr + 3 NaCl + 4 H2O
Ni(NO3) + Sn = SnNi(NO3) =>
Ni(NO3) + Sn = SnNi(NO3)
R + I = R2I2 =>
2 R + 2 I = R2I2
AgNO3(aq) + NaOH(aq) = H2O(aq) + NaNO3(aq) + Ag2O(s) =>
2 AgNO3(aq) + 2 NaOH(aq) = H2O(aq) + 2 NaNO3(aq) + Ag2O(s)
HCl(aq) + NaHCO3(s) = NaCl(aq) + H2O + CO2 =>
HCl(aq) + NaHCO3(s) = NaCl(aq) + H2O + CO2
Na2FeO2 + H2O = NaOH + FeO =>
Na2FeO2 + H2O = 2 NaOH + FeO
H3COH + CO = H3CCOOH =>
H3COH + CO = H3CCOOH
N2O + H2SO4 + KMnO4 = HNO3 + K2SO4 + MnSO4 + H2O =>
5 N2O + 12 H2SO4 + 8 KMnO4 = 10 HNO3 + 4 K2SO4 + 8 MnSO4 + 7 H2O
HNO3 + P2O5 = HPO3 + N2O5 =>
2 HNO3 + P2O5 = 2 HPO3 + N2O5
C9H10O + O2 = H2O + CO2 =>
C9H10O + 11 O2 = 5 H2O + 9 CO2
CoCl(aq) + NaSO4(aq) = CoSO4 + NaCl =>
CoCl(aq) + NaSO4(aq) = CoSO4 + NaCl
C65H82O24(s) + O2(g) = CO2(g) + H2O(l) =>
2 C65H82O24(s) + 147 O2(g) = 130 CO2(g) + 82 H2O(l)
Be + WOH = BeOH + W =>
Be + WOH = BeOH + W
C7H6OO2 + O2 = CO2 + H2O =>
C7H6OO2 + 7 O2 = 7 CO2 + 3 H2O
HCHO + H2O = CH3OH + O2 =>
2 HCHO + 2 H2O = 2 CH3OH + O2
NaOH + (COOH)2*2H2O = COONa + H2O =>
2 NaOH + (COOH)2*2H2O = 2 COONa + 4 H2O
Ca3(PO4)2 + H3PO4 = Ca(H2PO4)2 =>
Ca3(PO4)2 + 4 H3PO4 = 3 Ca(H2PO4)2
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Ba(OH)2 + P4O10 = (Ba)3(PO4)2 + H2O =>
6 Ba(OH)2 + P4O10 = 2(Ba)3(PO4)2 + 6 H2O
KOH + Fe2O3 + H2O = K[Fe(OH)4] =>
2 KOH + Fe2O3 + 3 H2O = 2 K[Fe(OH)4]
Fe(iii)Cl + AgNO3 = AgCl + Fe(iii)NO3 =>
Fe(iii)Cl + AgNO3 = AgCl + Fe(iii)NO3
C7H8O3 + C4H6O4 = C9H8O4 + C2H4O2 =>
10 C7H8O3 + 10 C4H6O4 = 8 C9H8O4 + 19 C2H4O2
Ag(NO3) = AgONO2 =>
Ag(NO3) = AgONO2
(NH4)Cl + Ca(OH)2 = (NH4)(OH) + CaCl2 =>
2(NH4)Cl + Ca(OH)2 = 2(NH4)(OH) + CaCl2
CH3Cl + OH = CH3OH + Cl =>
CH3Cl + OH = CH3OH + Cl
NaClO + XH = HOCl + XNa =>
NaClO + XH = HOCl + XNa
C2H5OH + CH3COOH = CH3COOH2CH2 + H2O =>
3 C2H5OH + 3 CH3COOH = 4 CH3COOH2CH2 + H2O
Na(Al(OH)4) + HCl = AlCl3 + NaCl + H2O =>
Na(Al(OH)4) + 4 HCl = AlCl3 + NaCl + 4 H2O
Al2O3 + SiCl4 = AlCl3 + Si2OCl6 =>
Al2O3 + 6 SiCl4 = 2 AlCl3 + 3 Si2OCl6
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