| Équations équilibrées la veille | Équations équilibrées le lendemain |
CO2 + HIO4 = CO4 + HIO2
C5H9OH + O2 = CO2 + H2O =>
C5H9OH + 7 O2 = 5 CO2 + 5 H2O
WS2 + KClO3 + KOH = K2WO4 + KCl + H2O + K2SO4 =>
WS2 + 3 KClO3 + 6 KOH = K2WO4 + 3 KCl + 3 H2O + 2 K2SO4
Cl(g) + H2O(g) = HCl(g) + O2(g) =>
4 Cl(g) + 2 H2O(g) = 4 HCl(g) + O2(g)
C2H5OH + Cr2O7{2-} + H{+}(aq) = CH3CHOOH(aq) + Cr{3+} + H2O =>
2 C2H5OH + Cr2O7{2-} + 8 H{+}(aq) = 2 CH3CHOOH(aq) + 2 Cr{3+} + 5 H2O
Cr + NO2{-} + OH{-} + H2O = Cr(OH)4{-} + NH3 =>
2 Cr + NO2{-} + OH{-} + 5 H2O = 2 Cr(OH)4{-} + NH3
C5H8O5 + K2Cr2O7 + H2SO4 = CO2 + Cr2(SO4)3 + K2SO4 + H2O =>
C5H8O5 + 3 K2Cr2O7 + 12 H2SO4 = 5 CO2 + 3 Cr2(SO4)3 + 3 K2SO4 + 16 H2O
Fe + H2O = Fe(OH)123 + H2 =>
2 Fe + 246 H2O = 2 Fe(OH)123 + 123 H2
KCl + NaHC4H4O6 = KHC4H4O6 + NaCl =>
KCl + NaHC4H4O6 = KHC4H4O6 + NaCl
Cr2O3 + NaHCO3 + H2O = Na3(Cr(OH)6) + CO2 =>
Cr2O3 + 6 NaHCO3 + 3 H2O = 2 Na3(Cr(OH)6) + 6 CO2
C3H6O + H2O = CO2 + H =>
C3H6O + 5 H2O = 3 CO2 + 16 H
PCl5 + H2O = HCl + H3PO4 =>
PCl5 + 4 H2O = 5 HCl + H3PO4
BaS + KOH = Ba(OH)2 + K2S =>
BaS + 2 KOH = Ba(OH)2 + K2S
C2H4 + K2Cr2O7 + H2SO4 = CO2 + Cr2(SO4)3 + K3SO4 + H2O =>
5 C2H4 + 9 K2Cr2O7 + 33 H2SO4 = 10 CO2 + 9 Cr2(SO4)3 + 6 K3SO4 + 43 H2O
NaOH + HOOC{-}COOH = OOC{-}COO + Na + H2O =>
NaOH + HOOC{-}COOH = OOC{-}COO + Na + H2O
KOH + H2SiO3 = K2SiO3 + H2O =>
2 KOH + H2SiO3 = K2SiO3 + 2 H2O
NaBr + Ca(OH)2 = CaBr2 + NaOH =>
2 NaBr + Ca(OH)2 = CaBr2 + 2 NaOH
Ca(OH)2 + CO2 = CaCO3 + H2O =>
Ca(OH)2 + CO2 = CaCO3 + H2O
Zn + HNO3 = Zn(HNO3) =>
Zn + HNO3 = Zn(HNO3)
B + C = B3C4 =>
3 B + 4 C = B3C4
H2SO4 + HI = H2S + I2 + H2O =>
H2SO4 + 8 HI = H2S + 4 I2 + 4 H2O
Zn + HNO3 = Zn(HNO3) =>
Zn + HNO3 = Zn(HNO3)
Br2 + H2O = HBr + HBrO3 =>
3 Br2 + 3 H2O = 5 HBr + HBrO3
C6H4(COOH)2 + KHCO3 = C6H4(COOK)2 + CO2 + H2O =>
C6H4(COOH)2 + 2 KHCO3 = C6H4(COOK)2 + 2 CO2 + 2 H2O
CuFeS2 + Fe{3+} = Cu{2+} + Fe{2+} + S =>
CuFeS2 + 4 Fe{3+} = Cu{2+} + 5 Fe{2+} + 2 S
MgSO4*6H2O = MgSO4 + H2O =>
MgSO4*6H2O = MgSO4 + 6 H2O
K + IO3 = KIO3 =>
K + IO3 = KIO3
Zn + PO4 = ZnPO4 =>
Zn + PO4 = ZnPO4
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Al(l) + BaO(s) = Al2O3 + Ba(l) =>
2 Al(l) + 3 BaO(s) = Al2O3 + 3 Ba(l)
Cu2 + S = Cu2S =>
Cu2 + S = Cu2S
Al(OH)3 + HPO2 = AlPO3 + H2O =>
Al(OH)3 + HPO2 = AlPO3 + 2 H2O
CuSO4(NH4)2S = (NH4)2SO4CuS =>
CuSO4(NH4)2S = (NH4)2SO4CuS
C27H42 + O2 = CO2 + H2O =>
2 C27H42 + 75 O2 = 54 CO2 + 42 H2O
PH3Ca3P2 + HCl = CaCl2 + PH3 =>
PH3Ca3P2 + 6 HCl = 3 CaCl2 + 3 PH3
Br + P = PBr3 =>
3 Br + P = PBr3
K2Cr2O7 + H2SO4 = H2O + K2SO4 + CrO3 =>
K2Cr2O7 + H2SO4 = H2O + K2SO4 + 2 CrO3
Na2S + HCl = NaCl + H2S =>
Na2S + 2 HCl = 2 NaCl + H2S
CaCl2 + K3PO4 = Ca3(PO4)2 + KCl =>
3 CaCl2 + 2 K3PO4 = Ca3(PO4)2 + 6 KCl
K + MgBr = KBr + Mg =>
K + MgBr = KBr + Mg
Pb + H2SO4 = PbSO4 + SO2 + H2O =>
Pb + 2 H2SO4 = PbSO4 + SO2 + 2 H2O
(NH2)2CO + KOH = K2CO3 + NH3 =>
(NH2)2CO + 2 KOH = K2CO3 + 2 NH3
SrCl2 + H2S = SrS + HCl =>
SrCl2 + H2S = SrS + 2 HCl
C7H6O2CO2Na + HCl = C7H6O2CO2H + NaCl =>
C7H6O2CO2Na + HCl = C7H6O2CO2H + NaCl
CH3COOH + CaCO3 = Ca(CH3COO)2 + H2CO3 =>
2 CH3COOH + CaCO3 = Ca(CH3COO)2 + H2CO3
H202 + KMnO4 + H2SO4 = MnSO4 + K2SO4 + H2O =>
5 H202 + 202 KMnO4 + 303 H2SO4 = 202 MnSO4 + 101 K2SO4 + 808 H2O
CaCl3 + Na2SO4 = CaSO4 + Na2Cl3 =>
CaCl3 + Na2SO4 = CaSO4 + Na2Cl3
Br + P5 = PBr3 =>
15 Br + P5 = 5 PBr3
Pb + H2SO4 = PbSO4 + SO2 + H2O =>
Pb + 2 H2SO4 = PbSO4 + SO2 + 2 H2O
MnC2O4*2H2O(s) + O2(g) = MnO(s) + H2O(g) + CO2(g) =>
2 MnC2O4*2H2O(s) + O2(g) = 2 MnO(s) + 4 H2O(g) + 4 CO2(g)
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Équations équilibrées sur12/22/24
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