| Équations équilibrées la veille |
Na2CO3 + 4 C + N2 = 2 NaCN + 3 CO
KOH + CO2 = KH + CO3 =>
KOH + CO2 = KH + CO3
Na3AsO4 + KI + H2SO4 = Na3AsO3 + I2 + K2SO4 + H2O =>
Na3AsO4 + 2 KI + H2SO4 = Na3AsO3 + I2 + K2SO4 + H2O
hydrogen + iodine = HI2 =>
H2 + 2 I2 = 2 HI2
KClO3 + KI + H2SO4 = KHSO4 + HCl + I2 + H2O =>
KClO3 + 6 KI + 7 H2SO4 = 7 KHSO4 + HCl + 3 I2 + 3 H2O
FeCI3 = C + Fe + I2 =>
2 FeCI3 = 2 C + 2 Fe + 3 I2
C5H8 + KMnO4 + H2O = C5H8O2 + MnO2 + KOH =>
3 C5H8 + 4 KMnO4 + 2 H2O = 3 C5H8O2 + 4 MnO2 + 4 KOH
Na3Hg + NaHg2 = NaHg =>
Na3Hg + 2 NaHg2 = 5 NaHg
Na2CO3(s) + CaCl2(aq) = CaCO3(s) + NaCl(aq) =>
Na2CO3(s) + CaCl2(aq) = CaCO3(s) + 2 NaCl(aq)
HBr(ac) + MgCO3(s) = H2CO3 + MgBr2 =>
2 HBr(ac) + MgCO3(s) = H2CO3 + MgBr2
CoCl2 + KNCS = K2[Co(NCS)4] + KCl =>
CoCl2 + 4 KNCS = K2[Co(NCS)4] + 2 KCl
Ca(C2H3O2)2 + Na2(CO3) = CaCO3 + NaC2H3O2 =>
Ca(C2H3O2)2 + Na2(CO3) = CaCO3 + 2 NaC2H3O2
N2H4 + ClO3{-} + OH{-1) = NO3{-}+Cl{-}+H2O =>
3 N2H4 + 7 ClO3{-} + 6 OH{-1) = 6 NO3{-}+7Cl{-}+9H2O
Zn(NO3)2 + Na2(CO3) = Zn(CO3) + Na2(NO3)2 =>
Zn(NO3)2 + Na2(CO3) = Zn(CO3) + Na2(NO3)2
Al2O3(s) + NaOH + H2O = Na(Al(OH)4) =>
Al2O3(s) + 2 NaOH + 3 H2O = 2 Na(Al(OH)4)
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
C6H12O6(s) = C2H5OH + CO2 =>
C6H12O6(s) = 2 C2H5OH + 2 CO2
CuSO4 + NaHS = CuS + Na2SO4 + H2S =>
CuSO4 + 2 NaHS = CuS + Na2SO4 + H2S
K + Sn = KSn =>
K + Sn = KSn
CaCl2 + HNO3 = Ca(NO3)2 + HCl =>
CaCl2 + 2 HNO3 = Ca(NO3)2 + 2 HCl
NaI + PbCl2 = PbI2 + NaCl =>
2 NaI + PbCl2 = PbI2 + 2 NaCl
Na2(HAsO3) + K(BrO3) + HCl = NaCl + KBr + H3AsO4 =>
3 Na2(HAsO3) + K(BrO3) + 6 HCl = 6 NaCl + KBr + 3 H3AsO4
NaHSO4 + NaOH = Na2SO4 + H2O =>
NaHSO4 + NaOH = Na2SO4 + H2O
BaBr2 + K2SO4 = KBr + BaSO4 =>
BaBr2 + K2SO4 = 2 KBr + BaSO4
C5H8 + KMnO4 + H2O = C5H12O4 + MnO2 + KOH =>
3 C5H8 + 4 KMnO4 + 8 H2O = 3 C5H12O4 + 4 MnO2 + 4 KOH
K + H2SO3 = K2SO3 + H =>
2 K + H2SO3 = K2SO3 + 2 H
C4H8 + O2 = CO2H2O =>
C4H8 + 6 O2 = 4 CO2H2O
AgNO3 + Ca(OH)2 = Ag(OH) + Ca(NO3)2 =>
2 AgNO3 + Ca(OH)2 = 2 Ag(OH) + Ca(NO3)2
KMnO4 + NaNO2 + Ba(OH)2 = BaMnO4 + NaNO3 + KOH + H2O =>
2 KMnO4 + NaNO2 + 2 Ba(OH)2 = 2 BaMnO4 + NaNO3 + 2 KOH + H2O
C6H12O6(s) = C(s) + H2O(g) =>
C6H12O6(s) = 6 C(s) + 6 H2O(g)
CuSO4 + NaHS = CuS + Na2SO4 + H2SO4 =>
2 CuSO4 + 2 NaHS = 2 CuS + Na2SO4 + H2SO4
Fe(OH)2 + H3PO4(aq) = Fe3(PO4)2(s) + H2O(l) =>
3 Fe(OH)2 + 2 H3PO4(aq) = Fe3(PO4)2(s) + 6 H2O(l)
C8H16 + KMnO4 + H2SO4 = C8H16O4 + K2SO4 + MnSO4 + H2O =>
5 C8H16 + 8 KMnO4 + 12 H2SO4 = 5 C8H16O4 + 4 K2SO4 + 8 MnSO4 + 12 H2O
Cr + ClO4 = Cr(ClO4) =>
Cr + ClO4 = Cr(ClO4)
NO3{-} + Zn + OH{-} = NH3 + H2O + ZnO2{2-} =>
NO3{-} + 4 Zn + 7 OH{-} = NH3 + 2 H2O + 4 ZnO2{2-}
K2Cr2O7 + SnCl4 + HCl = CrCl3 + SnCl6 + KCl + H2O =>
K2Cr2O7 + 3 SnCl4 + 14 HCl = 2 CrCl3 + 3 SnCl6 + 2 KCl + 7 H2O
NaNO2 + H2CO3 = Na2CO3 + HNO2 =>
2 NaNO2 + H2CO3 = Na2CO3 + 2 HNO2
C6H12O6(s) = C2H5OH(aq) + CO2(g) =>
C6H12O6(s) = 2 C2H5OH(aq) + 2 CO2(g)
Ba(NO3)2 + Na2CO3 = BaCO3 + NaNO3 =>
Ba(NO3)2 + Na2CO3 = BaCO3 + 2 NaNO3
Na + SO3 = Na2O + S8 =>
48 Na + 8 SO3 = 24 Na2O + S8
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
FeCI3 = C + Fe + I2 =>
2 FeCI3 = 2 C + 2 Fe + 3 I2
AuF3 = Au + F =>
AuF3 = Au + 3 F
Au(OH) + H3PO4 = Au3PO4 + H2O =>
3 Au(OH) + H3PO4 = Au3PO4 + 3 H2O
KNO3 + HBr = KBr + HNO3 =>
KNO3 + HBr = KBr + HNO3
Fe2(CO3)3 + NaOH = Fe(OH)3 + Na2CO3 =>
Fe2(CO3)3 + 6 NaOH = 2 Fe(OH)3 + 3 Na2CO3
CH2CH2 + HCl = CH2ClCH2Cl + H2 =>
CH2CH2 + 2 HCl = CH2ClCH2Cl + H2
Ca(ClO)2 + C3H8O = CaO + (ClO)2 + C + H =>
Ca(ClO)2 + C3H8O = CaO + (ClO)2 + 3 C + 8 H
NaOH + HCl = NaCl + H2O =>
NaOH + HCl = NaCl + H2O
BaBr2 = Ba + Br =>
BaBr2 = Ba + 2 Br
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