| Équations équilibrées la veille |
N2H2H2O2 = 2 NH2O
KI + Ca(ClO4)2 = KClO4 + CaI2 =>
2 KI + Ca(ClO4)2 = 2 KClO4 + CaI2
Al(OH)4{-} + H2SO4 = SO4{2-} + Al(OH)3 + H2O =>
2 Al(OH)4{-} + H2SO4 = SO4{2-} + 2 Al(OH)3 + 2 H2O
KClO3 + S + H2O = Cl2 + K2SO4 + H2SO4 =>
6 KClO3 + 5 S + 2 H2O = 3 Cl2 + 3 K2SO4 + 2 H2SO4
H2 + Br2 = HBr =>
H2 + Br2 = 2 HBr
HBr + CaSO4 = CaBr2 + H2O + SO3 =>
2 HBr + CaSO4 = CaBr2 + H2O + SO3
N + SO3 = N2SO3 =>
2 N + SO3 = N2SO3
Fe + Cl + KOH = Fe(OH)2 + KCl =>
Fe + 2 Cl + 2 KOH = Fe(OH)2 + 2 KCl
CrPO4 + HBr = CrBr3 + H3PO4 =>
CrPO4 + 3 HBr = CrBr3 + H3PO4
P4 + NaOH + H2O = PH4 + NaH2PO4 =>
9 P4 + 16 NaOH + 48 H2O = 20 PH4 + 16 NaH2PO4
CrO3 + H2O = Cr(OH)6 =>
CrO3 + 3 H2O = Cr(OH)6
NaCrO2 + Cl2 + NaOH = NaCrO4 + NaCl + H2O =>
NaCrO2 + 2 Cl2 + 4 NaOH = NaCrO4 + 4 NaCl + 2 H2O
C6H5OH + O2 = CO2 + H2O =>
C6H5OH + 7 O2 = 6 CO2 + 3 H2O
BaCl2 + KCIO3 = KCl2 + BaCIO3 =>
BaCl2 + KCIO3 = KCl2 + BaCIO3
K2O + ZnO = K2ZnO2 =>
K2O + ZnO = K2ZnO2
CrI3 + Cl2 + NaOH = Na2CrO + NaIO4 + NaCl + H2O =>
2 CrI3 + 21 Cl2 + 52 NaOH = 2 Na2CrO + 6 NaIO4 + 42 NaCl + 26 H2O
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
C2H2O4 + K2Cr2O7 = H2O + K2C2O4 + Cr2O3 + O2 =>
2 C2H2O4 + 2 K2Cr2O7 = 2 H2O + 2 K2C2O4 + 2 Cr2O3 + 3 O2
CrPO4 + HBr = CrBr3 + H3PO4 =>
CrPO4 + 3 HBr = CrBr3 + H3PO4
MgCl2 + ClO2 = MgClO2 + Cl2 =>
MgCl2 + ClO2 = MgClO2 + Cl2
Pb(No3)2BaCl2 = PbCl2Ba(No3)2 =>
Pb(No3)2BaCl2 = PbCl2Ba(No3)2
O2 + Ba(NO2)2 = BaO + NO2 =>
O2 + 2 Ba(NO2)2 = 2 BaO + 4 NO2
KMnO4 + CH3COOH + Na2SO3 = Na2SO4 + CH3COOK + (CH3COO)2Mn + H2O =>
2 KMnO4 + 6 CH3COOH + 5 Na2SO3 = 5 Na2SO4 + 2 CH3COOK + 2(CH3COO)2Mn + 3 H2O
I2 + Cu = I{-} + Cu2{+} =>
I2 + 4 Cu = 2 I{-} + 2 Cu2{+}
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
NaOH + H2O = Na[(OH)4] + H2 =>
2 NaOH + 6 H2O = 2 Na[(OH)4] + 3 H2
NaIO3 + NaHSO3 = NaHSO4 + Na2SO4 + H2O + I2 =>
2 NaIO3 + 5 NaHSO3 = 3 NaHSO4 + 2 Na2SO4 + H2O + I2
NaCrO2 + Cl2 + NaOH = NaCrO4 + NaCl + H2O =>
NaCrO2 + 2 Cl2 + 4 NaOH = NaCrO4 + 4 NaCl + 2 H2O
BaCl2 + KCIO3 = KCl2 + BaCIO3 =>
BaCl2 + KCIO3 = KCl2 + BaCIO3
N + SO3 = N2SO3 =>
2 N + SO3 = N2SO3
H3 + O4 = H3O4 =>
H3 + O4 = H3O4
Yb + Cr + Ge + Sn = YbCr3Ge6Sn6 =>
Yb + 3 Cr + 6 Ge + 6 Sn = YbCr3Ge6Sn6
KHS + KMnO4 + H2O = KOH + MnO2 + S =>
3 KHS + 2 KMnO4 + H2O = 5 KOH + 2 MnO2 + 3 S
Ba2 + O = Ba2O2 =>
Ba2 + 2 O = Ba2O2
Sb2O3 + NaOH = NaSbO2 + H2O =>
Sb2O3 + 2 NaOH = 2 NaSbO2 + H2O
FeBr2 + NaOH = Fe(OH)2 + NaBr =>
FeBr2 + 2 NaOH = Fe(OH)2 + 2 NaBr
NaCl + Li3PO4 = Na3PO4 + LiCl =>
3 NaCl + Li3PO4 = Na3PO4 + 3 LiCl
Cr2O3 + Zn = ZnO + Cr =>
Cr2O3 + 3 Zn = 3 ZnO + 2 Cr
Ca(No3)2(aq) + (NH4)2SO4(aq) = CaSO4 + NH4No3 =>
Ca(No3)2(aq) + (NH4)2SO4(aq) = CaSO4 + 2 NH4No3
Hg2Cl2 + NH3 = HgNH2{+}(aq) + Hg + NH4{+} + Cl{-} =>
Hg2Cl2 + 2 NH3 = HgNH2{+}(aq) + Hg + NH4{+} + 2 Cl{-}
Ca(NO3)2(aq) + (NH4)2SO4(aq) = CaSO4(s) + NH4NO3(aq) =>
Ca(NO3)2(aq) + (NH4)2SO4(aq) = CaSO4(s) + 2 NH4NO3(aq)
C3H6H2O = C3H7OH =>
C3H6H2O = C3H7OH
KMnO4NaOHNaNO2 = KOHMnO4Na2NO2 =>
KMnO4NaOHNaNO2 = KOHMnO4Na2NO2
NiCl2(s) + O2(g) = NiO(s) + Cl2O5(g) =>
NiCl2(s) + 3 O2(g) = NiO(s) + Cl2O5(g)
SO2 + O4 = SO3 =>
4 SO2 + O4 = 4 SO3
KMnO4 + C3H5(OH)3 = K2CO3 + Mn203 + CO2 + H2O =>
406 KMnO4 + 203 C3H5(OH)3 = 203 K2CO3 + 2 Mn203 + 406 CO2 + 812 H2O
KMnO4 + Na2S + H2SO4 = H2O + K2SO4 + MnSO4 + Na2SO4 =>
8 KMnO4 + 5 Na2S + 12 H2SO4 = 12 H2O + 4 K2SO4 + 8 MnSO4 + 5 Na2SO4
C2H4Br = C2H4 + Br =>
C2H4Br = C2H4 + Br
CuCO3 + H2SO4 = CuSO4 + H2O + CO2 =>
CuCO3 + H2SO4 = CuSO4 + H2O + CO2
Ca + P = Ca3P2 =>
3 Ca + 2 P = Ca3P2
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