| Équations équilibrées la veille |
2 KMnO4 + 16 HI = 2 KI + 5 I2 + 2 MnI2 + 8 H2O
Na2CO3 + H3PO4 = Na3PO4 + CO2 + H2O =>
3 Na2CO3 + 2 H3PO4 = 2 Na3PO4 + 3 CO2 + 3 H2O
CO2 + H2O = C2H6 + O2 =>
4 CO2 + 6 H2O = 2 C2H6 + 7 O2
BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
C14H10O2 + NaBH4 + C2H6O = C14H14O2 + NaB(C2H6O)4 =>
C14H10O2 + NaBH4 + 4 C2H6O = C14H14O2 + NaB(C2H6O)4
K2SO4 + NaCl = Na2SO4 + KCl =>
K2SO4 + 2 NaCl = Na2SO4 + 2 KCl
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
Fe2 + Cl1 = FeCl2 =>
Fe2 + 4 Cl1 = 2 FeCl2
Mg(NO3)2(aq) + NH3(aq) = MgH3 + N(NO3)2 =>
Mg(NO3)2(aq) + NH3(aq) = MgH3 + N(NO3)2
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
C6H8O7 + H2O = C6H8O7*H2O =>
C6H8O7 + H2O = C6H8O7*H2O
H2O + NO2 = NH3 + O2 =>
6 H2O + 4 NO2 = 4 NH3 + 7 O2
KBr + Na2CO3 = BrNa + K2CO3 =>
2 KBr + Na2CO3 = 2 BrNa + K2CO3
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
NaClO + Na2S4O6 + NaOH = NaCl + NaSO4 + H2O =>
9 NaClO + Na2S4O6 + 2 NaOH = 9 NaCl + 4 NaSO4 + H2O
Mn + Pb = MnPb =>
Mn + Pb = MnPb
K + Br2 = KBr =>
2 K + Br2 = 2 KBr
Mg(OH)2 + NaOH = Na2Mg(OH)4 =>
Mg(OH)2 + 2 NaOH = Na2Mg(OH)4
C6H12 + H2O = CH4 + CO2 =>
2 C6H12 + 6 H2O = 9 CH4 + 3 CO2
Fe2 + Cl1 = FeCl3 =>
Fe2 + 6 Cl1 = 2 FeCl3
S + H2O = SHO2 + H =>
S + 2 H2O = SHO2 + 3 H
H2 + SO2 = H2S + H2O =>
3 H2 + SO2 = H2S + 2 H2O
NaH2PO4*H2O = H3PO4 + NaOH =>
NaH2PO4*H2O = H3PO4 + NaOH
HBe3 + H2Ca = Ca + H3Be =>
HBe3 + 4 H2Ca = 4 Ca + 3 H3Be
NaSi + H2O = Na2Si2O5 + H2 =>
2 NaSi + 5 H2O = Na2Si2O5 + 5 H2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
H2PHO3 + H3O{+} + Zn = Zn{2+} + P + H2O =>
2 H2PHO3 + 6 H3O{+} + 3 Zn = 3 Zn{2+} + 2 P + 12 H2O
NaBr + Ca(OH)2 = CaBr2 + NaOH =>
2 NaBr + Ca(OH)2 = CaBr2 + 2 NaOH
Au + CN{-} + O2 + H2O = Au(CN)4{-} + OH{-} =>
4 Au + 16 CN{-} + 3 O2 + 6 H2O = 4 Au(CN)4{-} + 12 OH{-}
(P4O6)2 + H2O = H3PO3 =>
(P4O6)2 + 12 H2O = 8 H3PO3
KMnO4 + H2SO4 = MnSO4 + K2SO4 + H2O + O2 =>
4 KMnO4 + 6 H2SO4 = 4 MnSO4 + 2 K2SO4 + 6 H2O + 5 O2
P4O12 + H2O = H2PO4 =>
P4O12 + 4 H2O = 4 H2PO4
KMnO4 + Al = AlMnO4 + K =>
KMnO4 + Al = AlMnO4 + K
Be(OH)2 + NaOH = Na2(Be(OH)4) =>
Be(OH)2 + 2 NaOH = Na2(Be(OH)4)
NH4Br + H2SO3 = (NH4)2SO3 + HBr =>
2 NH4Br + H2SO3 = (NH4)2SO3 + 2 HBr
CO2(g) = C9(graf) + O2(g) =>
9 CO2(g) = C9(graf) + 9 O2(g)
CH3OH + O2(g) = CO2 + H2O =>
2 CH3OH + 3 O2(g) = 2 CO2 + 4 H2O
CO2 + H2O = C2H6 + O2 =>
4 CO2 + 6 H2O = 2 C2H6 + 7 O2
(CO2)2 + H2O = (C6H12O6)3 + H2O2 =>
9(CO2)2 + 54 H2O = (C6H12O6)3 + 36 H2O2
NiI2 + F = NiF + I =>
NiI2 + F = NiF + 2 I
BiCl + H2O = BiOH + HCl =>
BiCl + H2O = BiOH + HCl
Pt + HCl + H2O2 = H2PtCl6 + H2O =>
Pt + 6 HCl + 2 H2O2 = H2PtCl6 + 4 H2O
AgF + Mg(NO3)2 = AgNO3 + MgF2 =>
2 AgF + Mg(NO3)2 = 2 AgNO3 + MgF2
C4H2 + O2 = CO2 + H =>
C4H2 + 4 O2 = 4 CO2 + 2 H
C18H29O3S{-} + O2 = CO2 + H2O + H{+} + SO4{2-} =>
2 C18H29O3S{-} + 51 O2 = 36 CO2 + 28 H2O + 2 H{+} + 2 SO4{2-}
Ca(OH)2 + CO2 = CaCO3 + H2O =>
Ca(OH)2 + CO2 = CaCO3 + H2O
FePO4 + Na2SO4 = Fe2(SO4)3 + Na3PO4 =>
2 FePO4 + 3 Na2SO4 = Fe2(SO4)3 + 2 Na3PO4
C1H246 + O2 = CO2 + H2O =>
2 C1H246 + 125 O2 = 2 CO2 + 246 H2O
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