| Équations équilibrées la veille |
20 Na2CO3 + 125 C20H14O4 = 56 H2O + 40 Na + 126 C20H13O4
KClO3 + KBr + H2SO4 = K2SO4 + Br2 + KCl + H2O =>
KClO3 + 6 KBr + 3 H2SO4 = 3 K2SO4 + 3 Br2 + KCl + 3 H2O
NaBr + KOH = KBr + NaOH =>
NaBr + KOH = KBr + NaOH
Fe + HNO3(dilute) = Fe(NO3)3 + NO + H2O =>
Fe + 4 HNO3(dilute) = Fe(NO3)3 + NO + 2 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
BaBr2 + Cd = CdBr2 + Ba =>
BaBr2 + Cd = CdBr2 + Ba
Ba(OH)2 + H2O = H3BaO3 + H2 =>
2 Ba(OH)2 + 2 H2O = 2 H3BaO3 + H2
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
AgNO3 + Li = LiNO3 + Ag =>
AgNO3 + Li = LiNO3 + Ag
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
Br + Cl = BrCl =>
Br + Cl = BrCl
H2SO4 + BaCl2 = BaSO4 + HCl =>
H2SO4 + BaCl2 = BaSO4 + 2 HCl
CaSO3 + HCl = CaCl2 + SO2 + H2O =>
CaSO3 + 2 HCl = CaCl2 + SO2 + H2O
KClO3 + CuO + NH3 + H + O = KOH + [Cu(NH3)4](ClO3)2 =>
2 KClO3 + CuO + 4 NH3 + 2 H + O = 2 KOH + [Cu(NH3)4](ClO3)2
AgNO3 + Li = LiNO3 + Ag =>
AgNO3 + Li = LiNO3 + Ag
CaSO4(s) = CaO(s) + SO3(g) =>
CaSO4(s) = CaO(s) + SO3(g)
COOH + NaOH = H2O + Na + COO =>
COOH + NaOH = H2O + Na + COO
H + N3O = H2O + N =>
2 H + N3O = H2O + 3 N
Fe{3+} + Sn{2+}{+} = Fe{2+}{+} + Sn{4+} =>
2 Fe{3+} + Sn{2+}{+} = 2 Fe{2+}{+} + Sn{4+}
K2PO4 + Ni(ClO)2 = Ni2(PO4)2 + KClO =>
2 K2PO4 + 2 Ni(ClO)2 = Ni2(PO4)2 + 4 KClO
Al(s) + HCl(aq) = AlCl3(aq) + H2(g) =>
2 Al(s) + 6 HCl(aq) = 2 AlCl3(aq) + 3 H2(g)
Ti + AuF = Au + TiF4 =>
Ti + 4 AuF = 4 Au + TiF4
Cs + F2 = CsF =>
2 Cs + F2 = 2 CsF
Ce{+4} + Fe2 = Ce{+3} + Fe{+2} =>
4 Ce{+4} + Fe2 = 4 Ce{+3} + 2 Fe{+2}
CO(NH2)2 + KBrO3 + NaOH = KBr + Na2CO3 + N2 + H2O =>
CO(NH2)2 + KBrO3 + 2 NaOH = KBr + Na2CO3 + N2 + 3 H2O
K2Cr2O7(aq) + H2SO4(aq) + H2C2O4(aq) = Cr2(SO4)3(aq) + CO2(g) + K2SO4(aq) + H2O(l) =>
K2Cr2O7(aq) + 4 H2SO4(aq) + 3 H2C2O4(aq) = Cr2(SO4)3(aq) + 6 CO2(g) + K2SO4(aq) + 7 H2O(l)
NaBr(s) + Cl2(g) = NaCl(s) + Br2(l) =>
2 NaBr(s) + Cl2(g) = 2 NaCl(s) + Br2(l)
Al2O3(aq) + H2(g) = Al(s) + H2O(g) =>
Al2O3(aq) + 3 H2(g) = 2 Al(s) + 3 H2O(g)
PF3 = P + F2 =>
2 PF3 = 2 P + 3 F2
C6H5NH3Cl + Br2 = Br3C6H2NH3Cl + HBr =>
C6H5NH3Cl + 3 Br2 = Br3C6H2NH3Cl + 3 HBr
C4H4O6{2-} + ClO3{-} + OH{-} = CO3{2-} + Cl{-} + H2O =>
3 C4H4O6{2-} + 5 ClO3{-} + 18 OH{-} = 12 CO3{2-} + 5 Cl{-} + 15 H2O
H3PO4 + NaBr = HBr + Na3PO4 =>
H3PO4 + 3 NaBr = 3 HBr + Na3PO4
P1 + O2 = P2O3 =>
4 P1 + 3 O2 = 2 P2O3
BCl3 + BF3 = BClF2 =>
BCl3 + 2 BF3 = 3 BClF2
BaCl2 + Na2CrO4 = BaCrO4 + NaCl =>
BaCl2 + Na2CrO4 = BaCrO4 + 2 NaCl
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
H + O = H2O =>
2 H + O = H2O
Ca(NO3)2 + NH4Br = CaBr2 + NH4NO3 =>
Ca(NO3)2 + 2 NH4Br = CaBr2 + 2 NH4NO3
NaF + CaI2 = CaF2 + NaI =>
2 NaF + CaI2 = CaF2 + 2 NaI
KIO + H = HKIO =>
KIO + H = HKIO
Cr2O3 + NaNO3 + NaOH = Na2CrO4 + NO(g) + H2O =>
Cr2O3 + 2 NaNO3 + 2 NaOH = 2 Na2CrO4 + 2 NO(g) + H2O
HCl + AgNO3 = AgH + ClNO3 =>
HCl + AgNO3 = AgH + ClNO3
CuCl2*4H2O + NaBH4 = Cu + NaCl + BH4 + H2O =>
CuCl2*4H2O + 2 NaBH4 = Cu + 2 NaCl + 2 BH4 + 4 H2O
NaBr + Ca(OH)2 = CaBr2 + NaOH =>
2 NaBr + Ca(OH)2 = CaBr2 + 2 NaOH
H3PO4 + NaBr = HBr + Na3PO4 =>
H3PO4 + 3 NaBr = 3 HBr + Na3PO4
NH4Cl + CaOH = NH3CaCl + H2O =>
NH4Cl + CaOH = NH3CaCl + H2O
C6(H2O) + O2 = CO2 + H2O =>
C6(H2O) + 6 O2 = 6 CO2 + H2O
H3PO4 + NaBr = HBr + Na3PO4 =>
H3PO4 + 3 NaBr = 3 HBr + Na3PO4
Cl2 + MgO2 = ClO + Mg =>
Cl2 + MgO2 = 2 ClO + Mg
S(s) + H2(g) = H2S(aq) =>
S(s) + H2(g) = H2S(aq)
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