Équations équilibrées la veille |
BF3(g) + 3 H2O(l) = 3 HF(l) + H3BO3(s)
Mg + LiNO3 = Mg(NO3)2 + Li =>
Mg + 2 LiNO3 = Mg(NO3)2 + 2 Li
HCOOK + HNO3 = HCOOH + KNO3 =>
HCOOK + HNO3 = HCOOH + KNO3
Te + NO3{-} + H2O = TeO3{-2} + N2O4 + OH{-} =>
Te + 4 NO3{-} + H2O = TeO3{-2} + 2 N2O4 + 2 OH{-}
Cu3FeS3 + O2 = Cu + FeO + SO2 =>
2 Cu3FeS3 + 7 O2 = 6 Cu + 2 FeO + 6 SO2
FeCl2 + HCl = FeCl3 + H =>
FeCl2 + HCl = FeCl3 + H
Zn(OH)2 + OH = Zn(OH)3 =>
Zn(OH)2 + OH = Zn(OH)3
KNO3 + Cu(OH)2 = CuNO3 + K(OH)2 =>
KNO3 + Cu(OH)2 = CuNO3 + K(OH)2
PbCl2 + HCl = H2[PbCl4] =>
PbCl2 + 2 HCl = H2[PbCl4]
Ni3O2 = Ni + O2 =>
Ni3O2 = 3 Ni + O2
I2 + N2 = IN =>
I2 + N2 = 2 IN
AgNO3 + NaOH = AgOH + NaNO3 = Ag2O + H2O + NaNO3 =>
AgNO3 + NaOH = AgOH + NaNO3
Ba(NO3)2 + (NH4)2CO3 = BaCO3 + (NH4)(NO3) =>
Ba(NO3)2 + (NH4)2CO3 = BaCO3 + 2(NH4)(NO3)
HNO2 + Mg = Mg(NO3)2 + H2O + N2O =>
10 HNO2 + 2 Mg = 2 Mg(NO3)2 + 5 H2O + 3 N2O
HNO3 + Cr(OH)3 = Cr + NO3 + H2O =>
3 HNO3 + Cr(OH)3 = Cr + 3 NO3 + 3 H2O
Rb2O + Ca(CN)2 = CNRb + CaO =>
Rb2O + Ca(CN)2 = 2 CNRb + CaO
(NH4)2CO3 + NaOH = Na2CO3 + NH3 + H2O =>
(NH4)2CO3 + 2 NaOH = Na2CO3 + 2 NH3 + 2 H2O
PbCl2 + HCl = HPbCl3 =>
PbCl2 + HCl = HPbCl3
SO2 + HCl = S + HClO =>
SO2 + 2 HCl = S + 2 HClO
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Zn(OH)2 + OH = [Zn(OH)4] =>
Zn(OH)2 + 2 OH = [Zn(OH)4]
LiHCO3(s) = Li2CO3(s) + H2O(s) + CO2(g) =>
2 LiHCO3(s) = Li2CO3(s) + H2O(s) + CO2(g)
PbCl2 + HCl = H2PbCl4 =>
PbCl2 + 2 HCl = H2PbCl4
H2O + Fe = Fe2O3 + H2 =>
3 H2O + 2 Fe = Fe2O3 + 3 H2
Br + O2 = BrO3 =>
2 Br + 3 O2 = 2 BrO3
CaOHClH = CaClH2O =>
CaOHClH = CaClH2O
Zn(OH)2 + OH = ZnO2 + H2O =>
Zn(OH)2 + 2 OH = ZnO2 + 2 H2O
NH4OH + H3PO4 = (NH4)3PO4 + H2O =>
3 NH4OH + H3PO4 = (NH4)3PO4 + 3 H2O
KOH + CO2 = K2CO3H2O =>
2 KOH + CO2 = K2CO3H2O
SnCl2 + Na2S = NaCl + SnS =>
SnCl2 + Na2S = 2 NaCl + SnS
S + Se = SSe =>
S + Se = SSe
H2O + Fe = Fe2O3 + H2 =>
3 H2O + 2 Fe = Fe2O3 + 3 H2
Br + O2 = Br2O7 =>
4 Br + 7 O2 = 2 Br2O7
(NH4)H2PO4 = H3PO4 + NH3 =>
(NH4)H2PO4 = H3PO4 + NH3
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
Cu(OH)2 + HClO4 = CuClO4 + H(OH)2 =>
Cu(OH)2 + HClO4 = CuClO4 + H(OH)2
Cu(SO4) + Ca(OH)2 = Ca(SO4) + Cu(OH)2 =>
Cu(SO4) + Ca(OH)2 = Ca(SO4) + Cu(OH)2
Ta5 + O2 = Ta2O5 =>
4 Ta5 + 25 O2 = 10 Ta2O5
PbCl2 + HCl = PbCl4 + H =>
PbCl2 + 2 HCl = PbCl4 + 2 H
Br + O2 = Br2O =>
4 Br + O2 = 2 Br2O
PbCl2 + HCl = PbCl4 + H2 =>
PbCl2 + 2 HCl = PbCl4 + H2
Al2O3 + Fe = Fe3O4 + Al =>
4 Al2O3 + 9 Fe = 3 Fe3O4 + 8 Al
K2Cr2O7 + H2C2O4 = H2Cr2O7 + K2C2O4 =>
K2Cr2O7 + H2C2O4 = H2Cr2O7 + K2C2O4
Br + O2 = Br2O5 =>
4 Br + 5 O2 = 2 Br2O5
CH3COOH + Ba(OH)2 = Ba(CH3COO)2 + H2O =>
2 CH3COOH + Ba(OH)2 = Ba(CH3COO)2 + 2 H2O
PbCl2 + HCl = H[PbCl3] =>
PbCl2 + HCl = H[PbCl3]
Pb(NO3)2(aq) + NaCl(aq) = PbCl2(s) + NaNO3(aq) =>
Pb(NO3)2(aq) + 2 NaCl(aq) = PbCl2(s) + 2 NaNO3(aq)
Br + O2 = BrO2 =>
Br + O2 = BrO2
Mg3N2 + H2O = Mg(OH)2 + NH3 =>
Mg3N2 + 6 H2O = 3 Mg(OH)2 + 2 NH3
(NH4)2CO3 + HI = NH4I + H2O + CO2 =>
(NH4)2CO3 + 2 HI = 2 NH4I + H2O + CO2
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