| Équations équilibrées la veille |
3 S8(s) + 16 B(s) = 8 B2S3(s)
C9H7N{-} + H2O = OH{-} + HC9H7N =>
C9H7N{-} + H2O = OH{-} + HC9H7N
NH4NO3 + C = N + H2O + CO2 =>
2 NH4NO3 + C = 4 N + 4 H2O + CO2
C7H8 + Na2CO3 + KMnO4 = H2O + KOH + MnO2 + NaC7H5O2 =>
13 C7H8 + 7 Na2CO3 + 16 KMnO4 = 9 H2O + 16 KOH + 16 MnO2 + 14 NaC7H5O2
NaHSO4 + Na2CO3 = Na2SO4 + H2O + CO2 =>
2 NaHSO4 + Na2CO3 = 2 Na2SO4 + H2O + CO2
MnO2 + Cl2 + NaOH = Mn(OH)2 + NaClO =>
MnO2 + Cl2 + 2 NaOH = Mn(OH)2 + 2 NaClO
ZnSO4 + Mg(OH)2 = Zn(OH)2 + MgSO4 =>
ZnSO4 + Mg(OH)2 = Zn(OH)2 + MgSO4
CdCl2 + (NH4)2S = CdS + (NH4)2Cl2 =>
CdCl2 + (NH4)2S = CdS + (NH4)2Cl2
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
AgNO3 + KI = AgI + KNO3 =>
AgNO3 + KI = AgI + KNO3
K2S + HCl = H2S + KCl =>
K2S + 2 HCl = H2S + 2 KCl
Al(PO4) + Zn = Zn3(PO4) + Al =>
Al(PO4) + 3 Zn = Zn3(PO4) + Al
K2HPO4 + Mn(NO3)2 = Mn3(PO4)2 + KNO3 + HNO3 =>
2 K2HPO4 + 3 Mn(NO3)2 = Mn3(PO4)2 + 4 KNO3 + 2 HNO3
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
H3PO4{3-} + KOH = K3PO4{3-} + H2O =>
H3PO4{3-} + 3 KOH = K3PO4{3-} + 3 H2O
AgNO3 + KI = AgI + KNO3 =>
AgNO3 + KI = AgI + KNO3
N + H + P + O = (NH4)3PO4 =>
3 N + 12 H + P + 4 O = (NH4)3PO4
HBr + C = CBr4 + H2 =>
4 HBr + C = CBr4 + 2 H2
Na3VO4 + H2SO4 = V2O5 + Na2SO4 + H2O =>
2 Na3VO4 + 3 H2SO4 = V2O5 + 3 Na2SO4 + 3 H2O
KNO2 + NH4Br = KBr + N2 + H2O =>
KNO2 + NH4Br = KBr + N2 + 2 H2O
Cr2O3 + H2O2 + NaOH = Na2Cr2O7 + H2O =>
Cr2O3 + 3 H2O2 + 2 NaOH = Na2Cr2O7 + 4 H2O
Na2SO3 + I + H2O = NaI + H2SO4 =>
Na2SO3 + 2 I + H2O = 2 NaI + H2SO4
NaONaOH2 = NaOH =>
NaONaOH2 = 2 NaOH
COCl2 + H2O = HCl + CO2 =>
COCl2 + H2O = 2 HCl + CO2
C13H10O8 + O2 = CO2 + H2O =>
2 C13H10O8 + 23 O2 = 26 CO2 + 10 H2O
C6H5NH2 + HNO3 = C6H5NO3 + NH3 =>
C6H5NH2 + HNO3 = C6H5NO3 + NH3
Mo + HNO3 = MoO3 + HNO =>
2 Mo + 3 HNO3 = 2 MoO3 + 3 HNO
K3PO4 + CaSO4 = K3SO4 + CaPO4 =>
K3PO4 + CaSO4 = K3SO4 + CaPO4
CaCl2 + Pa3PO4 = Ca3(PO4)2 + PaCl =>
3 CaCl2 + 2 Pa3PO4 = Ca3(PO4)2 + 6 PaCl
ZnSO4 + H2O = H2SO4 + Zn(OH)2 =>
ZnSO4 + 2 H2O = H2SO4 + Zn(OH)2
NaNO2 = NaNO + O =>
NaNO2 = NaNO + O
NH4{+} + H2O = NH4OH + H{+} =>
NH4{+} + H2O = NH4OH + H{+}
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
PbO2 + KOH + H2O = K4[Pb(OH)8] =>
PbO2 + 4 KOH + 2 H2O = K4[Pb(OH)8]
HNO3 + Al(OH)3 = Al(NO3)3 + H2O =>
3 HNO3 + Al(OH)3 = Al(NO3)3 + 3 H2O
benzene + oxygen = phenol =>
2 C6H6 + O2 = 2 C6H5OH
C7H14 = C + H =>
C7H14 = 7 C + 14 H
Cs8U4W6O34 + NaNO3 + H2O = CsNO3 + Na2WO4*2H2O + UO3 + UO2(NO3)2*6H2O =>
Cs8U4W6O34 + 12 NaNO3 + 24 H2O = 8 CsNO3 + 6 Na2WO4*2H2O + 2 UO3 + 2 UO2(NO3)2*6H2O
Ba(HO)2 + H2SO4 = H2O + BaSO4 =>
Ba(HO)2 + H2SO4 = 2 H2O + BaSO4
PH2 + N2O = P4O10 + H2O + N2 =>
4 PH2 + 14 N2O = P4O10 + 4 H2O + 14 N2
AgNO3 + NaBr = AgBr + NaNO3 =>
AgNO3 + NaBr = AgBr + NaNO3
AgNO3 + H2SO4 = Ag2SO4 + HNO3 =>
2 AgNO3 + H2SO4 = Ag2SO4 + 2 HNO3
CaCO + HCl = COCl2 + CaCl2 + H2 =>
CaCO + 4 HCl = COCl2 + CaCl2 + 2 H2
Pb + S4 = PbS =>
4 Pb + S4 = 4 PbS
HNO3(aq) + NaOH(aq) = NaNO3(aq) + H2O(g) =>
HNO3(aq) + NaOH(aq) = NaNO3(aq) + H2O(g)
Mg(s) + Zn(NO3)(aq) = Mg(NO3)2(aq) + Zn(s) =>
Mg(s) + 2 Zn(NO3)(aq) = Mg(NO3)2(aq) + 2 Zn(s)
K2CO3 + H2SO4 = K2SO4 + H2O + CO2 =>
K2CO3 + H2SO4 = K2SO4 + H2O + CO2
BeO = Be + O =>
BeO = Be + O
C3H5N6O9 = CO2 + N2 + H2O + O2 =>
4 C3H5N6O9 = 12 CO2 + 12 N2 + 10 H2O + O2
Na2Cr2O7 + Na2S + H2O = Cr(OH)3 + NaOH + S =>
Na2Cr2O7 + 3 Na2S + 7 H2O = 2 Cr(OH)3 + 8 NaOH + 3 S
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