Équations équilibrées la veille |
CuS + 3 O = CuO + SO2
CKOH = COHK =>
CKOH = COHK
CH3CHOHBr = CH3COBrH2 =>
CH3CHOHBr = CH3COBrH2
As2S3 + HNO3 = H3AsO4 + NO + SO2 + H2O =>
3 As2S3 + 22 HNO3 = 6 H3AsO4 + 22 NO + 9 SO2 + 2 H2O
KOHC = COKH =>
KOHC = COKH
Ag(s) + CuCl2(aq) = AgCl3 + Cu =>
2 Ag(s) + 3 CuCl2(aq) = 2 AgCl3 + 3 Cu
NiSO4 + HgNO3 = Ni(NO3)2 + Hg2SO4 =>
NiSO4 + 2 HgNO3 = Ni(NO3)2 + Hg2SO4
Cu + HNO3 = Cu(NO3)2 + H2O + N2O =>
4 Cu + 10 HNO3 = 4 Cu(NO3)2 + 5 H2O + N2O
Bi{3{+}+NH3+H2O = Bi(OH)3+(NH4){+} =>
Bi{3{+}+3NH3+3H2O = Bi(OH)3+3(NH4){+}
NaOH = Na + OH =>
NaOH = Na + OH
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
NH4HCO3 + HNO3 = NH4NO3 + H2O + CO2 =>
NH4HCO3 + HNO3 = NH4NO3 + H2O + CO2
CH3COClC2H5ONa = CH3COOC2H5NaCl =>
CH3COClC2H5ONa = CH3COOC2H5NaCl
Pb(NO3)2(aq) + LiCl(aq) = LiNO3(aq) + PbCl2(s) =>
Pb(NO3)2(aq) + 2 LiCl(aq) = 2 LiNO3(aq) + PbCl2(s)
Mg(OH)2 + HNO3 = MgH + (OH)2NO3 =>
Mg(OH)2 + HNO3 = MgH + (OH)2NO3
Cu + HNO3 = Cu(NO3)2 + H2O + NO =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 4 H2O + 2 NO
N + Br = NBr3 =>
N + 3 Br = NBr3
C3H5O3{-} + H{+} + C2Cl4 = C2H4 + CO2 + HCl =>
8 C3H5O3{-} + 8 H{+} + 3 C2Cl4 = 9 C2H4 + 12 CO2 + 12 HCl
CaCO3 + H3PO4 = Ca3(PO4)2 + H2O + CO2 =>
3 CaCO3 + 2 H3PO4 = Ca3(PO4)2 + 3 H2O + 3 CO2
NaHCO3 = CO2Na2CO3H2O =>
2 NaHCO3 = CO2Na2CO3H2O
MgOOCO + HCl = ClMgCl + HOH + OCO =>
MgOOCO + 2 HCl = ClMgCl + HOH + OCO
KHC8H4O4 + NaOH = KNaC8H4O4 + H2O =>
KHC8H4O4 + NaOH = KNaC8H4O4 + H2O
Pb(NO3)2 + Na2SO4 = PbSO4 + Na2(NO3)2 =>
Pb(NO3)2 + Na2SO4 = PbSO4 + Na2(NO3)2
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
KOH + Li2SO3 = K2SO3 + LiOH =>
2 KOH + Li2SO3 = K2SO3 + 2 LiOH
Cu + HNO3 = Cu(NO3)2 + H2O + NO2 =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 H2O + 2 NO2
H2SO4 + ZnO2 = ZnSO4 + O2 + H2O =>
2 H2SO4 + 2 ZnO2 = 2 ZnSO4 + O2 + 2 H2O
NH4I + CsCl = NH4Cl + CsI =>
NH4I + CsCl = NH4Cl + CsI
Al(s) + SnSO4(aq) = Al(s)SnSO4(aq) =>
Al(s) + SnSO4(aq) = Al(s)SnSO4(aq)
H{+} + Cr2O7{-2} + C2H5OH = Cr + CO2 + H2O =>
2 H{+} + Cr2O7{-2} + C2H5OH = 2 Cr + 2 CO2 + 4 H2O
Mg(NO3)2 + NaCl = MgCl2 + NaNO3 =>
Mg(NO3)2 + 2 NaCl = MgCl2 + 2 NaNO3
Ca(NO3)2*4H2O + NH4H2PO4 + CO(NH2)2 = Ca10(PO4)6(OH)2 + CO2(g) + N2(g) + H2O(g) =>
30 Ca(NO3)2*4H2O + 18 NH4H2PO4 + 41 CO(NH2)2 = 3 Ca10(PO4)6(OH)2 + 41 CO2(g) + 80 N2(g) + 253 H2O(g)
SnCl2 + Na2S = SnS + NaCl =>
SnCl2 + Na2S = SnS + 2 NaCl
AgNO3NaOH = AgOHNaNO3 =>
AgNO3NaOH = AgOHNaNO3
Cd + HCl = HCd + CdCl =>
2 Cd + HCl = HCd + CdCl
Ba(NO3)2 + CuCl2 = Cu(NO3)2 + BaCl2 =>
Ba(NO3)2 + CuCl2 = Cu(NO3)2 + BaCl2
C2H2 + HCN = C3H3N =>
C2H2 + HCN = C3H3N
Ba(HCO3)2 + Ca(PO4)2 = Ba(PO4)2 + Ca(HCO3)2 =>
Ba(HCO3)2 + Ca(PO4)2 = Ba(PO4)2 + Ca(HCO3)2
C + H2 = C3H8 =>
3 C + 4 H2 = C3H8
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
NO2 + F2 = NF3 + O2 =>
2 NO2 + 3 F2 = 2 NF3 + 2 O2
CO2 + HNO3 = CO3 + NO2 + H2O =>
CO2 + 2 HNO3 = CO3 + 2 NO2 + H2O
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
SrI2 + Na2SO4 = NaI + SrSO4 =>
SrI2 + Na2SO4 = 2 NaI + SrSO4
Zn(s) + AgNO3(aq) = ZnNO3(s) + Ag(s) =>
Zn(s) + AgNO3(aq) = ZnNO3(s) + Ag(s)
H2N + Cd(OH)2 = CdN + H2O =>
H2N + Cd(OH)2 = CdN + 2 H2O
CaCO3 + H3PO4 = Ca3(PO4)2 + H2O + CO2 =>
3 CaCO3 + 2 H3PO4 = Ca3(PO4)2 + 3 H2O + 3 CO2
Ag(s) + S8(s) = Ag2S(s) =>
16 Ag(s) + S8(s) = 8 Ag2S(s)
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Zn(s) + AgNO3(aq) = ZnNO3(s) + Ag(s) =>
Zn(s) + AgNO3(aq) = ZnNO3(s) + Ag(s)
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