Équations équilibrées la veille |
4 C2H2N2 + 5 N2O4 = 8 CO2 + 4 H2O + 9 N2
Cr(OH)2 + Br2 + NaOH = Cr(OH)3 + NaBr =>
2 Cr(OH)2 + Br2 + 2 NaOH = 2 Cr(OH)3 + 2 NaBr
Ca + CH3COOH = Ca(C2H3O2) + H =>
Ca + CH3COOH = Ca(C2H3O2) + H
C3H7N + O2 = CO2 + H2O + N2 =>
4 C3H7N + 19 O2 = 12 CO2 + 14 H2O + 2 N2
CeN3O9 + NaOH = Ce(OH)3 + NaNO3 =>
CeN3O9 + 3 NaOH = Ce(OH)3 + 3 NaNO3
Mg(OH)2 = MgO + H2O =>
Mg(OH)2 = MgO + H2O
Cu(s) + H3Po4(aq) = Cu3(Po4)2(s) + H2(g) =>
3 Cu(s) + 2 H3Po4(aq) = Cu3(Po4)2(s) + 3 H2(g)
SCl + AgN = AgCl + SN =>
SCl + AgN = AgCl + SN
(NH4)2CO3 + NaOH = Na2CO3 + NH4OH =>
(NH4)2CO3 + 2 NaOH = Na2CO3 + 2 NH4OH
Fe + FeO2 + H2SO4 = Fe2SO4 + H2O =>
3 Fe + FeO2 + 2 H2SO4 = 2 Fe2SO4 + 2 H2O
HNO3 + Fe(OH)3 = Fe(NO3)3 + H2O =>
3 HNO3 + Fe(OH)3 = Fe(NO3)3 + 3 H2O
CH3CH2OH + CuO = CHCHO + H2O + Cu =>
CH3CH2OH + 2 CuO = CHCHO + 2 H2O + 2 Cu
Cu(OH)2 + NH3 = Cu(NH3)4(OH)2 =>
Cu(OH)2 + 4 NH3 = Cu(NH3)4(OH)2
K2(CO3) + SnCl4 = KCl + Sn(CO3)2 =>
2 K2(CO3) + SnCl4 = 4 KCl + Sn(CO3)2
X + YZW + V2 + U2V = YX(ZW)2 + YVU =>
4 X + 8 YZW + V2 + 2 U2V = 4 YX(ZW)2 + 4 YVU
Zn + Fe2O3 = Fe + ZnO =>
3 Zn + Fe2O3 = 2 Fe + 3 ZnO
CaSO4*H2O = CaSO4 + H2O =>
CaSO4*H2O = CaSO4 + H2O
CuSO4 + Zn = (CuSO4)Zn =>
CuSO4 + Zn = (CuSO4)Zn
CuSO4*H2O = CuO + SO2 + O2 + H2O =>
2 CuSO4*H2O = 2 CuO + 2 SO2 + O2 + 2 H2O
Li2O + Al2O3 = LiAl5O8 =>
Li2O + 5 Al2O3 = 2 LiAl5O8
Pb(NO3)2 + K2Cr2O7 = Cr2O7Pb + KNO3 =>
Pb(NO3)2 + K2Cr2O7 = Cr2O7Pb + 2 KNO3
HO{-} + AH = A{-} + H2O =>
HO{-} + AH = A{-} + H2O
HC3H3O3 + NaHCO3 = CO2 + H2O + NaC3H3O3 =>
HC3H3O3 + NaHCO3 = CO2 + H2O + NaC3H3O3
NH3 + H2O = NH3*H2O = NH4 + OH =>
NH3 + H2O = NH3*H2O
Fe + CH3CO2 = Fe(CH3CO2)2 =>
Fe + 2 CH3CO2 = Fe(CH3CO2)2
H2(g) + CuO(s) = Cu(s) + H2O(g) =>
H2(g) + CuO(s) = Cu(s) + H2O(g)
CuBr2 + H2SO4 = CuSO4 + Br2 + SO2 + H2O =>
CuBr2 + 2 H2SO4 = CuSO4 + Br2 + SO2 + 2 H2O
Fe(OH)3 + NaOH = Na3FeO3 + H2O =>
Fe(OH)3 + 3 NaOH = Na3FeO3 + 3 H2O
NH4OH + HCl = HNH4OH + Cl =>
NH4OH + HCl = HNH4OH + Cl
CH3COOFe(aq) + NaCl(aq) = CH3COONa(aq) + FeCl(l) =>
CH3COOFe(aq) + NaCl(aq) = CH3COONa(aq) + FeCl(l)
CuO + H2O = Cu(OH)2 =>
CuO + H2O = Cu(OH)2
C12H22O14 + HNO3 = CO2 + H2O + NO2 =>
C12H22O14 + 42 HNO3 = 12 CO2 + 32 H2O + 42 NO2
CuS + HNO3 = Cu(NO3)2 + H2O + NO2 + S =>
CuS + 4 HNO3 = Cu(NO3)2 + 2 H2O + 2 NO2 + S
AuCl3(aq) + Ca(s) = CaCl2(aq) + Au(s) =>
2 AuCl3(aq) + 3 Ca(s) = 3 CaCl2(aq) + 2 Au(s)
Li + Au2(SO4)3 = Au + Li2SO4 =>
6 Li + Au2(SO4)3 = 2 Au + 3 Li2SO4
NH4N3 + PNCl2 = H7P13N24 + N2 + HCl =>
33 NH4N3 + 52 PNCl2 = 4 H7P13N24 + 44 N2 + 104 HCl
CuCl2(aq) + (NH4)3PO4(aq) = Cu3(PO4)2(s) + NH4Cl(aq) =>
3 CuCl2(aq) + 2(NH4)3PO4(aq) = Cu3(PO4)2(s) + 6 NH4Cl(aq)
NaOH + HNO2 = NaNO2 + H2O =>
NaOH + HNO2 = NaNO2 + H2O
Al(NO3)3 + Ag = Al + AgNO3 =>
Al(NO3)3 + 3 Ag = Al + 3 AgNO3
FeS2 + HCl = FeCl2 + H2S2 =>
FeS2 + 2 HCl = FeCl2 + H2S2
MgSO4Al2(SO4)3 = Mg(SO4)3Al2SO4 =>
MgSO4Al2(SO4)3 = Mg(SO4)3Al2SO4
Ir(OH)3 = Ir2O3 + H2O =>
2 Ir(OH)3 = Ir2O3 + 3 H2O
NaOH + Mg(HCO3)2 = Mg(OH)2 + NaHCO3 =>
2 NaOH + Mg(HCO3)2 = Mg(OH)2 + 2 NaHCO3
H2O2 + NaOH + SnO = Na2SnO3 + H2O =>
H2O2 + 2 NaOH + SnO = Na2SnO3 + 2 H2O
Al(OH)3 + NaOH = AlO3 + H2O + Na =>
Al(OH)3 + 3 NaOH = AlO3 + 3 H2O + 3 Na
Sn + HNO3 = Sn(NO3)4 + H2 =>
Sn + 4 HNO3 = Sn(NO3)4 + 2 H2
H2S + Na2CrO7 + H2SO4 = Cr(SO4)3 + H2O + NaHSO4 =>
3 H2S + 4 Na2CrO7 + 17 H2SO4 = 4 Cr(SO4)3 + 16 H2O + 8 NaHSO4
Br2 + NaOH + NaNO2 = NaBr + NaNO3 + HBr =>
Br2 + NaOH + NaNO2 = NaBr + NaNO3 + HBr
[Ca5(PO4)3F] + H2SO4 = H3PO4 + HF + CaSO4 =>
[Ca5(PO4)3F] + 5 H2SO4 = 3 H3PO4 + HF + 5 CaSO4
NH4H2PO4 + Sc2O3 + Na2CO3 = Na3Sc2P3O12 + H2O + CO2 + NH3 =>
6 NH4H2PO4 + 2 Sc2O3 + 3 Na2CO3 = 2 Na3Sc2P3O12 + 9 H2O + 3 CO2 + 6 NH3
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