Équations équilibrées la veille |
7 Sn3P4 + 12 MnF7 = 21 SnF4 + 4 Mn3P7
Zn(CO3)2 + HNO3 = HCO3 + Zn(NO3)2 =>
Zn(CO3)2 + 2 HNO3 = 2 HCO3 + Zn(NO3)2
AlCl3 + (NH4)2SO4 = Al2(SO4)3 + NH4Cl =>
2 AlCl3 + 3(NH4)2SO4 = Al2(SO4)3 + 6 NH4Cl
H2C4H2O4 + NaOH = H2O + HC4H2O4 + Na =>
H2C4H2O4 + NaOH = H2O + HC4H2O4 + Na
H2C4H2O4 + NaOH = H3O + NaC4H2O4 =>
H2C4H2O4 + NaOH = H3O + NaC4H2O4
HCl = H2 + Cl2 =>
2 HCl = H2 + Cl2
H2C4H2O4 + NaOH = H2O + Na2C4H2O4 =>
H2C4H2O4 + 2 NaOH = 2 H2O + Na2C4H2O4
H2O2 + H{+} + Fe = Fe{+2} + H2O =>
H2O2 + 2 H{+} + Fe = Fe{+2} + 2 H2O
H2C4H2O4 + NaOH = H2O + HC4H2O4 + Na =>
H2C4H2O4 + NaOH = H2O + HC4H2O4 + Na
K[Al(OH)4]CO2 = Al(OH)3KHCO3 =>
K[Al(OH)4]CO2 = Al(OH)3KHCO3
HClHg = Hg2Cl2H2 =>
2 HClHg = Hg2Cl2H2
BeH2 + BeO2 = Be + H2O =>
2 BeH2 + BeO2 = 3 Be + 2 H2O
CuSO4 + HNO3 = Cu(NO3)2 + H2SO4 =>
CuSO4 + 2 HNO3 = Cu(NO3)2 + H2SO4
H2SO4 + NH4OH = H2O + (NH4)2SO4 =>
H2SO4 + 2 NH4OH = 2 H2O + (NH4)2SO4
Al2(SO4)3 + K2SO4 = KAl(SO4)2 =>
Al2(SO4)3 + K2SO4 = 2 KAl(SO4)2
H2C4H2O4 + NaOH = H2O + HC4H2O4 + Na =>
H2C4H2O4 + NaOH = H2O + HC4H2O4 + Na
KBr{-} + NaOH + H{+} = NaH + KOH + Br2 =>
2 KBr{-} + 2 NaOH + 2 H{+} = 2 NaH + 2 KOH + Br2
H2C4H2O4 + NaOH = H2O + Na2C4H2O4 =>
H2C4H2O4 + 2 NaOH = 2 H2O + Na2C4H2O4
BBr3 + K2O = B2O3 + KBr =>
2 BBr3 + 3 K2O = B2O3 + 6 KBr
H2C4H2O4 + NaOH = H2O + C4H2O4 + Na =>
H2C4H2O4 + 2 NaOH = 2 H2O + C4H2O4 + 2 Na
KCl + Fe2O3 = FeCl3 + K2O =>
6 KCl + Fe2O3 = 2 FeCl3 + 3 K2O
H2C4H2O4 + NaOH = H3O + NaC4H2O4 =>
H2C4H2O4 + NaOH = H3O + NaC4H2O4
K2Cr2O7 + K2SO4 + H2SO4 = Cr2(SO4)3 + K2S2O8 + H2O =>
K2Cr2O7 + 2 K2SO4 + 7 H2SO4 = Cr2(SO4)3 + 3 K2S2O8 + 7 H2O
Ba2 + Fl = BaFl2 =>
Ba2 + 4 Fl = 2 BaFl2
Fe + H2O2 + H{+} = Fe{3+} + H2O =>
2 Fe + 3 H2O2 + 6 H{+} = 2 Fe{3+} + 6 H2O
H2C4H2O4 + NaOH = H3O + NaC4H2O4 =>
H2C4H2O4 + NaOH = H3O + NaC4H2O4
Al(s) + FeCl3(aq) = AlCl3(aq) + Fe(s) =>
Al(s) + FeCl3(aq) = AlCl3(aq) + Fe(s)
Cl2 + KBr = KCl + Br2 =>
Cl2 + 2 KBr = 2 KCl + Br2
K3[Cr(OH)6] + SO2 = KHSO3 + Cr(OH)3 =>
K3[Cr(OH)6] + 3 SO2 = 3 KHSO3 + Cr(OH)3
Zn + HNO3 = Zn(NO3)2 + NH4NO3 + H2O =>
4 Zn + 10 HNO3 = 4 Zn(NO3)2 + NH4NO3 + 3 H2O
MnO2(s) + HCl(s) = MnCl2(s) + Cl2(s) + H2O(s) =>
MnO2(s) + 4 HCl(s) = MnCl2(s) + Cl2(s) + 2 H2O(s)
[Cr(H2O)5Cl]Cl2 + AgNO3 = [Cr(H2O)5Cl]NO3 + AgCl2 =>
[Cr(H2O)5Cl]Cl2 + AgNO3 = [Cr(H2O)5Cl]NO3 + AgCl2
Ni(NH3)4 = Ni + NH3 =>
Ni(NH3)4 = Ni + 4 NH3
NaHCO3 + CH3COOH = H2O + CO2 + NaCOOH =>
4 NaHCO3 + CH3COOH = 2 H2O + 2 CO2 + 4 NaCOOH
(C6H5)3AsO + C6H5MgBr = (C6H5)4AsOMgBr =>
(C6H5)3AsO + C6H5MgBr = (C6H5)4AsOMgBr
CO2 + H2O + N2O = HNO3 + CH4 =>
CO2 + 3 H2O + N2O = 2 HNO3 + CH4
HI + Pb = PbI + H2 =>
2 HI + 2 Pb = 2 PbI + H2
K + O3 = K1O =>
3 K + O3 = 3 K1O
FeSO4 + K2Cr2O7 = K2SO4 + Fe(Cr2O7) =>
FeSO4 + K2Cr2O7 = K2SO4 + Fe(Cr2O7)
(C6H5)2CO + O2 = CO2 + H2O =>
(C6H5)2CO + 15 O2 = 13 CO2 + 5 H2O
C2H4 + Br = C2H6Br + C2H =>
5 C2H4 + 3 Br = 3 C2H6Br + 2 C2H
Ba(HSO4)2 + NaHCO3 = BaSO4 + Na2SO4 + CO2 + H2O =>
Ba(HSO4)2 + 2 NaHCO3 = BaSO4 + Na2SO4 + 2 CO2 + 2 H2O
SO3{2-} + NO2 + H2O = HNO2 + HSO4{-} + NO2{-} =>
SO3{2-} + 2 NO2 + H2O = HNO2 + HSO4{-} + NO2{-}
P + PCl5 = PCl3 =>
2 P + 3 PCl5 = 5 PCl3
Mg + Ca(NO3)2 = Mg(NO3) + Ca =>
2 Mg + Ca(NO3)2 = 2 Mg(NO3) + Ca
Pb + Po4 = PbPo4 =>
Pb + Po4 = PbPo4
Cr2O3 + KOH = Cr(OH)3 + K2O =>
Cr2O3 + 6 KOH = 2 Cr(OH)3 + 3 K2O
CUO + C = CO + CU =>
CUO + C = CO + CU
C6H5CHO + NaHSO3 = C6H5COH2SO3Na =>
C6H5CHO + NaHSO3 = C6H5COH2SO3Na
Ba + N2 = Ba3N6 =>
3 Ba + 3 N2 = Ba3N6
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