Équations équilibrées la veille |
2 Cr(OH)3 + IO3{-} + 4 OH{-} = 2 CrO4{2-} + I{-)+5H2O
Cr(NO2)3 + ZnBr2 = CrBr3 + Zn(NO2)2 =>
2 Cr(NO2)3 + 3 ZnBr2 = 2 CrBr3 + 3 Zn(NO2)2
Nb + MoO3 = Mo + Nb2O5 =>
6 Nb + 5 MoO3 = 5 Mo + 3 Nb2O5
Ca3(PO4)2 + KOH = Ca(OH)2 + K3(PO4) =>
Ca3(PO4)2 + 6 KOH = 3 Ca(OH)2 + 2 K3(PO4)
NaHCO3 + H3C6H5O7 = Na3C6H5O7 + CO2 + H2 =>
15 NaHCO3 + 8 H3C6H5O7 = 5 Na3C6H5O7 + 33 CO2 + 27 H2
Zn + Ca(OH)2 = Zn(OH)3 + Ca =>
2 Zn + 3 Ca(OH)2 = 2 Zn(OH)3 + 3 Ca
Cu + H2O = CuO + H2 =>
Cu + H2O = CuO + H2
N2 + O2 = NO =>
N2 + O2 = 2 NO
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
SO2 + Li2Se = SSe2 + Li2O =>
SO2 + 2 Li2Se = SSe2 + 2 Li2O
P2 + O3 = P3O2 =>
9 P2 + 4 O3 = 6 P3O2
Na + H2O = NaOH + H =>
Na + H2O = NaOH + H
HNO2 + K2CO3 = KNO2 + H2O + CO2 =>
2 HNO2 + K2CO3 = 2 KNO2 + H2O + CO2
KCl*NaCl = KCl + NaCl =>
KCl*NaCl = KCl + NaCl
Al + Ag2S = Al2S3 + Ag =>
2 Al + 3 Ag2S = Al2S3 + 6 Ag
Ni(NO3)2 + H2O = NiOHNO3 + HNO3 =>
Ni(NO3)2 + H2O = NiOHNO3 + HNO3
Fe(CO)5 + HNO3 = Fe(NO3)3 + NO + H2O + CO =>
Fe(CO)5 + 4 HNO3 = Fe(NO3)3 + NO + 2 H2O + 5 CO
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
SO3OH = HSO4 =>
SO3OH = HSO4
Cl2 + K(OH) = KCl + H2O + KClO =>
Cl2 + 2 K(OH) = KCl + H2O + KClO
HCOHCuO = HCOOHCu =>
HCOHCuO = HCOOHCu
HClO4 + Ca(OH)2 = Ca(ClO4)2 + H2O =>
2 HClO4 + Ca(OH)2 = Ca(ClO4)2 + 2 H2O
CH3COOH + CrCl3 = Cr(CH3COO)3 + HCl =>
3 CH3COOH + CrCl3 = Cr(CH3COO)3 + 3 HCl
Ba(OH)2(ac) + H2SO4(ac) = BaSO4 + H2O(l) =>
Ba(OH)2(ac) + H2SO4(ac) = BaSO4 + 2 H2O(l)
KMnO4 + NaCl + H2O + CH4 = CCl4 + MnCl2 + KCl + NaOH =>
8 KMnO4 + 44 NaCl + 12 H2O + 5 CH4 = 5 CCl4 + 8 MnCl2 + 8 KCl + 44 NaOH
CH3NH3Br + NaOH = CH3NH3OH + NaBr =>
CH3NH3Br + NaOH = CH3NH3OH + NaBr
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
H3PO4 + NH4OH = (NH4)2HPO4 + H2O =>
H3PO4 + 2 NH4OH = (NH4)2HPO4 + 2 H2O
C + SO2 = CS2 + CO =>
5 C + 2 SO2 = CS2 + 4 CO
SO4 + BrCl = Cl + BrSO4 =>
SO4 + BrCl = Cl + BrSO4
ZnCl2 + Na2SO4 = Zn(SO4) + NaCl =>
ZnCl2 + Na2SO4 = Zn(SO4) + 2 NaCl
C15H30 + O2 = CO2 + H2O =>
2 C15H30 + 45 O2 = 30 CO2 + 30 H2O
Al3O3 + NaOH + H2O = Na[Al(OH)6] + H2 =>
2 Al3O3 + 6 NaOH + 24 H2O = 6 Na[Al(OH)6] + 9 H2
H2O2 + KI = H2O + IO + K =>
H2O2 + KI = H2O + IO + K
CuFeS2 + O2 + H2O = CuS + Fe2O3 + H2SO4 =>
4 CuFeS2 + 9 O2 + 4 H2O = 4 CuS + 2 Fe2O3 + 4 H2SO4
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
MnO2 + KClO3 + NaOH = Na2MnO4 + KCl + H2O =>
3 MnO2 + KClO3 + 6 NaOH = 3 Na2MnO4 + KCl + 3 H2O
CH4 + H2S = CH4H2S =>
CH4 + H2S = CH4H2S
KHCO3 + HCl = KCl + H2O + CO2 =>
KHCO3 + HCl = KCl + H2O + CO2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Ag + Ca(NO3)2 = Ag(NO3) + Ca =>
2 Ag + Ca(NO3)2 = 2 Ag(NO3) + Ca
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
CaSO4(s) = CaO(s) + SO3(g) =>
CaSO4(s) = CaO(s) + SO3(g)
Fe(NO3)2 + HCl = FeCl2 + HNO3 =>
Fe(NO3)2 + 2 HCl = FeCl2 + 2 HNO3
Al + Fe(SO4)3 = Fe + Al2(SO4) =>
6 Al + Fe(SO4)3 = Fe + 3 Al2(SO4)
H2S + SO2 = H2O + S2O2 =>
2 H2S + 4 SO2 = 2 H2O + 3 S2O2
C6H8O7 + KOH = K3C6H5O7 + H2O =>
C6H8O7 + 3 KOH = K3C6H5O7 + 3 H2O
CaCO3 + K3PO4 = CaPO4 + CO3K3 =>
CaCO3 + K3PO4 = CaPO4 + CO3K3
NiCl2 + F2 = Cl2 + NiF2 =>
NiCl2 + F2 = Cl2 + NiF2
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