Équations équilibrées la veille |
Cr2O3 + 3 NaNO3 + 2 Na2CO3 = 2 CO2 + 3 NaNO2 + 2 Na2CrO4
Na2CrO4 + NaNO2 + H2O = Cr(OH)3 + NaNO3 + NaOH =>
2 Na2CrO4 + 3 NaNO2 + 5 H2O = 2 Cr(OH)3 + 3 NaNO3 + 4 NaOH
Na2CO3 + K2CO3 + Nb2O5 = Na3KNb4O12 + CO2 =>
3 Na2CO3 + K2CO3 + 4 Nb2O5 = 2 Na3KNb4O12 + 4 CO2
Zn(OH)2 + HCI = ZnOHCI + H2O =>
Zn(OH)2 + HCI = ZnOHCI + H2O
K3NbF6O = Nb2O5 + KF + K2NbF7 =>
5 K3NbF6O = Nb2O5 + 9 KF + 3 K2NbF7
CH3Cl + CH3Na = CH3CH3 + NaCl =>
CH3Cl + CH3Na = CH3CH3 + NaCl
KMnO4 + NaOH + KNO2 = K2MnO4 + Na2MnO4 + KNO3 + H2O =>
2 KMnO4 + 2 NaOH + KNO2 = K2MnO4 + Na2MnO4 + KNO3 + H2O
K2C2O4*H2O + (Cu(NH3)4)SO4*H2O + H2SO4 = K2Cu(C2O4)2*2H2O + K2SO4 + H2O + (NH4)2SO4 =>
2 K2C2O4*H2O + (Cu(NH3)4)SO4*H2O + 2 H2SO4 = K2Cu(C2O4)2*2H2O + K2SO4 + H2O + 2(NH4)2SO4
CaCl2 + Na2CO3 = CaCO3 + NaCl =>
CaCl2 + Na2CO3 = CaCO3 + 2 NaCl
HClO2 + P + H2O = H3PO4 + HCl =>
5 HClO2 + 4 P + 6 H2O = 4 H3PO4 + 5 HCl
V + ClO3{-} + OH{-} = HV2O7{3-} + Cl{-} + H2O =>
6 V + 5 ClO3{-} + 9 OH{-} = 3 HV2O7{3-} + 5 Cl{-} + 3 H2O
CH3OH + HF = CH3F + H2O =>
CH3OH + HF = CH3F + H2O
Cu3Cl + Zn = Cu + ZnCl2 =>
2 Cu3Cl + Zn = 6 Cu + ZnCl2
PbCl2 + NaOH = Pb(OH)2 + NaCl =>
PbCl2 + 2 NaOH = Pb(OH)2 + 2 NaCl
KBr + N2O4 + KOH = KNO2 + KBrO3 + H2O =>
KBr + 3 N2O4 + 6 KOH = 6 KNO2 + KBrO3 + 3 H2O
Ag + H2S + O2 = Ag2S + H2O =>
4 Ag + 2 H2S + O2 = 2 Ag2S + 2 H2O
HCOOH + [Ag(NH3)2OH] = (NH4)2CO3 + NH3 + Ag + H2O =>
HCOOH + 2[Ag(NH3)2OH] = (NH4)2CO3 + 2 NH3 + 2 Ag + H2O
BaBr2 + AgNO3 = Ba(NO3)2 + AgBr =>
BaBr2 + 2 AgNO3 = Ba(NO3)2 + 2 AgBr
N2SO4 + K2O = K2SO4 + N2O =>
N2SO4 + K2O = K2SO4 + N2O
BaSO3 + NaCl = BaCl2 + Na2SO3 =>
BaSO3 + 2 NaCl = BaCl2 + Na2SO3
Na2CO3 + Ca(NO3)2 = Na(NO3) + Ca(CO3) =>
Na2CO3 + Ca(NO3)2 = 2 Na(NO3) + Ca(CO3)
Cr + H2SO4 = Cr2(SO4)3 + H2 =>
2 Cr + 3 H2SO4 = Cr2(SO4)3 + 3 H2
SO2 + KMnO4 = O2 + K2SO4 + Mn =>
SO2 + 2 KMnO4 = 3 O2 + K2SO4 + 2 Mn
CH4 + NH3 + O2 = CHN + H2O =>
2 CH4 + 2 NH3 + 3 O2 = 2 CHN + 6 H2O
MnSO4 + KCIO3 + KOH = K2MnO4 + KCI + K2SO4 + H2O =>
3 MnSO4 + 2 KCIO3 + 12 KOH = 3 K2MnO4 + 2 KCI + 3 K2SO4 + 6 H2O
CrCl3 + NaHCO3 = Cr2(CO3)3 + CO2 + NaCl + H2O =>
2 CrCl3 + 6 NaHCO3 = Cr2(CO3)3 + 3 CO2 + 6 NaCl + 3 H2O
Na2SO3 + KCr2O7 + H2SO4 = Na2SO4 + Cr2(SO4)3 + K2SO4 + H2O =>
7 Na2SO3 + 2 KCr2O7 + 7 H2SO4 = 7 Na2SO4 + 2 Cr2(SO4)3 + K2SO4 + 7 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CaOH + H2SO4 = H2OH + CaSO4 =>
CaOH + H2SO4 = H2OH + CaSO4
C6H8O6 + NaOH = C3H8O3 + NaCO2 =>
11 C6H8O6 + 24 NaOH = 14 C3H8O3 + 24 NaCO2
C3H5O2Na + H2O = C2H6 + O2 + NaOH =>
4 C3H5O2Na + 10 H2O = 6 C2H6 + 7 O2 + 4 NaOH
Na2S2O3 + I2 + NaOH = NaI + Na2SO4 + H2O =>
Na2S2O3 + 4 I2 + 10 NaOH = 8 NaI + 2 Na2SO4 + 5 H2O
NaBr + LiOH = LiBr + NaOH =>
NaBr + LiOH = LiBr + NaOH
Zn(OH)2 + (NH4)3PO4 = Zn3(PO4)2 + NH3 + H2O =>
3 Zn(OH)2 + 2(NH4)3PO4 = Zn3(PO4)2 + 6 NH3 + 6 H2O
KMnO4 + Na2C2O4 + H2SO4 = K2SO4 + CO2 + MnSO4 + Na2SO4 + H2O =>
2 KMnO4 + 5 Na2C2O4 + 8 H2SO4 = K2SO4 + 10 CO2 + 2 MnSO4 + 5 Na2SO4 + 8 H2O
K2O(s) + SO2(g) = K2S(s) + O2(g) =>
2 K2O(s) + 2 SO2(g) = 2 K2S(s) + 3 O2(g)
PO4 + H3O = H2O + HPO4 =>
PO4 + H3O = H2O + HPO4
H2O + HBr = H3O + Br =>
H2O + HBr = H3O + Br
HCO2Na + H2SO4 = HCO2H + Na2SO4 =>
2 HCO2Na + H2SO4 = 2 HCO2H + Na2SO4
NaOH + AlBr3 = Na[Al(OH)4] + NaBr =>
4 NaOH + AlBr3 = Na[Al(OH)4] + 3 NaBr
ZnO + C = Zn + CO2 =>
2 ZnO + C = 2 Zn + CO2
I3{-} + S2O3{2-} + H2O = I{-} + SO4{2-} + H{+} =>
4 I3{-} + S2O3{2-} + 5 H2O = 12 I{-} + 2 SO4{2-} + 10 H{+}
H2S + Cu(OH)2 = CuS + H2O =>
H2S + Cu(OH)2 = CuS + 2 H2O
NaOH + H3PO4 = Na2HPO4 + H2O =>
2 NaOH + H3PO4 = Na2HPO4 + 2 H2O
Co(NO3)2 + Zn = Zn(NO3)2 + Co =>
Co(NO3)2 + Zn = Zn(NO3)2 + Co
AgI + AgNO3 = Ag + INO3 =>
AgI + AgNO3 = 2 Ag + INO3
CH4 + CuSO4 = CH3SO4 + CuH =>
CH4 + CuSO4 = CH3SO4 + CuH
KNO2 + H2SO4 + KI = NO + I2 + K2SO4 + H2O =>
2 KNO2 + 2 H2SO4 + 2 KI = 2 NO + I2 + 2 K2SO4 + 2 H2O
KMnO4 + H2SO4 + NaHSO3 = MnSO4 + K2SO4 + Na2SO4 + H2O =>
4 KMnO4 + H2SO4 + 10 NaHSO3 = 4 MnSO4 + 2 K2SO4 + 5 Na2SO4 + 6 H2O
Na2O2 + Na = Na2O =>
Na2O2 + 2 Na = 2 Na2O
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