Équations équilibrées la veille |
2 KCl(aq) + CaS(aq) = K2S(aq) + CaCl2(aq)
Pb(NO302) = PbO + NO2 + O2 =>
2 Pb(NO302) = 2 PbO + 2 NO2 + 299 O2
PbO2 + Cr(NO3)3 + NaOH = Na2CrO4 + Pb(NO3)2 + H2O =>
3 PbO2 + 2 Cr(NO3)3 + 4 NaOH = 2 Na2CrO4 + 3 Pb(NO3)2 + 2 H2O
Rb3 + PO4 = Rb3PO4 =>
Rb3 + PO4 = Rb3PO4
H3PO4 + KOH = H2PO4{-} + K{+} + H2O =>
H3PO4 + KOH = H2PO4{-} + K{+} + H2O
C + ZnO = CO + Zn =>
C + ZnO = CO + Zn
SrCl2 + KMnO4 + H3PO4 = Cl2 + Mn3(PO4)2 + Sr3(PO4)2 + K3PO4 + H2O =>
15 SrCl2 + 6 KMnO4 + 16 H3PO4 = 15 Cl2 + 2 Mn3(PO4)2 + 5 Sr3(PO4)2 + 2 K3PO4 + 24 H2O
Na2C2O4 + KMnO4 + H2SO4 = H2O + Na2C2O7 + KMnO4S =>
Na2C2O4 + KMnO4 + H2SO4 = H2O + Na2C2O7 + KMnO4S
CuOCa(OH)2 = Cu(OH)2CaO =>
CuOCa(OH)2 = Cu(OH)2CaO
HCl + Cr = CrCl2 + H2 =>
2 HCl + Cr = CrCl2 + H2
CaBr2 + H2O = H2 + Br2 + Ca(OH)2 =>
CaBr2 + 2 H2O = H2 + Br2 + Ca(OH)2
*H2S + HNO3 = H2SO4 + NO + H2O =>
3*H2S + 8 HNO3 = 3 H2SO4 + 8 NO + 4 H2O
Fe(NO3)3 + NaHCO3 = Fe(HCO3)3 + NaNO3 =>
Fe(NO3)3 + 3 NaHCO3 = Fe(HCO3)3 + 3 NaNO3
Cr2O7{2-} + {-} + H{+} = Cr{2+} + H2O =>
Cr2O7{2-} + 8e + 14 H{+} = 2 Cr{2+} + 7 H2O
Cu(NO3)2 + KHS = CuS + H2S + KNO3 =>
Cu(NO3)2 + 2 KHS = CuS + H2S + 2 KNO3
MgS + O2 = MgO + SO =>
MgS + O2 = MgO + SO
KNO3CaCl2 = KCl2CaNO3 =>
KNO3CaCl2 = KCl2CaNO3
Ca + N2H3 = CaH2 + N2 =>
3 Ca + 2 N2H3 = 3 CaH2 + 2 N2
As2S3 + H2O2 = AsO4{-3} + SO4{-2} + H{+} + H2O =>
As2S3 + 14 H2O2 = 2 AsO4{-3} + 3 SO4{-2} + 12 H{+} + 8 H2O
C4H8O + Cr2O7{2-} + H{+} = C4H8O2 + Cr{3+} + H2O =>
3 C4H8O + Cr2O7{2-} + 8 H{+} = 3 C4H8O2 + 2 Cr{3+} + 4 H2O
NaCl(aq) + Li2CO3(aq) = Na2CO3(s) + LiCl(aq) =>
2 NaCl(aq) + Li2CO3(aq) = Na2CO3(s) + 2 LiCl(aq)
C + ZnO = CO + Zn =>
C + ZnO = CO + Zn
HClO4 + CaO = OH + CaClO4 =>
HClO4 + CaO = OH + CaClO4
FeCl2 + NaH2PO4 = FePO4 + NaH2Cl2 =>
FeCl2 + NaH2PO4 = FePO4 + NaH2Cl2
As2S3 + H2O2 = AsO4 + SO4 + H =>
As2S3 + 10 H2O2 = 2 AsO4 + 3 SO4 + 20 H
K2Cr2O7 + SH2 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O =>
4 K2Cr2O7 + 3 SH2 + 13 H2SO4 = 4 K2SO4 + 4 Cr2(SO4)3 + 16 H2O
KCl(aq) + CaS(aq) = KCa + ClS =>
KCl(aq) + CaS(aq) = KCa + ClS
NH4OH + CHO3 = NH4O3 + OHCH =>
NH4OH + CHO3 = NH4O3 + OHCH
C4H9OH + C3H7OOH = C3H6COOC4H9 + H2O =>
C4H9OH + 20 C3H7OOH = 8 C3H6COOC4H9 + 25 H2O
C6H5NO2 + O2 = CO2 + NO2 + H2O =>
4 C6H5NO2 + 29 O2 = 24 CO2 + 4 NO2 + 10 H2O
Fe{+2} + VO3{-} + H{+} = Fe{+3} + VO{+2} + H2O =>
Fe{+2} + VO3{-} + 4 H{+} = Fe{+3} + VO{+2} + 2 H2O
Pb(NO3)2 + Na(SO4) = Pb(SO4) + Na(NO3)2 =>
Pb(NO3)2 + Na(SO4) = Pb(SO4) + Na(NO3)2
KCl + NH4OH = KNH4 + ClOH =>
KCl + NH4OH = KNH4 + ClOH
MgI2 + H2O = MgO + IH =>
MgI2 + H2O = MgO + 2 IH
Ca + AgSO4 = Ag + CaSO4 =>
Ca + AgSO4 = Ag + CaSO4
K2CrO4 + NaCl + H2SO4 = CrCl3 + K2SO4 + Na2SO4 + Cl2 + H2O =>
2 K2CrO4 + 12 NaCl + 8 H2SO4 = 2 CrCl3 + 2 K2SO4 + 6 Na2SO4 + 3 Cl2 + 8 H2O
MgS + O2 = MgO + SO2 =>
2 MgS + 3 O2 = 2 MgO + 2 SO2
K2ZnO2 + HNO3 = KNO3 + Zn(NO3)2 + H2O =>
K2ZnO2 + 4 HNO3 = 2 KNO3 + Zn(NO3)2 + 2 H2O
CaBr2 + H2O = Ca(OH)2 + HBr =>
CaBr2 + 2 H2O = Ca(OH)2 + 2 HBr
Cu + AgNO3 + H2O = H2 + AgOH + Cu(NO3)2 =>
Cu + 2 AgNO3 + 2 H2O = H2 + 2 AgOH + Cu(NO3)2
(NH4)2SO4 + BaF2 = (NH4)F + Ba(SO4) =>
(NH4)2SO4 + BaF2 = 2(NH4)F + Ba(SO4)
NaBiO3 + H2X + H2SO4 = Na2SO4 + Bi2(SO4)3 + H2O + X =>
2 NaBiO3 + 2 H2X + 4 H2SO4 = Na2SO4 + Bi2(SO4)3 + 6 H2O + 2 X
CaCl2 + Ag2(SO4) = CaSO4 + Ag2Cl2 =>
CaCl2 + Ag2(SO4) = CaSO4 + Ag2Cl2
As2S3 + H2O2 = AsO4 + SO4 + H =>
As2S3 + 10 H2O2 = 2 AsO4 + 3 SO4 + 20 H
Cr3 + OH = Cr(OH)2 =>
Cr3 + 6 OH = 3 Cr(OH)2
La2O3 + MnO2 + SrCO3 = La8Sr8MnO3 + CO2 + O2 =>
8 La2O3 + 2 MnO2 + 16 SrCO3 = 2 La8Sr8MnO3 + 16 CO2 + 19 O2
Na2S + SO3 + H2O = Na2SO3 + H2S =>
4 Na2S + 3 SO3 + 3 H2O = 4 Na2SO3 + 3 H2S
CH3CH2CH2CH3 + Cl2 = CH3CHClCHClCH3 + HCl =>
CH3CH2CH2CH3 + 2 Cl2 = CH3CHClCHClCH3 + 2 HCl
As2S3 + H2O2 = AsO4 + SO4 + H2O =>
As2S3 + 20 H2O2 = 2 AsO4 + 3 SO4 + 20 H2O
CaCl2 + Ca(OH)2 = CaO + HCl =>
CaCl2 + Ca(OH)2 = 2 CaO + 2 HCl
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