Équations équilibrées la veille |
5 MgBr2 + 8 H2SO4 + 2 KMnO4 = 5 MgSO4 + 2 MnSO4 + 5 Br2 + 8 H2O + K2SO4
HCl + CaCl = Cl2 + CaH =>
HCl + CaCl = Cl2 + CaH
C3H6(SH)2 + O2 = CO2 + H2O + SO2 =>
C3H6(SH)2 + 7 O2 = 3 CO2 + 4 H2O + 2 SO2
ZnCO3 + O2 = ZnO2 + CO2 =>
2 ZnCO3 + O2 = 2 ZnO2 + 2 CO2
Cu(NO3)2 + Na2(SO4) = Na2(NO3)2 + Cu(SO4) =>
Cu(NO3)2 + Na2(SO4) = Na2(NO3)2 + Cu(SO4)
Cr{+3} + H2O + Cl2 = Cr2O7{-2} + H{+} + Cl{-} =>
2 Cr{+3} + 7 H2O + 3 Cl2 = Cr2O7{-2} + 14 H{+} + 6 Cl{-}
Pb(NO3)2 + H2O = Pb(OH)2 + HNO3 =>
Pb(NO3)2 + 2 H2O = Pb(OH)2 + 2 HNO3
Na2CO3 + C + CaCN2 = NaCN + CaO + CO =>
Na2CO3 + 2 C + CaCN2 = 2 NaCN + CaO + 2 CO
HCl + KIO3 = Cl2 + H2O + K[ICl4]H2O =>
6 HCl + KIO3 = Cl2 + 2 H2O + K[ICl4]H2O
CH2CH2 + H2O = CH3CH2OH =>
CH2CH2 + H2O = CH3CH2OH
CuCl + NH4OH = CuNH4OH + Cl =>
CuCl + NH4OH = CuNH4OH + Cl
Fe(NO3)3 + NH3 = Fe(OH)3 + N4O6 =>
Fe(NO3)3 + NH3 = Fe(OH)3 + N4O6
Zn + HNO3(razr) = Zn(NO3)2 + NH4NO3 + H2O =>
4 Zn + 10 HNO3(razr) = 4 Zn(NO3)2 + NH4NO3 + 3 H2O
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
Ne6 + Ar3 = NeAr =>
Ne6 + 2 Ar3 = 6 NeAr
PbN2O6 + NaCl = NaNO3 + PbCl2 =>
PbN2O6 + 2 NaCl = 2 NaNO3 + PbCl2
H2 + V2O5 = V2O3 + Water =>
2 H2 + V2O5 = V2O3 + 2 H2O
C3H8O2 + CuO = Cu + H2O + C3H6O2 =>
C3H8O2 + CuO = Cu + H2O + C3H6O2
HOCH2CHCHCH2OH + KMnO4 + H2SO4 = HOOCCHCHCOH + MnSO4 + H2O + K2SO4 =>
5 HOCH2CHCHCH2OH + 6 KMnO4 + 9 H2SO4 = 5 HOOCCHCHCOH + 6 MnSO4 + 19 H2O + 3 K2SO4
CaO + RuCl3 + O = CaRu2O4Cl + Cl2 =>
2 CaO + 4 RuCl3 + 6 O = 2 CaRu2O4Cl + 5 Cl2
CuSO4KSCN = CuCNKSSO4 =>
CuSO4KSCN = CuCNKSSO4
Zn + Fe3SO4 = Fe + ZnSO4 =>
Zn + Fe3SO4 = 3 Fe + ZnSO4
C2H5O + [O] = CH3COOH + H2O =>
2 C2H5O + 3[O] = 2 CH3COOH + H2O
HC1 + NaOH = H(OH) + NaC1 =>
HC1 + NaOH = H(OH) + NaC1
SrCO3 + KOH = Sr(OH)2 + K2CO3 =>
SrCO3 + 2 KOH = Sr(OH)2 + K2CO3
Cl2(g) + KI(aq) = KCl(aq) + I2(g) =>
Cl2(g) + 2 KI(aq) = 2 KCl(aq) + I2(g)
Cu + H{+} = Cu{2+} + H =>
Cu + 2 H{+} = Cu{2+} + 2 H
Ni(NO3)2 + CuCl2 = NiCl2 + Cu(NO3)2 =>
Ni(NO3)2 + CuCl2 = NiCl2 + Cu(NO3)2
CuSO4 + BaCl2 = CuCl2 + BaSO4 =>
CuSO4 + BaCl2 = CuCl2 + BaSO4
K + S = K{+} + S{-}2 =>
K + S = K{+} + S{-}2
O2 + C25H54 = CO2 + H2O =>
77 O2 + 2 C25H54 = 50 CO2 + 54 H2O
MnO4{-} + H{+} + As2O3 = Mn{2+} + As2O5{-} + H2O =>
3 MnO4{-} + 4 H{+} + 5 As2O3 = 3 Mn{2+} + 5 As2O5{-} + 2 H2O
HCl(l) + Fe(s) = FeCl(s) + H2(g) =>
2 HCl(l) + 2 Fe(s) = 2 FeCl(s) + H2(g)
KNO3 + C + S = K2S + N2 + CO2 =>
2 KNO3 + 3 C + S = K2S + N2 + 3 CO2
Ca + AlPO4 = CaPO4 + Al2 =>
2 Ca + 2 AlPO4 = 2 CaPO4 + Al2
H2CO3 + K = H2 + KCO3 =>
H2CO3 + K = H2 + KCO3
MgCO3 + H2 = Mg + CO2 + H2O =>
MgCO3 + H2 = Mg + CO2 + H2O
Ca(NO3)2 + CrBr3 = CaBr3 + Cr(NO3)2 =>
Ca(NO3)2 + CrBr3 = CaBr3 + Cr(NO3)2
C2H6O + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CO2 + H2O =>
C2H6O + 2 K2Cr2O7 + 8 H2SO4 = 2 Cr2(SO4)3 + 2 K2SO4 + 2 CO2 + 11 H2O
Al(OH)3 + SeO3 = Al2(SeO4)3 + H2O =>
2 Al(OH)3 + 3 SeO3 = Al2(SeO4)3 + 3 H2O
Na2Cr2O7 + H2SO4 + C6H12O6 = Cr(OH)SO4 + Na2SO4 + H2O + CO2 =>
4 Na2Cr2O7 + 12 H2SO4 + C6H12O6 = 8 Cr(OH)SO4 + 4 Na2SO4 + 14 H2O + 6 CO2
MgO + NaPO3 = Mg2P2O7 + Na4P2O7 =>
2 MgO + 4 NaPO3 = Mg2P2O7 + Na4P2O7
Ba3(PO4)2 + Zn = Ba + Zn3(PO4)2 =>
Ba3(PO4)2 + 3 Zn = 3 Ba + Zn3(PO4)2
NO2({-}) + H2O = HNO2 + OH({-}) =>
NO2({-}) + H2O = HNO2 + OH({-})
Na2S2O3 + HCl = NaCl + SO2 + S + H2O =>
Na2S2O3 + 2 HCl = 2 NaCl + SO2 + S + H2O
H2O + SiO3 = Si + OH =>
3 H2O + SiO3 = Si + 6 OH
C3H8O3 + C18H36O2 = C21H42O4 + H2O =>
C3H8O3 + C18H36O2 = C21H42O4 + H2O
NaOH(aq) + Fe(No3)3(aq) = NaNo3(aq) + Fe(OH)3(s) =>
3 NaOH(aq) + Fe(No3)3(aq) = 3 NaNo3(aq) + Fe(OH)3(s)
CH3(CH2)3OH + KBr + H2SO4 = CH3(CH2)3Br + KHSO4 + H2O =>
CH3(CH2)3OH + KBr + H2SO4 = CH3(CH2)3Br + KHSO4 + H2O
CaSO4 + Ba(NO3)2 = Ca(NO3)2 + BaSO4 =>
CaSO4 + Ba(NO3)2 = Ca(NO3)2 + BaSO4
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