Équations équilibrées la veille |
10 X9 = 9 X10
NH4 + Cr2O7 = CrO + N + H2O =>
5 NH4 + 2 Cr2O7 = 4 CrO + 5 N + 10 H2O
S2O3{-}2 + I2 = I{-} + S4O6 =>
2 S2O3{-}2 + I2 = 2 I{-} + S4O6
CUS + O2 = CUO + SO =>
CUS + O2 = CUO + SO
CuCl2 + O2 = CuCl2O2 =>
CuCl2 + O2 = CuCl2O2
N2 + NO2 = N2O3 =>
N2 + 6 NO2 = 4 N2O3
Ni(NO3)2 + Na2SO4 = NiSO4 + NaNO3 =>
Ni(NO3)2 + Na2SO4 = NiSO4 + 2 NaNO3
Co + C = Co2C =>
2 Co + C = Co2C
Zn + AgNO3 = Zn(NO3)2 + Ag =>
Zn + 2 AgNO3 = Zn(NO3)2 + 2 Ag
HSHCl = H2SCl =>
HSHCl = H2SCl
HC2H3O2(aq) + KOH(aq) = KC2H3O2(s) + H2O(l) =>
HC2H3O2(aq) + KOH(aq) = KC2H3O2(s) + H2O(l)
CoCl2*6H2O + HCl + C2H8N2 + H2O2 = [Co(C2H8N2)2]Cl3 + H2O =>
2 CoCl2*6H2O + 2 HCl + 4 C2H8N2 + H2O2 = 2[Co(C2H8N2)2]Cl3 + 14 H2O
Ni + H2O = Ni(OH) + H2 =>
2 Ni + 2 H2O = 2 Ni(OH) + H2
Zn(SO4) + KOH = Zn(OH) + K(SO4) =>
Zn(SO4) + KOH = Zn(OH) + K(SO4)
Sb1 + O2 = Sb4O6 =>
4 Sb1 + 3 O2 = Sb4O6
Cr(OH)3 + Br2 + KOH = K2CrO4 + KBr + H2O =>
2 Cr(OH)3 + 3 Br2 + 10 KOH = 2 K2CrO4 + 6 KBr + 8 H2O
F2O7 + H2O = HFO4 =>
F2O7 + H2O = 2 HFO4
Fe(s) + Cl(g) = Fe3Cl(s) =>
3 Fe(s) + Cl(g) = Fe3Cl(s)
Pb + Cu(OH)2 = Pb(OH)2 + Cu =>
Pb + Cu(OH)2 = Pb(OH)2 + Cu
CS2 + O2 = CO2 + SO2 =>
CS2 + 3 O2 = CO2 + 2 SO2
Cr3{+} + OH{-} + H2O2 = CrO42{-} + H2O =>
Cr3{+} + 4 OH{-} + 124 H2O2 = 3 CrO42{-} + 126 H2O
HgCl2 = Hg + Cl =>
HgCl2 = Hg + 2 Cl
C2H5F + O2 = CO2 + H2O + F2 =>
4 C2H5F + 13 O2 = 8 CO2 + 10 H2O + 2 F2
C4H10O2S + O2 = CO2 + H2O + SO2 =>
2 C4H10O2S + 13 O2 = 8 CO2 + 10 H2O + 2 SO2
Mg(OH)2HBr = MgBrH(OH)2 =>
Mg(OH)2HBr = MgBrH(OH)2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
CrOH3 + KOH + Br2 = K2CrO4 + KBr + H2O =>
2 CrOH3 + 18 KOH + 7 Br2 = 2 K2CrO4 + 14 KBr + 12 H2O
SrF2 + Pb = PbF2 + Sr =>
SrF2 + Pb = PbF2 + Sr
Na2CO3 = CO2 + Na2O =>
Na2CO3 = CO2 + Na2O
CO3{2-} + H2O = H2CO3 + OH{-} =>
CO3{2-} + 2 H2O = H2CO3 + 2 OH{-}
HNO3 + K2SiO3 = KNO3 + H2SiO3 =>
2 HNO3 + K2SiO3 = 2 KNO3 + H2SiO3
C5H10O2 + CH3OH = C6H12O2 + H2O =>
C5H10O2 + CH3OH = C6H12O2 + H2O
KCl = K + Cl2 =>
2 KCl = 2 K + Cl2
C2H3ClO2 + NH3 = C2H5N1O2 + HCl =>
C2H3ClO2 + NH3 = C2H5N1O2 + HCl
AgNO3 + (NH4)2CrO4 = Ag2CrO4 + NH4NO3 =>
2 AgNO3 + (NH4)2CrO4 = Ag2CrO4 + 2 NH4NO3
Fe(s)O2(s) = Fe(O)2 =>
Fe(s)O2(s) = Fe(O)2
Yb(SO4)4 + Es = Es(SO4)3 + Yb =>
3 Yb(SO4)4 + 4 Es = 4 Es(SO4)3 + 3 Yb
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
S2Cl2 + H2O = SO2 + HCl + S8 =>
16 S2Cl2 + 16 H2O = 8 SO2 + 32 HCl + 3 S8
Cr2O7{-2} + C2H5OH + H{+} = Cr{+3} + CH2CHO + H2O =>
Cr2O7{-2} + 2 C2H5OH + 8 H{+} = 2 Cr{+3} + 2 CH2CHO + 7 H2O
FeO + Ae = Ae2O3 + Fe =>
3 FeO + 2 Ae = Ae2O3 + 3 Fe
H2O(l) = O2(g) + H(aq) =>
2 H2O(l) = O2(g) + 4 H(aq)
CaCO3(s) + CO2(g) + H2O = Ca(HCO3)2(aq) =>
CaCO3(s) + CO2(g) + H2O = Ca(HCO3)2(aq)
MnO2 + K2CO3 + PbO2 = K2MnO4 + K2PbO2 + CO2 =>
MnO2 + 2 K2CO3 + PbO2 = K2MnO4 + K2PbO2 + 2 CO2
SI + Cl2 = SICl4 =>
SI + 2 Cl2 = SICl4
Cu2O + H2O + Co2 = CuCo3Cu(OH)2 =>
2 Cu2O + 2 H2O + 3 Co2 = 2 CuCo3Cu(OH)2
CH3O + O = CO + H2O =>
2 CH3O + 3 O = 2 CO + 3 H2O
LiH + HCl = LiCl + H2 =>
LiH + HCl = LiCl + H2
H2SO4 + NaHCO3 = CO2 + Na2SO4 + H2O =>
H2SO4 + 2 NaHCO3 = 2 CO2 + Na2SO4 + 2 H2O
Na2MnO4 + HCl = NaCl + MnCl2 + Cl2 + H2O =>
Na2MnO4 + 8 HCl = 2 NaCl + MnCl2 + 2 Cl2 + 4 H2O
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