Équations équilibrées la veille |
2 As + 5 H2O2 + 6 NaOH = 2 Na3AsO4 + 8 H2O
C2H3ClO + O2 = CO2 + H2O + HCl =>
C2H3ClO + 2 O2 = 2 CO2 + H2O + HCl
BaBr2 + Na2SO4 = BaSO4 + NaBr =>
BaBr2 + Na2SO4 = BaSO4 + 2 NaBr
Ca(NO3)2 + Fe2(SO4)3 = CaSO4 + Fe(NO3)3 =>
3 Ca(NO3)2 + Fe2(SO4)3 = 3 CaSO4 + 2 Fe(NO3)3
C6H12O7 + H2O2 = CO2 + H2O =>
C6H12O7 + 11 H2O2 = 6 CO2 + 17 H2O
CH4 + Cl2 = CHCl3 + HCl =>
CH4 + 3 Cl2 = CHCl3 + 3 HCl
CaF2 + H2O = Ca(OH)2 + HF =>
CaF2 + 2 H2O = Ca(OH)2 + 2 HF
LiBr + Pb(NO3)2 = LiNO3 + PbBr2 =>
2 LiBr + Pb(NO3)2 = 2 LiNO3 + PbBr2
HCOOH = H + HCOO =>
HCOOH = H + HCOO
Cr2O3FeO + HCl = Cr2O3 + FeCl + OH =>
Cr2O3FeO + HCl = Cr2O3 + FeCl + OH
Fe(NH4)2(SO4)2*6H2O + H2C2O4 + K2C2O4 + H2O2 = K3Fe(C2O4)33H2O + (NH4)2SO4 + H2SO4 + H2O =>
2 Fe(NH4)2(SO4)2*6H2O + 63 H2C2O4 + 3 K2C2O4 + 61 H2O2 = 2 K3Fe(C2O4)33H2O + 2(NH4)2SO4 + 2 H2SO4 + 132 H2O
Ca + LaF3 = La + CaF2 =>
3 Ca + 2 LaF3 = 2 La + 3 CaF2
Mg(IO3)2 + KI + HCl = MgCl2 + KCl + I2 + H2O =>
Mg(IO3)2 + 10 KI + 12 HCl = MgCl2 + 10 KCl + 6 I2 + 6 H2O
HClO3 + Ca(OH)2 = Ca(ClO3)2 + H2O =>
2 HClO3 + Ca(OH)2 = Ca(ClO3)2 + 2 H2O
Cl2 + KBr = KCl + Br =>
Cl2 + 2 KBr = 2 KCl + 2 Br
HCI + NaOH = NaCI + H2O =>
HCI + NaOH = NaCI + H2O
CH3CH2COCH3 + O2 = CO2 + H2O =>
2 CH3CH2COCH3 + 11 O2 = 8 CO2 + 8 H2O
K2Cr2O7 + H2SO4 + H2O2 = CrO(O2)2 + K2SO4 + H2O =>
K2Cr2O7 + H2SO4 + 4 H2O2 = 2 CrO(O2)2 + K2SO4 + 5 H2O
Pb(NO3)2(aq) + K3PO4(aq) = Pb3(PO4)2(s) + KNO3(aq) =>
3 Pb(NO3)2(aq) + 2 K3PO4(aq) = Pb3(PO4)2(s) + 6 KNO3(aq)
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
KBr + K2Cr2O7 + H2SO4 = CrBr3 + K2SO4 + Br2 + H2O =>
12 KBr + K2Cr2O7 + 7 H2SO4 = 2 CrBr3 + 7 K2SO4 + 3 Br2 + 7 H2O
As + H2O2 + NaOH = Na3AsO4 + H2O =>
2 As + 5 H2O2 + 6 NaOH = 2 Na3AsO4 + 8 H2O
CuCl2 + HNO3 = Cu(NO3)2 + HCl =>
CuCl2 + 2 HNO3 = Cu(NO3)2 + 2 HCl
H3PO4 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
K2Cr2O7 + C3H8O3 + H2SO4 = Cr2(SO4)3 + K2SO4 + CO2 + H2O =>
7 K2Cr2O7 + 3 C3H8O3 + 28 H2SO4 = 7 Cr2(SO4)3 + 7 K2SO4 + 9 CO2 + 40 H2O
C2H4(g) + Cl2(g) = C2H4Cl2(g) =>
C2H4(g) + Cl2(g) = C2H4Cl2(g)
(HCl) + Fe2O3 = FeCl3 + H2O =>
6(HCl) + Fe2O3 = 2 FeCl3 + 3 H2O
C3H6O3NaHCO3 = NaC3H5O3H2CO3 =>
C3H6O3NaHCO3 = NaC3H5O3H2CO3
HNO3 + Mg(OH)2 = H2O + Mg(NO3)2 =>
2 HNO3 + Mg(OH)2 = 2 H2O + Mg(NO3)2
Na + NaNO3 = Na2O + N2 =>
10 Na + 2 NaNO3 = 6 Na2O + N2
Cu + CsOH = CuOH + Cs =>
Cu + CsOH = CuOH + Cs
Al + H2SO4 = Al2(SO4)3 + S + H2O =>
2 Al + 4 H2SO4 = Al2(SO4)3 + S + 4 H2O
CH3COH + CuO = CH3COOH + Cu =>
CH3COH + CuO = CH3COOH + Cu
C2H5OK + H2O = C2H5OH + KOH =>
C2H5OK + H2O = C2H5OH + KOH
Fe + (NH4)2CO3 = FeCO3 + NH4 =>
Fe + (NH4)2CO3 = FeCO3 + 2 NH4
CoCl2*6H2O + NH4Cl + H2O2 = [Co(NH3)5Cl]Cl2 + H2O + HCl =>
2 CoCl2*6H2O + 10 NH4Cl + H2O2 = 2[Co(NH3)5Cl]Cl2 + 14 H2O + 8 HCl
CuO(s) + H2SO4(aq) = CuSO4(aq) + H2O(l) =>
CuO(s) + H2SO4(aq) = CuSO4(aq) + H2O(l)
Pb(aq) + K2CrO4(aq) = PbCrO4(s) + K2 =>
Pb(aq) + K2CrO4(aq) = PbCrO4(s) + K2
Fe + CuSO4 = FeSO4 + Cu =>
Fe + CuSO4 = FeSO4 + Cu
Cl4N2 + CH4 = N2 + H2 + CCl4 =>
Cl4N2 + CH4 = N2 + 2 H2 + CCl4
AgCl + CuS = Ag2S + CuCl2 =>
2 AgCl + CuS = Ag2S + CuCl2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Pb + ClO4 = Pb(ClO4)4 =>
Pb + 4 ClO4 = Pb(ClO4)4
H3OCN + O2 = CO2 + N2 + H2O =>
4 H3OCN + 5 O2 = 4 CO2 + 2 N2 + 6 H2O
Mg(s) + HCl(l) = ClMg + H2 =>
2 Mg(s) + 2 HCl(l) = 2 ClMg + H2
Cr2O3 + CO = Cr + CO2 =>
Cr2O3 + 3 CO = 2 Cr + 3 CO2
Cd2{+} + S2{-} = CdS =>
Cd2{+} + S2{-} = 2 CdS
NaMnO4 + NaOH + NaI = NaIO3 + H2O + Na2MnO4 =>
6 NaMnO4 + 6 NaOH + NaI = NaIO3 + 3 H2O + 6 Na2MnO4
CH3Cl + CH3OH = CH3OCH3 + HCl =>
CH3Cl + CH3OH = CH3OCH3 + HCl
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