Équations équilibrées la veille | Équations équilibrées le lendemain |
3 Pb(C2H3O2)2 + 2 Li3PO4 = Pb3(PO4)2 + 6 LiC2H3O2
PH3(g) + O2(g) = P2O5(s) + H2O(g)0 =>
2 PH3(g) + 4 O2(g) = P2O5(s) + 3 H2O(g)0
CH3NHCH3 + HCl = CH3NH2ClCH3 =>
CH3NHCH3 + HCl = CH3NH2ClCH3
Ni + HI = NiI + H2 =>
2 Ni + 2 HI = 2 NiI + H2
Ca10(PO4)6F2 + HCl = CaHPO4 + CaF2 + CaCl2 =>
Ca10(PO4)6F2 + 6 HCl = 6 CaHPO4 + CaF2 + 3 CaCl2
Be + NaOH + H2O = H2 + Na2Be(OH)4 =>
Be + 2 NaOH + 2 H2O = H2 + Na2Be(OH)4
KClO + HBr = KCl + H2O + Br2 =>
KClO + 2 HBr = KCl + H2O + Br2
FeBr2 + H2O = Fe(OH)2 + HBr =>
FeBr2 + 2 H2O = Fe(OH)2 + 2 HBr
CH2Cl2 + NaOH = NaCl + CH2ClOH =>
CH2Cl2 + NaOH = NaCl + CH2ClOH
C6H5NH2 + H2SO4 = [C6H5NH4]SO4 =>
C6H5NH2 + H2SO4 = [C6H5NH4]SO4
COH4 + H2O = H3O + CO =>
COH4 + 4 H2O = 4 H3O + CO
NaHCO3(s) + CH3COOH(aq) = H2CO3(aq) + CH3COO{-}(aq) + Na{+}(aq)H2CO3(aq) = H2O(l) + CO2(g) =>
NaHCO3(s) + CH3COOH(aq) = H2CO3(aq) + CH3COO{-}(aq) + Na{+}(aq)H2CO3(aq)
SiCl4 + NaOH = Si + NaClO + H2 =>
SiCl4 + 4 NaOH = Si + 4 NaClO + 2 H2
C4H14N + O2 = CO2 + H2O + N2 =>
2 C4H14N + 15 O2 = 8 CO2 + 14 H2O + N2
K2Cr2O7 + Pb(CH3COO)2 = Pb(Cr2O7) + CH3COOK =>
K2Cr2O7 + Pb(CH3COO)2 = Pb(Cr2O7) + 2 CH3COOK
Zn(NO3)2 + K2O = ZnO + KNO3 =>
Zn(NO3)2 + K2O = ZnO + 2 KNO3
CO2 + Cl2 = CCl4 + O2 =>
CO2 + 2 Cl2 = CCl4 + O2
SiH4 + CaSiO3 = CaO + Si + H2O =>
SiH4 + CaSiO3 = CaO + 2 Si + 2 H2O
Fe + AgNO3 = Fe(Ag(NO3))2 =>
Fe + 2 AgNO3 = Fe(Ag(NO3))2
Cu + MnO2 = Mn + CuO =>
2 Cu + MnO2 = Mn + 2 CuO
Cu(NO3)3 + KI = CuI + I2 + KNO3 =>
Cu(NO3)3 + 3 KI = CuI + I2 + 3 KNO3
K2O + O2 = KO2 =>
2 K2O + 3 O2 = 4 KO2
H2CO3(aq) + Ca(OH)2(aq) = CaCO3(aq) + H2O(l) =>
H2CO3(aq) + Ca(OH)2(aq) = CaCO3(aq) + 2 H2O(l)
NaHS + Ba(OH)2 = BaHS + Na(OH)2 =>
NaHS + Ba(OH)2 = BaHS + Na(OH)2
CrO2 + H2O = Cr + OH =>
CrO2 + 2 H2O = Cr + 4 OH
Zn(No3)2(aq) + Na2S(aq) = ZnS(s) + NaNo3(aq) =>
Zn(No3)2(aq) + Na2S(aq) = ZnS(s) + 2 NaNo3(aq)
Cu(s) + HNO3(aq) = Cu(NO3)2(aq) + NO(g) + H2O(l) =>
3 Cu(s) + 8 HNO3(aq) = 3 Cu(NO3)2(aq) + 2 NO(g) + 4 H2O(l)
Pb(s) + ZnCl2(aq) = PbCl2 + Zn =>
Pb(s) + ZnCl2(aq) = PbCl2 + Zn
Na2S + FeCl3 = FeS + S + NaCl =>
3 Na2S + 2 FeCl3 = 2 FeS + S + 6 NaCl
NiC2O4*2H2O = NiCO3 + H2O + CO =>
NiC2O4*2H2O = NiCO3 + 2 H2O + CO
Pb(s) + S(s) = PbS2 =>
Pb(s) + 2 S(s) = PbS2
La(NO3)3*6H2O + Mg(NO3)2*6H2O + Mn(NO3)2*4H2O = La7Mg3Mn10O30 + N + O + H =>
7 La(NO3)3*6H2O + 3 Mg(NO3)2*6H2O + 10 Mn(NO3)2*4H2O = La7Mg3Mn10O30 + 47 N + 211 O + 200 H
C6H12O + O2 = CO2 + H2O =>
2 C6H12O + 17 O2 = 12 CO2 + 12 H2O
C45H86O6 + H2O = C3H5(OH)3 + C14H28O2 =>
C45H86O6 + 3 H2O = C3H5(OH)3 + 3 C14H28O2
C4H9OH + Na2Cr2O7 + H2SO4 = C3H7COOH + Na2SO4 + Cr2(SO4)3 + H2O =>
3 C4H9OH + 2 Na2Cr2O7 + 8 H2SO4 = 3 C3H7COOH + 2 Na2SO4 + 2 Cr2(SO4)3 + 11 H2O
NO + O2 = NO2 = =>
2 NO + O2 = 2 NO2
RbOH + CH3COOH = C2H3O2Rb + H2O =>
RbOH + CH3COOH = C2H3O2Rb + H2O
VS2 + O2 = VO3 + SO2 =>
2 VS2 + 7 O2 = 2 VO3 + 4 SO2
K2(CO3) + H3PO4 = K3PO4 + CO2 + H2O =>
3 K2(CO3) + 2 H3PO4 = 2 K3PO4 + 3 CO2 + 3 H2O
NO + O3 = NO2 + O2 =>
NO + O3 = NO2 + O2
CH3CHO + Cr2O7{-2} + H{+} = CH3COOH + Cr{+3} + H2O =>
3 CH3CHO + Cr2O7{-2} + 8 H{+} = 3 CH3COOH + 2 Cr{+3} + 4 H2O
Zn + I2 = ZnI2 =>
Zn + I2 = ZnI2
(MgOH)2CO3 + HNO3 = Mg(NO3)2 + H2O + CO2 =>
(MgOH)2CO3 + 4 HNO3 = 2 Mg(NO3)2 + 3 H2O + CO2
NO3{-} + Pb + H2O = NO + Pb{2+} + OH{-} =>
2 NO3{-} + 3 Pb + 4 H2O = 2 NO + 3 Pb{2+} + 8 OH{-}
Zn + I2 = ZnI2 =>
Zn + I2 = ZnI2
H3 + NO = H2O + N =>
2 H3 + 3 NO = 3 H2O + 3 N
Na2Cr2O7*2H2O + HNO3 + CH3OH = Cr(NO3)3 + NaNO3 + CH2O2 + H2O =>
2 Na2Cr2O7*2H2O + 16 HNO3 + 3 CH3OH = 4 Cr(NO3)3 + 4 NaNO3 + 3 CH2O2 + 15 H2O
Ca(s) + HCl(l) = CaCl2(aq) + H2(g) =>
Ca(s) + 2 HCl(l) = CaCl2(aq) + H2(g)
Cr2(SO4)3 + CH3COONa + H2O = Cr(OH)2CH3COO + CH3COOH + Na2SO4 =>
Cr2(SO4)3 + 6 CH3COONa + 4 H2O = 2 Cr(OH)2CH3COO + 4 CH3COOH + 3 Na2SO4
Li(s) + F2(l) = LiF(s) =>
2 Li(s) + F2(l) = 2 LiF(s)
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