| Équations équilibrées la veille |
2 Ca + (HNO3)2 = 2 Ca(NO3) + 2 H
CdBr2 + Na2S = NaBr + Cd2S2 =>
2 CdBr2 + 2 Na2S = 4 NaBr + Cd2S2
KMnO4 + H2SO4 + CH3C6H6 = K2SO4 + MnSO4 + C6H6COOH + H2O =>
6 KMnO4 + 9 H2SO4 + 5 CH3C6H6 = 3 K2SO4 + 6 MnSO4 + 5 C6H6COOH + 14 H2O
Na2WO4 + Ca(OH)2 = CaWO4 + NaOH =>
Na2WO4 + Ca(OH)2 = CaWO4 + 2 NaOH
CH3CHO + O2 = CH3COOH =>
2 CH3CHO + O2 = 2 CH3COOH
C10H22 + H2O = CO + H2 =>
C10H22 + 10 H2O = 10 CO + 21 H2
(NO)2 + O2 + H2O = HNO3 =>
2(NO)2 + 3 O2 + 2 H2O = 4 HNO3
AlCl3 + K2O = AlO + K + Cl2 =>
2 AlCl3 + 2 K2O = 2 AlO + 4 K + 3 Cl2
NCl + CS = N2S + CCl2 =>
2 NCl + CS = N2S + CCl2
P4 + O2 = P2O3 =>
P4 + 3 O2 = 2 P2O3
H2O + As2O3 + KBrO4 = KBr + H3As2O5 =>
12 H2O + 8 As2O3 + KBrO4 = KBr + 8 H3As2O5
C + N2 = C2N2 =>
2 C + N2 = C2N2
Al2(SO3)3 + NaOH = Na2SO3 + Al(OH)3 =>
Al2(SO3)3 + 6 NaOH = 3 Na2SO3 + 2 Al(OH)3
C2H5OH + H{+} + Cr2O7{2-} = CH3COOH + H2O + Cr{3+} =>
3 C2H5OH + 16 H{+} + 2 Cr2O7{2-} = 3 CH3COOH + 11 H2O + 4 Cr{3+}
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Fe2 + NaOH = Fe(NaOH) =>
Fe2 + 2 NaOH = 2 Fe(NaOH)
CH3CH2OH + O2 = CO2 + H2O =>
CH3CH2OH + 3 O2 = 2 CO2 + 3 H2O
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
Pb(NO3)2 + NaCl = PbCl2 + NaNO3 =>
Pb(NO3)2 + 2 NaCl = PbCl2 + 2 NaNO3
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
HN3O + NaC3O = HC3O + NaN3O =>
HN3O + NaC3O = HC3O + NaN3O
CaO + N2O5 = Ca3N2 + O2 =>
3 CaO + N2O5 = Ca3N2 + 4 O2
NHg + F2 = N2F2 + HgF =>
2 NHg + 2 F2 = N2F2 + 2 HgF
NH3(aq) + HCl(aq) = NH4Cl(aq) =>
NH3(aq) + HCl(aq) = NH4Cl(aq)
H2SO3 + MnO = MnSO4 + H2 =>
H2SO3 + MnO = MnSO4 + H2
MgNO2 + H2O = MgO + NH3 + O2 =>
4 MgNO2 + 6 H2O = 4 MgO + 4 NH3 + 5 O2
H2SO3 + H2O = HSO3{-} + H3O{+} =>
H2SO3 + H2O = HSO3{-} + H3O{+}
Au + H{+} = Au3{+} + H2 =>
6 Au + 2 H{+} = 2 Au3{+} + H2
FeNO3 + KCrO4 = Fe(CrO4) + KNO3 =>
FeNO3 + KCrO4 = Fe(CrO4) + KNO3
Bi5O(OH)9(NO3)4 + HNO3 = Bi(NO3)3*2H2O =>
Bi5O(OH)9(NO3)4 + 11 HNO3 = 5 Bi(NO3)3*2H2O
FeS = Fe + S8 =>
8 FeS = 8 Fe + S8
KMnO4 + H2SO4 + KNO2 = MnSO4 + H2O + KNO3 + K2SO4 =>
2 KMnO4 + 3 H2SO4 + 5 KNO2 = 2 MnSO4 + 3 H2O + 5 KNO3 + K2SO4
Ti + N2 = Ti3N4 =>
3 Ti + 2 N2 = Ti3N4
FeS2 + H2O = Fe2O3 + H2 + H2SO4 =>
2 FeS2 + 19 H2O = Fe2O3 + 15 H2 + 4 H2SO4
Mg + AgNO3 = Mg(NO3)2 + Ag =>
Mg + 2 AgNO3 = Mg(NO3)2 + 2 Ag
BaS + KF = BaF2 + K2S =>
BaS + 2 KF = BaF2 + K2S
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
W + HF + HNO3 = WF6 + NO + H2O =>
W + 6 HF + 2 HNO3 = WF6 + 2 NO + 4 H2O
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
Al(OH)3 + H2CO3 = Al2(CO3)3 + H2O =>
2 Al(OH)3 + 3 H2CO3 = Al2(CO3)3 + 6 H2O
K1MnO4 + K5Cl + H2SO4 = MnSO4 + KHSO4 + H2O + Cl2 =>
2 K1MnO4 + 2 K5Cl + 14 H2SO4 = 2 MnSO4 + 12 KHSO4 + 8 H2O + Cl2
Zinccarbonate + sulfuricacid = zincsulfate + water + carbondioxide =>
ZnCO3 + H2SO4 = ZnSO4 + H2O + CO2
CH2BrCH2Br + KOH = C2H2 + KBr + H2O =>
CH2BrCH2Br + 2 KOH = C2H2 + 2 KBr + 2 H2O
Na2O + HCl = NaCl + H2O =>
Na2O + 2 HCl = 2 NaCl + H2O
SrCl2 + NaOH = SrNa + Cl2OH =>
SrCl2 + NaOH = SrNa + Cl2OH
FeCrO4 + K2CO2 + O2 = Fe2O3 + K2CrO4 + CO2 =>
4 FeCrO4 + 4 K2CO2 + 3 O2 = 2 Fe2O3 + 4 K2CrO4 + 4 CO2
RbOH + Al2(SO4) = Rb2(SO4) + Al(OH) =>
2 RbOH + Al2(SO4) = Rb2(SO4) + 2 Al(OH)
SiCl4 + H2O = SiO2 + HCl =>
SiCl4 + 2 H2O = SiO2 + 4 HCl
Co3P2 + H2O = Co(OH)2 + PH3 =>
Co3P2 + 6 H2O = 3 Co(OH)2 + 2 PH3
Br2O3(g) + H2O(l) = HBrO2(l) =>
Br2O3(g) + H2O(l) = 2 HBrO2(l)
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