Équations équilibrées la veille |
4 NH(g) + 3 O2(g) = 4 NO(g) + 2 H2O
Al + Cu2O = Al2O3 + Cu =>
2 Al + 3 Cu2O = Al2O3 + 6 Cu
MgSO4 + H2O = MgSO4*7H2O =>
MgSO4 + 7 H2O = MgSO4*7H2O
Sr + H2 = SrH2 =>
Sr + H2 = SrH2
N2H5Cl + KIO3 = KI + N2 + H2O + HCl =>
3 N2H5Cl + 2 KIO3 = 2 KI + 3 N2 + 6 H2O + 3 HCl
SiO2 + NF3 = SiF4 + N2 + O2 =>
3 SiO2 + 4 NF3 = 3 SiF4 + 2 N2 + 3 O2
Ca + N = CaN =>
Ca + N = CaN
MgSO4 + H2O = Mg(OH)2 + H2SO4 =>
MgSO4 + 2 H2O = Mg(OH)2 + H2SO4
SO3(g) + H2O(i) = H2SO4(ac) =>
SO3(g) + H2O(i) = H2SO4(ac)
CuO + CO = Cu + CO2 =>
CuO + CO = Cu + CO2
Na2S2O3(aq) + AgBr(s) = NaBr(aq) + Na3[Ag(S2O3)2](aq) =>
2 Na2S2O3(aq) + AgBr(s) = NaBr(aq) + Na3[Ag(S2O3)2](aq)
K4Fe(CN)6 + PbO2 + HCl = KCl + FeCl3 + PbCl2 + CO2 + HNO3 + H2O =>
2 K4Fe(CN)6 + 61 PbO2 + 136 HCl = 8 KCl + 2 FeCl3 + 61 PbCl2 + 12 CO2 + 12 HNO3 + 62 H2O
LiOH + H2SO4 = Li2SO4 + H2O =>
2 LiOH + H2SO4 = Li2SO4 + 2 H2O
FeO + HCl + NaHCO3 = FeCl + NaCO3 + H2O =>
FeO + HCl + NaHCO3 = FeCl + NaCO3 + H2O
AlCl3 + BaSO4 = Al(SO4)3 + BaCl =>
AlCl3 + 3 BaSO4 = Al(SO4)3 + 3 BaCl
NaHSO3(aq) + KIO3(aq) = I2(aq) + Na2SO4(aq) + H2SO4(aq) + H2O(l) + K2SO4(aq) =>
10 NaHSO3(aq) + 4 KIO3(aq) = 2 I2(aq) + 5 Na2SO4(aq) + 3 H2SO4(aq) + 2 H2O(l) + 2 K2SO4(aq)
Fe2 + O2(g) = Fe2O3 =>
2 Fe2 + 3 O2(g) = 2 Fe2O3
Cl2(g) + F2(g) = ClF(g) =>
Cl2(g) + F2(g) = 2 ClF(g)
Sr + H2 = HSr =>
2 Sr + H2 = 2 HSr
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
NF3 + SiO2 = SiF4 + O + N =>
4 NF3 + 3 SiO2 = 3 SiF4 + 6 O + 4 N
KBr + H2SO4 = KHSO4 + HBr =>
KBr + H2SO4 = KHSO4 + HBr
K4Fe(CN)6 + PbO2 + HCl = KCl + FeCl3 + PbCl2 + CO2 + HNO2 + H2O =>
2 K4Fe(CN)6 + 49 PbO2 + 112 HCl = 8 KCl + 2 FeCl3 + 49 PbCl2 + 12 CO2 + 12 HNO2 + 50 H2O
[Co(NH3)6Cl]Cl2 + AgNO3 = AgCl + [Co(NH3)6NO3]Cl2 =>
[Co(NH3)6Cl]Cl2 + AgNO3 = AgCl + [Co(NH3)6NO3]Cl2
C6H5CHBrCH3 + KOH = H2O + KBr + C6H5CHCH2 =>
C6H5CHBrCH3 + KOH = H2O + KBr + C6H5CHCH2
K4Fe(CN)6 + PbO2 + HCl = KCl + FeCl3 + PbCl2 + CO2 + HNO3 + H2O =>
2 K4Fe(CN)6 + 61 PbO2 + 136 HCl = 8 KCl + 2 FeCl3 + 61 PbCl2 + 12 CO2 + 12 HNO3 + 62 H2O
Cl2(g) + F2(g) = ClF3 =>
Cl2(g) + 3 F2(g) = 2 ClF3
(NH4)2Cr2O7(s) + NaOH(aq) = H2O(l) + NH3 + Na2Cr2O7 =>
(NH4)2Cr2O7(s) + 2 NaOH(aq) = 2 H2O(l) + 2 NH3 + Na2Cr2O7
Cl2(g) + F2(g) = ClF5(g) =>
Cl2(g) + 5 F2(g) = 2 ClF5(g)
Na2CO3 + CH3COOH = NaCH3COO + H2O + CO2 =>
Na2CO3 + 2 CH3COOH = 2 NaCH3COO + H2O + CO2
NF3 + SiO2 = SiF4 + NO + NO2 =>
4 NF3 + 3 SiO2 = 3 SiF4 + 2 NO + 2 NO2
Ca + Fe(OH)2 = Ca(OH)2 + Fe =>
Ca + Fe(OH)2 = Ca(OH)2 + Fe
KBr + H2SO4 = K2SO4 + HBr =>
2 KBr + H2SO4 = K2SO4 + 2 HBr
B2O3 + H2SO4 = B2(SO4)3 + H2O =>
B2O3 + 3 H2SO4 = B2(SO4)3 + 3 H2O
H2S + MnO4 = Mn + SO4 + H =>
H2S + MnO4 = Mn + SO4 + 2 H
N2 + H2 + H2O = NH4OH =>
N2 + 3 H2 + 2 H2O = 2 NH4OH
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
NaBr(aq) + BaCl2(aq) = NaCl(aq) + BaBr2(s) =>
2 NaBr(aq) + BaCl2(aq) = 2 NaCl(aq) + BaBr2(s)
K4Fe(CN)6 + PbO2 + HCl = KCl + FeCl3 + PbCl2 + CO2 + NO2 + H2O =>
2 K4Fe(CN)6 + 55 PbO2 + 124 HCl = 8 KCl + 2 FeCl3 + 55 PbCl2 + 12 CO2 + 12 NO2 + 62 H2O
Cl2(g) + F2(g) = ClF(g) =>
Cl2(g) + F2(g) = 2 ClF(g)
MgF2 + Li2CO3 = MgCO3 + LiF =>
MgF2 + Li2CO3 = MgCO3 + 2 LiF
HNO2 + KCl = KNO2 + HCl =>
HNO2 + KCl = KNO2 + HCl
Al4C3(s) + H2O(l) = Al(OH)3(s) + CH4(g) =>
Al4C3(s) + 12 H2O(l) = 4 Al(OH)3(s) + 3 CH4(g)
CH3COOH + Na2CO3 = CH3COONa + H2O + CO2 =>
2 CH3COOH + Na2CO3 = 2 CH3COONa + H2O + CO2
H2S + MnO4 = Mn + SO4 + H =>
H2S + MnO4 = Mn + SO4 + 2 H
CH3NH2 + KNO2 + HCl = CH3OH + N2 + KCl + H2O =>
CH3NH2 + KNO2 + HCl = CH3OH + N2 + KCl + H2O
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
NaOH + GeO2 = Na2GeO3 + H2O =>
2 NaOH + GeO2 = Na2GeO3 + H2O
CuSO4 + Ba(NO3)2 = CuSO4Ba(NO3)2 =>
CuSO4 + Ba(NO3)2 = CuSO4Ba(NO3)2
KBr + H2SO4 = K2SO4 + Br2 + H2S + H2O =>
8 KBr + 5 H2SO4 = 4 K2SO4 + 4 Br2 + H2S + 4 H2O
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