Équations équilibrées la veille |
K2SO4 + 2 HCl = 2 KCl + H2SO4
KI + KIO3 + H2SO4 = I2 + H2O + K2SO4 =>
5 KI + KIO3 + 3 H2SO4 = 3 I2 + 3 H2O + 3 K2SO4
K2CO3 + H2O = H2 + K2CO4 =>
K2CO3 + H2O = H2 + K2CO4
Cl2 + CaS = (Cl2)2S + Ca =>
2 Cl2 + CaS = (Cl2)2S + Ca
V5 + O2 = VO5 =>
2 V5 + 25 O2 = 10 VO5
CuI + I2 + Na2SO3S = CuSO3 + NaI + CuSI4 =>
2 CuI + 2 I2 + Na2SO3S = CuSO3 + 2 NaI + CuSI4
Fe(OH)2 + HNO3 = Fe(NO3)2 + H2O =>
Fe(OH)2 + 2 HNO3 = Fe(NO3)2 + 2 H2O
C6H6 + NO2 + H2O = C6H5NO2 + H3O =>
C6H6 + NO2 + H2O = C6H5NO2 + H3O
Na2S + HClO4 = HCl + Na2SO4 =>
Na2S + HClO4 = HCl + Na2SO4
Na2Co3 + Pb(No3)2 = NaNo3 + Pb2(Co3)2 =>
2 Na2Co3 + 2 Pb(No3)2 = 4 NaNo3 + Pb2(Co3)2
H2CO3 + Na2CO3 = NaHCO3 =>
H2CO3 + Na2CO3 = 2 NaHCO3
KHSO4 + HNO3 = KNO3 + H2O + SO3 =>
KHSO4 + HNO3 = KNO3 + H2O + SO3
BaO + Cl2 = O2 + BaCl2 =>
2 BaO + 2 Cl2 = O2 + 2 BaCl2
C2H6 + HBr2 = CH3Br + HBr =>
C2H6 + 2 HBr2 = 2 CH3Br + 2 HBr
CH3CH2CH3COOK + KOH = CH3CH3 + K2CO3 =>
2 CH3CH2CH3COOK + 2 KOH = 3 CH3CH3 + 2 K2CO3
H2S(g) + MnCl2(aq) = MnS(aq) + HCl(aq) =>
H2S(g) + MnCl2(aq) = MnS(aq) + 2 HCl(aq)
NaHCO3 + CH3OOH = NaCH3COOH + CO2 + H2O =>
4 NaHCO3 + 9 CH3OOH = 4 NaCH3COOH + 5 CO2 + 12 H2O
BaO2 + HCl = BaCl2 + H2O2 =>
BaO2 + 2 HCl = BaCl2 + H2O2
C6H5NH2 + H2SO4 = (C6H5NH3)2SO4 =>
2 C6H5NH2 + H2SO4 = (C6H5NH3)2SO4
C3H5(OH)3 + Cu(OH)2 = C3H5OHCuO2 + H2O =>
C3H5(OH)3 + Cu(OH)2 = C3H5OHCuO2 + 2 H2O
C6H5NH2 + H2SO4 = (C6H5NH3)2SO4 =>
2 C6H5NH2 + H2SO4 = (C6H5NH3)2SO4
NaCO3 = CO2NaO =>
NaCO3 = CO2NaO
H2SO4 + Zn = Zn(SO4)2 + H2 =>
2 H2SO4 + Zn = Zn(SO4)2 + 2 H2
Fe + Cd = FeCd =>
Fe + Cd = FeCd
HClBr(OH)2 = HBrCl(OH)2 =>
HClBr(OH)2 = HBrCl(OH)2
CaNO32K2CO3 = CaCO3K2NO32 =>
CaNO32K2CO3 = CaCO3K2NO32
Sb(s) + Cl2 = SbCl3 =>
2 Sb(s) + 3 Cl2 = 2 SbCl3
Mn + N2 = Mn4N =>
8 Mn + N2 = 2 Mn4N
S + HF = H2 + SF6 =>
S + 6 HF = 3 H2 + SF6
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
ZnOH = Zn + OH =>
ZnOH = Zn + OH
NH3 + Mg + H2O = Mg(OH)2 + NH4 =>
2 NH3 + Mg + 2 H2O = Mg(OH)2 + 2 NH4
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
MgSO2 = MgOSO =>
MgSO2 = MgOSO
CH3CO2H + PB(OH)2 = PB(CH3CO2)2 + H2O =>
2 CH3CO2H + PB(OH)2 = PB(CH3CO2)2 + 2 H2O
Ca + N2 = Ca3N2 =>
3 Ca + N2 = Ca3N2
ClO3{-} + H{+} = Cl2 + O2 + H2O =>
4 ClO3{-} + 4 H{+} = 2 Cl2 + 5 O2 + 2 H2O
O4 = O9 =>
9 O4 = 4 O9
Sb3 + Cl2 = SbCl =>
2 Sb3 + 3 Cl2 = 6 SbCl
Ca(HSO4)2(s) = CaSO4(s)H2SO4(l) =>
Ca(HSO4)2(s) = CaSO4(s)H2SO4(l)
Zn + HgCl2 = ZnCl2 + Hg2 =>
2 Zn + 2 HgCl2 = 2 ZnCl2 + Hg2
Cd + CoSO4 = CdSO4 + Co =>
Cd + CoSO4 = CdSO4 + Co
KNO2 = O2 + NO + K2O =>
4 KNO2 = O2 + 4 NO + 2 K2O
Cr2O3 + K2CO3 + O2 = K2CrO4 + CO2 =>
2 Cr2O3 + 4 K2CO3 + 3 O2 = 4 K2CrO4 + 4 CO2
NiO + HgCl2 = NiCl2 + HgO =>
NiO + HgCl2 = NiCl2 + HgO
H2SO4 + LiHSO3 = LiHSO4 + H2SO3 =>
H2SO4 + LiHSO3 = LiHSO4 + H2SO3
K2Cr2O7 + I2 + H2SO4 = I2O5 + K2SO4 + Cr2(SO4)3 + H2O =>
5 K2Cr2O7 + 3 I2 + 20 H2SO4 = 3 I2O5 + 5 K2SO4 + 5 Cr2(SO4)3 + 20 H2O
C19H18N2O6 + O2 = HNO3 + H2O + CO2 =>
C19H18N2O6 + 23 O2 = 2 HNO3 + 8 H2O + 19 CO2
K2CrO7 + H2S + HCl = CrCl3 + S + KCl + H2O =>
2 K2CrO7 + 9 H2S + 10 HCl = 2 CrCl3 + 9 S + 4 KCl + 14 H2O
H2PO4 = H2P2O7H2O =>
2 H2PO4 = H2P2O7H2O
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