Équations équilibrées la veille |
2 CrCl3 + 3 F2 = 2 CrF3 + 3 Cl2
Ba(OH)2 + ZnS = BaS + Zn(OH)2 =>
Ba(OH)2 + ZnS = BaS + Zn(OH)2
AsH3 + AuCl3 + KOH = K3AsO3 + Au + H2O + KCl =>
AsH3 + 2 AuCl3 + 9 KOH = K3AsO3 + 2 Au + 6 H2O + 6 KCl
Fe203 + O2 = Fe3O4 =>
3 Fe203 + 406 O2 = 203 Fe3O4
CaC2 + H2O = C2H2 + Ca(OH)2 =>
CaC2 + 2 H2O = C2H2 + Ca(OH)2
C2H6 + Br2 = C2H5Br + HBr =>
C2H6 + Br2 = C2H5Br + HBr
CuSO4 + NH4OH = [CuOH]2SO4 + [NH4]2SO4 =>
2 CuSO4 + 2 NH4OH = [CuOH]2SO4 + [NH4]2SO4
H{+} + SO4{2-} + I{-} = H2S + I2 + H2O =>
10 H{+} + SO4{2-} + 8 I{-} = H2S + 4 I2 + 4 H2O
(CH3)2N2H2 + N2O2 = CO2 + N2 + H2O =>
(CH3)2N2H2 + 4 N2O2 = 2 CO2 + 5 N2 + 4 H2O
H2SO4 + Fe = FeSO4 + H2 =>
H2SO4 + Fe = FeSO4 + H2
Zn + HCl = ZnCl + H2 =>
2 Zn + 2 HCl = 2 ZnCl + H2
CaCl2 + Na2(CO3) = Ca(CO3) + NaCl =>
CaCl2 + Na2(CO3) = Ca(CO3) + 2 NaCl
HCl + CaCO3 + NaOH = H2O + NaCO3 + CaCl =>
HCl + CaCO3 + NaOH = H2O + NaCO3 + CaCl
K2C + O2 = K2O + CO =>
K2C + O2 = K2O + CO
HFK = KHF =>
HFK = KHF
Ca(OH)2Mg(HCO3)2 = Mg(OH)2Ca(HCO3)2 =>
Ca(OH)2Mg(HCO3)2 = Mg(OH)2Ca(HCO3)2
C5H5 + Fe = Fe(C5H5)2 =>
2 C5H5 + Fe = Fe(C5H5)2
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
C2H3O2 + H2O = HC2H3O2 + OH =>
C2H3O2 + H2O = HC2H3O2 + OH
H2CO + K2Cr2O7 + H2SO4 = CO2 + CrSO4 + K2SO4 + H2O =>
2 H2CO + K2Cr2O7 + 3 H2SO4 = 2 CO2 + 2 CrSO4 + K2SO4 + 5 H2O
PbO + H2S = PbS + H2O =>
PbO + H2S = PbS + H2O
KOH + Cu(CH3COO)2 = KCH3COO + Cu(OH)2 =>
2 KOH + Cu(CH3COO)2 = 2 KCH3COO + Cu(OH)2
HCl + K2CO3 = KCl + H2O + CO2 =>
2 HCl + K2CO3 = 2 KCl + H2O + CO2
Pb(NO3)2 + H2O + Na2SO4 = PbSO4 + NaOH + HNO3 =>
Pb(NO3)2 + 2 H2O + Na2SO4 = PbSO4 + 2 NaOH + 2 HNO3
CS2(l) + O2 = CO2 + SO2 =>
CS2(l) + 3 O2 = CO2 + 2 SO2
NaC + MnCl = NaCl + MnC =>
NaC + MnCl = NaCl + MnC
Pb(NO2)2 + NaOH = Pb(OH)2 + NaNO2 =>
Pb(NO2)2 + 2 NaOH = Pb(OH)2 + 2 NaNO2
CH3COOH + Ca(HCO3)2 = (CH3COO)Ca + H2O + CO2 =>
9 CH3COOH + 8 Ca(HCO3)2 = 8(CH3COO)Ca + 14 H2O + 18 CO2
CS2 = C + S6 =>
3 CS2 = 3 C + S6
MgI2 + Mn2(SO3)4 = Mg(SO3) + MnI4 =>
4 MgI2 + Mn2(SO3)4 = 4 Mg(SO3) + 2 MnI4
KCl + MnO2 = K2O + MnCl2 + Cl2 =>
4 KCl + MnO2 = 2 K2O + MnCl2 + Cl2
NH3 + Cr2(SO4)3 + H2O = Cr(OH)3 + (NH4)2SO4 =>
6 NH3 + Cr2(SO4)3 + 6 H2O = 2 Cr(OH)3 + 3(NH4)2SO4
Zn + Fl = ZnFl =>
Zn + Fl = ZnFl
LiBr + Fe2O3 = FeBr3 + Li2O =>
6 LiBr + Fe2O3 = 2 FeBr3 + 3 Li2O
Mg2Si + NaOH + H2O = Mg(OH)2 + Na2SiO3 + H2 =>
Mg2Si + 2 NaOH + 5 H2O = 2 Mg(OH)2 + Na2SiO3 + 4 H2
S + Cu = CuS =>
S + Cu = CuS
ZnO + HCl = ZnCl2 + H2O =>
ZnO + 2 HCl = ZnCl2 + H2O
MgCl2 + K2SO4 = MgSO4 + K2Cl2 =>
MgCl2 + K2SO4 = MgSO4 + K2Cl2
Zn + O2 = Zn(O2) =>
Zn + O2 = Zn(O2)
AlOH + H2SO4 = AlSO4 + H2 + O2 =>
2 AlOH + 2 H2SO4 = 2 AlSO4 + 3 H2 + O2
MgI2 + Ba(OH)2 = Mg(OH)2 + BaI2 =>
MgI2 + Ba(OH)2 = Mg(OH)2 + BaI2
PbO + H3Po4 = Pb3(Po4)2 + H2O =>
3 PbO + 2 H3Po4 = Pb3(Po4)2 + 3 H2O
P4(s) + O2(g) = P2O3(g) =>
P4(s) + 3 O2(g) = 2 P2O3(g)
Na2S203 + I2 = NaI + Na2S406 =>
2 Na2S203 + I2 = 2 NaI + Na2S406
ZnCl2Ba(OH)2 = Zn(OH)2BaCl2 =>
ZnCl2Ba(OH)2 = Zn(OH)2BaCl2
C2O4 + KOH = K2CO3 + H2O =>
C2O4 + 4 KOH = 2 K2CO3 + 2 H2O
Na2CO3 + CrBr3 + H2O = NaBr + Cr(OH)3 + CO2 =>
3 Na2CO3 + 2 CrBr3 + 3 H2O = 6 NaBr + 2 Cr(OH)3 + 3 CO2
Cu + H2SO4 + HNO3 = CuSO4 + NO + H2O =>
3 Cu + 3 H2SO4 + 2 HNO3 = 3 CuSO4 + 2 NO + 4 H2O
Sn + NaOH = Na2SnO2 + H2 =>
Sn + 2 NaOH = Na2SnO2 + H2
Sn + CO = SnO + C =>
Sn + CO = SnO + C
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