Équations équilibrées la veille |
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
K + Br2 = KBr =>
2 K + Br2 = 2 KBr
CaBr2 + Na2CO3 = CaCO3 + NaBr =>
CaBr2 + Na2CO3 = CaCO3 + 2 NaBr
K + O2 + S = K2SO4 =>
2 K + 2 O2 + S = K2SO4
KI + KNO2 + HCl = NO + KIO3 + KCl + H2O =>
KI + 6 KNO2 + 6 HCl = 6 NO + KIO3 + 6 KCl + 3 H2O
Pb(SO4)2 + KOH = Pb(OH)4 + K2SO4 =>
Pb(SO4)2 + 4 KOH = Pb(OH)4 + 2 K2SO4
Fe(OH)3 + CrO3 = Fe2(Cr2O7)3 + H2O =>
2 Fe(OH)3 + 6 CrO3 = Fe2(Cr2O7)3 + 3 H2O
HNO3Ca(OH)2 = HNO3 + Ca(OH)2 =>
HNO3Ca(OH)2 = HNO3 + Ca(OH)2
Li2SO3 + H2O = H2SO3 + Li2O =>
Li2SO3 + H2O = H2SO3 + Li2O
CuSO4 + Zi = ZiSO4 + Cu =>
CuSO4 + Zi = ZiSO4 + Cu
K2Cr2O7 + Ni + HNO3 = Cr(NO3)3 + Ni(NO3)2 + H2O + K2 =>
K2Cr2O7 + 4 Ni + 14 HNO3 = 2 Cr(NO3)3 + 4 Ni(NO3)2 + 7 H2O + K2
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
S + KOH = K2S + K2SO3 + H2O =>
3 S + 6 KOH = 2 K2S + K2SO3 + 3 H2O
Cu2Mn2O5 = CuO + Mn2O3 =>
Cu2Mn2O5 = 2 CuO + Mn2O3
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Ag(s) + H2S(g) + O2(g) = Ag2S(s) + H2O(l) =>
4 Ag(s) + 2 H2S(g) + O2(g) = 2 Ag2S(s) + 2 H2O(l)
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
MgCl2 + AgNO3 = Mg(NO3)2 + AgCl =>
MgCl2 + 2 AgNO3 = Mg(NO3)2 + 2 AgCl
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Fe2O3 + HClO4 = FeO2 + HClO =>
3 Fe2O3 + HClO4 = 6 FeO2 + HClO
Na2SO3 + S = Na2S + SO4 =>
4 Na2SO3 + 3 S = 4 Na2S + 3 SO4
Z2Rx = Z8 + Rx =>
4 Z2Rx = Z8 + 4 Rx
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
C11H18 + O2 = CO2 + H2O =>
2 C11H18 + 31 O2 = 22 CO2 + 18 H2O
CH3COOH + Al = Al(CH3COO)3 + H2 =>
6 CH3COOH + 2 Al = 2 Al(CH3COO)3 + 3 H2
BaS + PtF2 = BaF2 + PtS =>
BaS + PtF2 = BaF2 + PtS
Mn + OH = Mn(OH)2 =>
Mn + 2 OH = Mn(OH)2
Cu(NO3)2 + Ai(OH)3 = Ai(NO3)3 + Cu(OH)2 =>
3 Cu(NO3)2 + 2 Ai(OH)3 = 2 Ai(NO3)3 + 3 Cu(OH)2
HCl + Be(OH)2 = Be(Cl)2 + H2O = =>
2 HCl + Be(OH)2 = Be(Cl)2 + 2 H2O
F2 + S = SF6 =>
3 F2 + S = SF6
KMnO4 + H2O = KOH + MnO2 + O2 =>
4 KMnO4 + 2 H2O = 4 KOH + 4 MnO2 + 3 O2
NH3 + HNO3 = HNO2 + H2O =>
NH3 + 3 HNO3 = 4 HNO2 + H2O
RbI + Na = NaI2 + Rb =>
2 RbI + Na = NaI2 + 2 Rb
NaHSO4 + NH4HSO3 = Na2SO4 + (NH4)2SO4 + H2O + SO2 =>
2 NaHSO4 + 2 NH4HSO3 = Na2SO4 + (NH4)2SO4 + 2 H2O + 2 SO2
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
Sr + Cl2 + O2 = Sr(ClO3)2 =>
Sr + Cl2 + 3 O2 = Sr(ClO3)2
KMnO4 + NaBr + H2O = Br2 + MnO3 + NaOH + KOH =>
2 KMnO4 + 2 NaBr + 2 H2O = Br2 + 2 MnO3 + 2 NaOH + 2 KOH
NaI + NaOH = IOH + Na =>
NaI + NaOH = IOH + 2 Na
BaS + (NH4)2SO4 = BaSO4 + S(NH4)2 =>
BaS + (NH4)2SO4 = BaSO4 + S(NH4)2
NaOH + ZnCl2 = Zn(OH)2 + NaCl =>
2 NaOH + ZnCl2 = Zn(OH)2 + 2 NaCl
Mg + AgNO3 = Mg(NO3)2 + Ag =>
Mg + 2 AgNO3 = Mg(NO3)2 + 2 Ag
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
K2C2O4*H2O + FeCl3*6H2O = FeK3(C2O4)3*3H2O + KCl + H2O =>
3 K2C2O4*H2O + FeCl3*6H2O = FeK3(C2O4)3*3H2O + 3 KCl + 6 H2O
KI(aq) + Br2(aq) = KBr(aq) + I2(aq) =>
2 KI(aq) + Br2(aq) = 2 KBr(aq) + I2(aq)
H2SO4 + NaNO2 = HNOSO4 + NaOH =>
H2SO4 + NaNO2 = HNOSO4 + NaOH
FeO + H2O = Fe(O)2 + H2 =>
FeO + H2O = Fe(O)2 + H2
C2H5Br + C6H6 = HBr + C2H5C6H6 =>
9 C2H5Br + 5 C6H6 = 9 HBr + 6 C2H5C6H6
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