Équations équilibrées la veille |
SiO3{-2} + 2 H{+} = H2SiO3
Zn(s) + H2O(g) = ZnO(s) + H2(g) =>
Zn(s) + H2O(g) = ZnO(s) + H2(g)
Ca + HCl = CaCl1 + H2 =>
2 Ca + 2 HCl = 2 CaCl1 + H2
C2H3Cl + O2 = CO + H2O + HCl =>
2 C2H3Cl + 3 O2 = 4 CO + 2 H2O + 2 HCl
CH3CH2NHCH3HCl = CH3CH2NH2CH3Cl =>
CH3CH2NHCH3HCl = CH3CH2NH2CH3Cl
NaNO3 + Pb(CH3COO)2 = Na(CH3COO) + Pb(NO3)2 =>
2 NaNO3 + Pb(CH3COO)2 = 2 Na(CH3COO) + Pb(NO3)2
CuSO(s) + HO(l) = CuSO*5HO(s) =>
CuSO(s) + 5 HO(l) = CuSO*5HO(s)
Zn + Fe{2} = Zn{+2} + Fe =>
Zn + Fe{2} = Zn{+2} + Fe
Si + HNO3 + HF = H2SiF6 + NO + H2O =>
3 Si + 4 HNO3 + 18 HF = 3 H2SiF6 + 4 NO + 8 H2O
O2 + C8H18 = H2O + CO2 =>
25 O2 + 2 C8H18 = 18 H2O + 16 CO2
Co(SO4)3 + Na2CO3 = Co(CO3)3 + Na2SO4 =>
Co(SO4)3 + 3 Na2CO3 = Co(CO3)3 + 3 Na2SO4
KNO2 + KI + H2SO4 = I2 + NO + K2SO4 + H2O =>
2 KNO2 + 2 KI + 2 H2SO4 = I2 + 2 NO + 2 K2SO4 + 2 H2O
H2SO4(aq) + H2Na2CO4(s) = Na2SO4(aq) + H2O + CO2(g) =>
H2SO4(aq) + H2Na2CO4(s) = Na2SO4(aq) + 2 H2O + CO2(g)
Cr2O3 + Na2CO3 + KNO3 = Na2CrO4 + CO2 + KNO2 =>
Cr2O3 + 2 Na2CO3 + 3 KNO3 = 2 Na2CrO4 + 2 CO2 + 3 KNO2
K2MnO4 + KBr + H2SO4 = Br2 + K2SO4 + MnSO4 + H2O =>
K2MnO4 + 4 KBr + 4 H2SO4 = 2 Br2 + 3 K2SO4 + MnSO4 + 4 H2O
H2S + KMnO4 + KOH = K2SO4 + K2MnO4 + H2O =>
H2S + 8 KMnO4 + 10 KOH = K2SO4 + 8 K2MnO4 + 6 H2O
AI + HCI = H + AICI =>
AI + HCI = H + AICI
NaBH + H2O = NaOH + H3BO + H2 =>
2 NaBH + 4 H2O = 2 NaOH + 2 H3BO + H2
H2S + BaO = H2SO3 + Ba =>
H2S + 3 BaO = H2SO3 + 3 Ba
Al + NaOH = Al2(NaOH) =>
2 Al + NaOH = Al2(NaOH)
C2H4Cl + Cl2 = C2H3Cl2 + HCl =>
C2H4Cl + Cl2 = C2H3Cl2 + HCl
CH3COOH + Ca(HCO3)2 = (CH3COO)Ca + CO2 + H2O =>
9 CH3COOH + 8 Ca(HCO3)2 = 8(CH3COO)Ca + 18 CO2 + 14 H2O
CH3OH + NO3 = N2 + CO2 + H2O =>
2 CH3OH + 2 NO3 = N2 + 2 CO2 + 4 H2O
MgI2 + KCl = KI + MgCl2 =>
MgI2 + 2 KCl = 2 KI + MgCl2
Cu(NO3)2 + K2S = CuS + K(NO3) =>
Cu(NO3)2 + K2S = CuS + 2 K(NO3)
HCl + CH3COO = CH3COOH + Cl =>
HCl + CH3COO = CH3COOH + Cl
S + NaI = I + NaS =>
S + NaI = I + NaS
Cu(NO3)2 + K2S = CuS + K(NO3) =>
Cu(NO3)2 + K2S = CuS + 2 K(NO3)
Fe(OH)3 = Fe2O3 + (H2O)5 =>
10 Fe(OH)3 = 5 Fe2O3 + 3(H2O)5
PbO + HCl + K2CrO4 = PbCrO4 + H2O + KCl =>
PbO + 2 HCl + K2CrO4 = PbCrO4 + H2O + 2 KCl
ZnSO3 + HCl = ZnCl2 + H2SO3 =>
ZnSO3 + 2 HCl = ZnCl2 + H2SO3
Ca(CH3COO)2 + FeCl3 = CaCl2 + Fe(CH3COO)3 =>
3 Ca(CH3COO)2 + 2 FeCl3 = 3 CaCl2 + 2 Fe(CH3COO)3
Ag + Pb(NO3)2 = Pb + Ag(NO3)4 =>
Ag + 2 Pb(NO3)2 = 2 Pb + Ag(NO3)4
Br2 + ZnCl = BrCl + Zn =>
Br2 + 2 ZnCl = 2 BrCl + 2 Zn
C5H11OH + Al(OH)3 = (C5H11O)3Al + H2O =>
3 C5H11OH + Al(OH)3 = (C5H11O)3Al + 3 H2O
Co + Cl2 + NaOH = CoOH + NaCl =>
2 Co + Cl2 + 2 NaOH = 2 CoOH + 2 NaCl
NaCl + Br(NO3)2 = NaNO3 + BrCl2 =>
2 NaCl + Br(NO3)2 = 2 NaNO3 + BrCl2
NaBr(aq) + KNO3(aq) = NaNO3(aq) + KBr(s) =>
NaBr(aq) + KNO3(aq) = NaNO3(aq) + KBr(s)
P + KClO3 = KCl + P2O5 =>
6 P + 5 KClO3 = 5 KCl + 3 P2O5
NaHSO3 + NaNO2 = NO2HSO3 + Na =>
NaHSO3 + NaNO2 = NO2HSO3 + 2 Na
ZnCl2 + O = ZnO + Cl =>
ZnCl2 + O = ZnO + 2 Cl
Ca + SmF3 = Sm + CaF2 =>
3 Ca + 2 SmF3 = 2 Sm + 3 CaF2
KOH + NaCl = KCl + Na(OH) =>
KOH + NaCl = KCl + Na(OH)
FeS + HCl = Fe + Cl2 + HS =>
2 FeS + 2 HCl = 2 Fe + Cl2 + 2 HS
Li2O + H2SO4 = Li2SO4 + H2O =>
Li2O + H2SO4 = Li2SO4 + H2O
Co3 + FMn2 = Co3Mn2 + F =>
Co3 + FMn2 = Co3Mn2 + F
NH3Cl2 + Pb3NO3 = NH3NO3 + Pb3Cl2 =>
NH3Cl2 + Pb3NO3 = NH3NO3 + Pb3Cl2
B2H6 + NH3 = B2H6N3 + H3 =>
B2H6 + 3 NH3 = B2H6N3 + 3 H3
Cu + CO2 = CuO + CO =>
Cu + CO2 = CuO + CO
K2CrO4 + NaCl + H2O = Cr(OH)3 + KOH + NaOH + Cl2 =>
2 K2CrO4 + 6 NaCl + 8 H2O = 2 Cr(OH)3 + 4 KOH + 6 NaOH + 3 Cl2
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