Équations équilibrées la veille |
Sr + O2 = SrO2
Al + CO32 = Al2O3 + CO2 =>
20 Al + CO32 = 10 Al2O3 + CO2
KNO3 + H2O = K2O + N + OH =>
2 KNO3 + 5 H2O = K2O + 2 N + 10 OH
Pb + K2CrO4 = PbCrO4 + K2 =>
Pb + K2CrO4 = PbCrO4 + K2
HCl + NaBr = HBr + NaCl =>
HCl + NaBr = HBr + NaCl
MCl3O = O2 + MCl3 =>
2 MCl3O = O2 + 2 MCl3
Cl2 + KF = KCl + F2 =>
Cl2 + 2 KF = 2 KCl + F2
Me + HCl = MeCl2 + H2 =>
Me + 2 HCl = MeCl2 + H2
N2H4 + KBrO3 = N2 + KBr + H2O =>
3 N2H4 + 2 KBrO3 = 3 N2 + 2 KBr + 6 H2O
Be(s) + H2O(l) = Be(OH)2 + H2 =>
Be(s) + 2 H2O(l) = Be(OH)2 + H2
BaCl2*2H2O + Na2SO4 = Ba + SO4 + NaCl + H2O =>
BaCl2*2H2O + Na2SO4 = Ba + SO4 + 2 NaCl + 2 H2O
Na2S + Fe(NO3)3 = FeS + Na2(NO3)3 =>
Na2S + Fe(NO3)3 = FeS + Na2(NO3)3
CuS + FeCl2 = FeS + CuCl2 =>
CuS + FeCl2 = FeS + CuCl2
C3H6 + HCl = C3H6Cl2 + H2 =>
C3H6 + 2 HCl = C3H6Cl2 + H2
Fe + Co2 = FeCo6 =>
Fe + 3 Co2 = FeCo6
AgCl + Mg(OH)2 = AgOH + MgCl2 =>
2 AgCl + Mg(OH)2 = 2 AgOH + MgCl2
HCOOH + I2 = HCOOI + H2 =>
2 HCOOH + I2 = 2 HCOOI + H2
HCl + NaBr = HBr + NaCl =>
HCl + NaBr = HBr + NaCl
KOH + NH4HCO3 = KHCO3 + NH4OH =>
KOH + NH4HCO3 = KHCO3 + NH4OH
Mg(CIO4)2 + K2CrO4 = MgCrO4 + KCIO4 =>
Mg(CIO4)2 + K2CrO4 = MgCrO4 + 2 KCIO4
H{+} + Ca{2-} + C2O4{2+} = Ca{2+} + H2C2O4 =>
2 H{+} + Ca{2-} + C2O4{2+} = Ca{2+} + H2C2O4
Na2CO3 + H3O + Cl = NaCl + CO2 + H2O =>
Na2CO3 + 2 H3O + 2 Cl = 2 NaCl + CO2 + 3 H2O
C3H6O + O2 = CO2 + H2O =>
C3H6O + 4 O2 = 3 CO2 + 3 H2O
HNo3 + Fe(OH)3 = Fe(No3)3 + H2O =>
3 HNo3 + Fe(OH)3 = Fe(No3)3 + 3 H2O
FeSO4 = FeO + SO2 + SO32 =>
30 FeSO4 = 30 FeO + 29 SO2 + SO32
ZnCl2 + Au = AuCl2 + Zn =>
ZnCl2 + Au = AuCl2 + Zn
SO2 = O2S =>
SO2 = O2S
Cl2 + CrI3 + KOH = KIO4 + K2CrO4 + KCl + H2O =>
27 Cl2 + 2 CrI3 + 64 KOH = 6 KIO4 + 2 K2CrO4 + 54 KCl + 32 H2O
Fe + I2 = Fe(I2)3 =>
Fe + 3 I2 = Fe(I2)3
K2S + FeCl2 = KCl + FeS =>
K2S + FeCl2 = 2 KCl + FeS
CaCo3 + H2O2 = Co2 + Ca(OH)2 =>
2 CaCo3 + 2 H2O2 = 3 Co2 + 2 Ca(OH)2
Mg + CuO = MgO + Cu =>
Mg + CuO = MgO + Cu
Zn + Ca = ZnCa =>
Zn + Ca = ZnCa
FeCl3 + CH3COONa = (CH3COO)3Fe + NaCl =>
FeCl3 + 3 CH3COONa = (CH3COO)3Fe + 3 NaCl
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
KMnO4 + HBr = KBr + MnBr2 + Br2 + H2O =>
2 KMnO4 + 16 HBr = 2 KBr + 2 MnBr2 + 5 Br2 + 8 H2O
CaCO3 + H2O = CO2 + Ca(OH)2 =>
CaCO3 + H2O = CO2 + Ca(OH)2
Na2HPO4 + Mg(NO3)2 = MgHPO4 + NaNO3 =>
Na2HPO4 + Mg(NO3)2 = MgHPO4 + 2 NaNO3
Br2 + F2 = BrF =>
Br2 + F2 = 2 BrF
FeCl2 + NaSCN = NaCl + Fe(SCN)2 =>
FeCl2 + 2 NaSCN = 2 NaCl + Fe(SCN)2
Mg(OH)2 + Zn = Mg + ZnO + H2O =>
Mg(OH)2 + Zn = Mg + ZnO + H2O
Al2(SO4)3 + Na2SO4 = Na3Al(SO4)3 =>
Al2(SO4)3 + 3 Na2SO4 = 2 Na3Al(SO4)3
P2I3 + P4 + H2O = PH4I + H3PO4 =>
20 P2I3 + 17 P4 + 192 H2O = 60 PH4I + 48 H3PO4
C6H12O6 = C20H30O2 + H2O + CO2 =>
53 C6H12O6 = 12 C20H30O2 + 138 H2O + 78 CO2
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
CHCH + H2O = CH2CHOH =>
CHCH + H2O = CH2CHOH
Ca(NO3)2(aq) + KF(aq) = CaF2 + K(NO3) =>
Ca(NO3)2(aq) + 2 KF(aq) = CaF2 + 2 K(NO3)
FeSO4 = FeO2 + S02 + SO32 =>
32 FeSO4 = 32 FeO2 + 15 S02 + 2 SO32
NaHCO3 + Mg = Na + Mg(HCO3)2 =>
2 NaHCO3 + Mg = 2 Na + Mg(HCO3)2
CH3COOH + C2H5OH = CH3COOC2H2 + H2O =>
7 CH3COOH + C2H5OH = 4 CH3COOC2H2 + 7 H2O
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