Équations équilibrées la veille |
2 H2O2 + 2 K2Cr2O7 + 2 H2SO4 = 3 O2 + 2 K2SO4 + 4 H2CrO3
lead + bromine = PbBr =>
2 Pb + Br2 = 2 PbBr
CaCl2 + Na2CO3 = CaCO3 + NaCl =>
CaCl2 + Na2CO3 = CaCO3 + 2 NaCl
NaCl + AgNO3 + NH3 = NaClAgNO3NH3 =>
NaCl + AgNO3 + NH3 = NaClAgNO3NH3
ZnCl2 + COH = ZnOH + CCl2 =>
ZnCl2 + COH = ZnOH + CCl2
Zn + HNO2 = Zn(NO2)2 + H2 =>
Zn + 2 HNO2 = Zn(NO2)2 + H2
FeCl3 + H2S = FeCl2 + HCl + S2 =>
4 FeCl3 + 2 H2S = 4 FeCl2 + 4 HCl + S2
MnO2 + Sn(OH)4 = Mn(OH)2 + Sn(O2)2 =>
2 MnO2 + Sn(OH)4 = 2 Mn(OH)2 + Sn(O2)2
NH3 + C2H5OH = N(C2H5)3 + H2O =>
NH3 + 3 C2H5OH = N(C2H5)3 + 3 H2O
NaOH + HCl3 = H2O + NaCl3 =>
NaOH + HCl3 = H2O + NaCl3
Al + KBrO3 + KOH = KAlO2 + KBr + H2O =>
2 Al + KBrO3 + 2 KOH = 2 KAlO2 + KBr + H2O
H2B2O + H2O = HBO2 + H2 =>
H2B2O + 3 H2O = 2 HBO2 + 3 H2
NaOH + HSO = NaSO + H2O =>
NaOH + HSO = NaSO + H2O
I2 = I5 =>
5 I2 = 2 I5
NaNO2 + KMnO4 + H2SO4 = NO2 + K2S + Na2SO4 + MnSO4 + H2OO =>
6 NaNO2 + 2 KMnO4 + 6 H2SO4 = 6 NO2 + K2S + 3 Na2SO4 + 2 MnSO4 + 6 H2OO
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Zn + HNO2 = ZnNO2 + H =>
Zn + HNO2 = ZnNO2 + H
NaHCO3 + HC2H3O2 = H2CO3 + NaC2H3O2 =>
NaHCO3 + HC2H3O2 = H2CO3 + NaC2H3O2
CaSO4*H2O + BaCl = BaSO4 + CaCl + H2O =>
CaSO4*H2O + BaCl = BaSO4 + CaCl + H2O
AgNO3 + Na2S = NaNO3 + Ag + S =>
2 AgNO3 + Na2S = 2 NaNO3 + 2 Ag + S
NaOH + HC2H3O2 = H2O + Na(C2H3O2) =>
NaOH + HC2H3O2 = H2O + Na(C2H3O2)
C2H5Cl + KOH = KCl + C2H4 + H2O =>
C2H5Cl + KOH = KCl + C2H4 + H2O
C6H15O6N + O2 = CO2 + H2O + NO2 =>
4 C6H15O6N + 31 O2 = 24 CO2 + 30 H2O + 4 NO2
H2 + F2 = HF = {-}537kj =>
H2 + F2 = 2 HF
KI + O3 + H2O = I2 + KOH = O2 =>
6 KI + O3 + 3 H2O = 3 I2 + 6 KOH
Zn + HNO2 = Zn(NO2)2 + NO + H2O =>
Zn + 4 HNO2 = Zn(NO2)2 + 2 NO + 2 H2O
Co(OH)3 + Na2CO3 = CoCO3 + Na2(OH)3 =>
Co(OH)3 + Na2CO3 = CoCO3 + Na2(OH)3
Cu2 + HCl + O2 = CuCl + H2O =>
2 Cu2 + 4 HCl + O2 = 4 CuCl + 2 H2O
P + F = PF5 =>
P + 5 F = PF5
CaCO3 + SiO2 = CaSiO3 + CO2 =>
CaCO3 + SiO2 = CaSiO3 + CO2
Zn + HNO2 = Zn(NO3)2 + N2O + H2O =>
2 Zn + 10 HNO2 = 2 Zn(NO3)2 + 3 N2O + 5 H2O
VClO3 = VCl + O2 =>
2 VClO3 = 2 VCl + 3 O2
MgH2SO4 = MgSO4H2 =>
MgH2SO4 = MgSO4H2
Ca(NO3)2 + Cu2SO4 = CaSO4 + CuNO3 =>
Ca(NO3)2 + Cu2SO4 = CaSO4 + 2 CuNO3
Ru2O3 + NaOH = NaRuO2 + H2O =>
Ru2O3 + 2 NaOH = 2 NaRuO2 + H2O
LiCl + K3PO4 = KCl + Li3PO4 =>
3 LiCl + K3PO4 = 3 KCl + Li3PO4
CH3CH(OH)COOH + PCl5 = CH3CClHCOCl + H3PO4 + HCl =>
2 CH3CH(OH)COOH + PCl5 = 2 CH3CClHCOCl + H3PO4 + HCl
CaO(aq) + HCl(aq) = CaCl2(aq) + H2O(l) =>
CaO(aq) + 2 HCl(aq) = CaCl2(aq) + H2O(l)
C2H4 + H2 = C2H12 =>
C2H4 + 4 H2 = C2H12
P + F = P3F =>
3 P + F = P3F
Na2O + H2 = Na + OH =>
2 Na2O + H2 = 4 Na + 2 OH
Ca(HSO3)2 = CaO + SO2 + H2O =>
Ca(HSO3)2 = CaO + 2 SO2 + H2O
Zn + HNO2 = Zn(NO2)2 + H =>
Zn + 2 HNO2 = Zn(NO2)2 + 2 H
C4H6Br2 + H2 = C4H8Br2 =>
C4H6Br2 + H2 = C4H8Br2
Co(OH)3 + Na2CO3 = CoCO3 + Na2(OH)3 =>
Co(OH)3 + Na2CO3 = CoCO3 + Na2(OH)3
SiO2 + BaSO4 + S2 + H2O = BaSi2 + H2SO4 =>
12 SiO2 + 6 BaSO4 + 5 S2 + 16 H2O = 6 BaSi2 + 16 H2SO4
Co(OH)3 + Na2CO3 = CoCO3 + Na2(OH)3 =>
Co(OH)3 + Na2CO3 = CoCO3 + Na2(OH)3
CaSO4 + C = CaSO3 + CO =>
CaSO4 + C = CaSO3 + CO
P + H2SO4 = H3PO4 + SO2 + H2O =>
2 P + 5 H2SO4 = 2 H3PO4 + 5 SO2 + 2 H2O
CuFeS2 + H2SO4 = CuSO4 + FeSO4 + H2S =>
CuFeS2 + 2 H2SO4 = CuSO4 + FeSO4 + 2 H2S
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