Équations équilibrées la veille |
2 NaHCO3 + Ca(NO3)2 = Ca(HCO3)2 + 2 NaNO3
ZnO + H2S = ZnS + H2O =>
ZnO + H2S = ZnS + H2O
Zn + KOH + H2O = [Zn(OH)4]K2 + H2 =>
Zn + 2 KOH + 2 H2O = [Zn(OH)4]K2 + H2
Cu + CO2 = CuO + C =>
2 Cu + CO2 = 2 CuO + C
As2S3 + Mn(NO3)2 + K2CO3 = K3AsO4 + K2SO4 + K2MnO4 + NO + CO2 =>
As2S3 + 14 Mn(NO3)2 + 20 K2CO3 = 2 K3AsO4 + 3 K2SO4 + 14 K2MnO4 + 28 NO + 20 CO2
N2O5 + Zn = NO + Zn(NO3)2 =>
4 N2O5 + 3 Zn = 2 NO + 3 Zn(NO3)2
CuI + F2 = CuF + I2 =>
2 CuI + F2 = 2 CuF + I2
CH3COOH(aq) + Ba(OH)2(aq) = Ba(CH3COO)2(s) + H2O(l) =>
2 CH3COOH(aq) + Ba(OH)2(aq) = Ba(CH3COO)2(s) + 2 H2O(l)
Cr + HCl + Zn = CrCl + ZnH =>
Cr + HCl + Zn = CrCl + ZnH
H3PO4BaCl = BaPO4H3Cl =>
H3PO4BaCl = BaPO4H3Cl
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C3H7NO2S + O2 = CO2 + NH3 + H2O + SO2 =>
C3H7NO2S + 4 O2 = 3 CO2 + NH3 + 2 H2O + SO2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
H2(g)Cl2(g) = HCl(ag) =>
H2(g)Cl2(g) = 2 HCl(ag)
CH4O + C4H6O2 = C5H10O2 + H2O =>
7 CH4O + 2 C4H6O2 = 3 C5H10O2 + 5 H2O
H2SO4 + NaNO2 = HNO2 + Na2SO4 =>
H2SO4 + 2 NaNO2 = 2 HNO2 + Na2SO4
Br2 + C6H12 = HBr + C =>
6 Br2 + C6H12 = 12 HBr + 6 C
Hg(NO3)2 + H2S = Hg2S2 + HNO3 =>
2 Hg(NO3)2 + 2 H2S = Hg2S2 + 4 HNO3
Au2O3 = Au + O2Au2O3 = Au + O2 =>
5 Au2O3 = 4 Au + 3 O2Au2O3
C2H60O + O2 = CO2 + H2O =>
2 C2H60O + 33 O2 = 4 CO2 + 60 H2O
CuSO4 + KI = CuI + I2 + K2SO4 =>
2 CuSO4 + 4 KI = 2 CuI + I2 + 2 K2SO4
K2Cr2O7 + H2S + HCl = CrCl3 + S + KH + H2O =>
K2Cr2O7 + 5 H2S + 6 HCl = 2 CrCl3 + 5 S + 2 KH + 7 H2O
HCOO{-} + H{+} = HCOOH =>
HCOO{-} + H{+} = HCOOH
FeBr2(aq) + (NH4)2CO3(aq) = FeCO3(s) + NH4Br(aq) =>
FeBr2(aq) + (NH4)2CO3(aq) = FeCO3(s) + 2 NH4Br(aq)
CH4 + CuO = CO2 + H2O + Cu =>
CH4 + 4 CuO = CO2 + 2 H2O + 4 Cu
P3N5 + P2O5 = PON =>
P3N5 + P2O5 = 5 PON
Na2SO4K3PO4 = K3SO4Na2PO4 =>
Na2SO4K3PO4 = K3SO4Na2PO4
Mn + HCl = MnCl2 + H2 =>
Mn + 2 HCl = MnCl2 + H2
HUO3 + HI = HU + H2O + I2 =>
HUO3 + 6 HI = HU + 3 H2O + 3 I2
CO(H2)2 = CH3OH =>
CO(H2)2 = CH3OH
AgI + Fe2(CO3)3 = FeI3 + Ag2CO3 =>
6 AgI + Fe2(CO3)3 = 2 FeI3 + 3 Ag2CO3
HCOO{-} + H{+} = HCOOH =>
HCOO{-} + H{+} = HCOOH
K + H2SO4 = K2SO4 + H =>
2 K + H2SO4 = K2SO4 + 2 H
Na + H2SO4 = Na2SO4 + H2S + H2O =>
8 Na + 5 H2SO4 = 4 Na2SO4 + H2S + 4 H2O
C10H25O + O2 = CO2 + H2O =>
4 C10H25O + 63 O2 = 40 CO2 + 50 H2O
S + H2SO4 = SO2 + H2O =>
S + 2 H2SO4 = 3 SO2 + 2 H2O
CuI + F2 = CuF + I2 =>
2 CuI + F2 = 2 CuF + I2
Mn(OH)2 + H2O2 = MnO(OH)2 + H2O =>
Mn(OH)2 + H2O2 = MnO(OH)2 + H2O
S + HNO3 = H2SO4 + NO2 + H2O0 =>
S + 6 HNO3 = H2SO4 + 6 NO2 + 2 H2O0
Mg(CH2COO)2 + H2O = Mg + CH3COOH + OH =>
Mg(CH2COO)2 + 4 H2O = Mg + 2 CH3COOH + 4 OH
KC2H5O2 + O2 = CO2 + H2O + KH3 =>
2 KC2H5O2 + 3 O2 = 4 CO2 + 2 H2O + 2 KH3
BiI3KI = K[BiI4] =>
BiI3KI = K[BiI4]
Li3N + NH3 = Li2NH =>
2 Li3N + NH3 = 3 Li2NH
BaCl2(aq) + Na2(CO3)(aq) = Ba(CO3)(aq) + NaCl(aq) =>
BaCl2(aq) + Na2(CO3)(aq) = Ba(CO3)(aq) + 2 NaCl(aq)
H2SbF7 + NH4 + CO3 = NH4SbF7 + CO2 + H2O =>
H2SbF7 + NH4 + CO3 = NH4SbF7 + CO2 + H2O
CaHPO4*2H2 = CaHPO4 + H2 =>
CaHPO4*2H2 = CaHPO4 + 2 H2
NaCl + H2S = NaHS + HCl =>
NaCl + H2S = NaHS + HCl
Fe2O3 + HClO4 = Fe2O4 + HClO3 =>
Fe2O3 + HClO4 = Fe2O4 + HClO3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
NH4OH + CuNO3 = (NH4)2NO3 + Cu(OH)2 =>
2 NH4OH + CuNO3 = (NH4)2NO3 + Cu(OH)2
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