Équations équilibrées la veille |
SiO2 + K2O = K2SiO3
Pb + AuF = Au + PbF =>
Pb + AuF = Au + PbF
CoC2O4 + O2 = Co2O3 + CO2 =>
4 CoC2O4 + 3 O2 = 2 Co2O3 + 8 CO2
N + Cl2 = N2Cl3 =>
4 N + 3 Cl2 = 2 N2Cl3
CuBr + Cl2 = CuCl + Br2 =>
2 CuBr + Cl2 = 2 CuCl + Br2
K2Cr2O7 + H2O + Na2SO3 = Na2SO4 + KOH + Cr(OH)3 =>
K2Cr2O7 + 4 H2O + 3 Na2SO3 = 3 Na2SO4 + 2 KOH + 2 Cr(OH)3
C2H6H2SO4 = C2H5SO3HH2O =>
C2H6H2SO4 = C2H5SO3HH2O
Fe8 + O2 = FeO2 =>
Fe8 + 8 O2 = 8 FeO2
LiHCO3HNO3 = Li(NO3)H(HCO3) =>
LiHCO3HNO3 = Li(NO3)H(HCO3)
Sn2Cl2 + HgCl2 = SnCl4 + Hg2Cl2 =>
Sn2Cl2 + 6 HgCl2 = 2 SnCl4 + 3 Hg2Cl2
Y2O7 + H2O = HYO4 =>
Y2O7 + H2O = 2 HYO4
Cr2O7 + H2O = Cr2O3 + OH =>
Cr2O7 + 4 H2O = Cr2O3 + 8 OH
Fe + Pb(No3)2 = Fe(No3)3 + Pb =>
2 Fe + 3 Pb(No3)2 = 2 Fe(No3)3 + 3 Pb
Ca + H2 = Ca3H2 =>
3 Ca + H2 = Ca3H2
Ba(NO3)2 + Na2SO4 = BaSO4 + NaNO3 =>
Ba(NO3)2 + Na2SO4 = BaSO4 + 2 NaNO3
Cu + HCl = CuCl2 + H2 =>
Cu + 2 HCl = CuCl2 + H2
CaC2 + HBr = CaBr2 + C2H2 =>
CaC2 + 2 HBr = CaBr2 + C2H2
CO9(g) + H2(g) = C8H18(l) + H2O =>
8 CO9(g) + 81 H2(g) = C8H18(l) + 72 H2O
Cu2S + CuO = Cu + SO2 =>
Cu2S + 2 CuO = 4 Cu + SO2
K2SiO3 + HCl = KCl + H2SiO3 =>
K2SiO3 + 2 HCl = 2 KCl + H2SiO3
HCl + Na2CO3 = CO2 + H2O + NaCl =>
2 HCl + Na2CO3 = CO2 + H2O + 2 NaCl
Li + CuCl = LiCl + Cu =>
Li + CuCl = LiCl + Cu
MnO4{-} + OH{-} = MnO4{-2} + HOH + O2 =>
4 MnO4{-} + 4 OH{-} = 4 MnO4{-2} + 2 HOH + O2
C2H4(ethylene) + H2 = C2H6 =>
C2H4(ethylene) + H2 = C2H6
C7H13Br3 + Br2 = C7H12Br4 + HBr =>
C7H13Br3 + Br2 = C7H12Br4 + HBr
BaSO3(aq) + HBr(aq) = BaBr2(aq) + SO2(g) + H2O(l) =>
BaSO3(aq) + 2 HBr(aq) = BaBr2(aq) + SO2(g) + H2O(l)
Mg(NO3)2 + K2CO3 = KNO3 + MgCO3 =>
Mg(NO3)2 + K2CO3 = 2 KNO3 + MgCO3
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
Be(OH)2 + O2 = BeO2 + H2O =>
2 Be(OH)2 + O2 = 2 BeO2 + 2 H2O
OH{-} + Br2 = BrO3{-} + Br{-} + H2O =>
6 OH{-} + 3 Br2 = BrO3{-} + 5 Br{-} + 3 H2O
C6H5C2H4ClKOH = C6H5C2H4OHKCl =>
C6H5C2H4ClKOH = C6H5C2H4OHKCl
WS3PdS = WS2PdS2 =>
WS3PdS = WS2PdS2
I2 + Cl2 + H2O = HIO3 + HCl =>
I2 + 5 Cl2 + 6 H2O = 2 HIO3 + 10 HCl
Mg + Cl = MgCl2 =>
Mg + 2 Cl = MgCl2
Mg3P2 + H2 = MgH2 + P4 =>
2 Mg3P2 + 6 H2 = 6 MgH2 + P4
Co = Co3 =>
3 Co = Co3
Br2 + CH4 = CH3Br + HBr =>
Br2 + CH4 = CH3Br + HBr
CuSO4 + KSCN = K2SO4 + K2(Cu(SCN)4) =>
CuSO4 + 4 KSCN = K2SO4 + K2(Cu(SCN)4)
NH3 + HCl = NH4Cl =>
NH3 + HCl = NH4Cl
H2SiO3 = SiO2 + H2O =>
H2SiO3 = SiO2 + H2O
Na2CO3(aq) + S(s) + SO2(g) = CO2(g) + Na2S2O3(aq) =>
Na2CO3(aq) + S(s) + SO2(g) = CO2(g) + Na2S2O3(aq)
C4H8OH2 = C4H10O =>
C4H8OH2 = C4H10O
CaS + HCl = CaCl2 + H2S =>
CaS + 2 HCl = CaCl2 + H2S
KI + Br2 = K + Br(I)2 =>
4 KI + Br2 = 4 K + 2 Br(I)2
Fe = Fe(oh)2 =>
2 Fe = Fe(oh)2
Cu + S = Cu2S =>
2 Cu + S = Cu2S
Na2SO4 + BaCl2 = BaSO4 + NaCl =>
Na2SO4 + BaCl2 = BaSO4 + 2 NaCl
C2H5NH2 + C2H5Br = C4H9NH3Br =>
C2H5NH2 + C2H5Br = C4H9NH3Br
KI(aq) + Pb(NO3)2(l) = PbI2(s) + KNO3(s) =>
2 KI(aq) + Pb(NO3)2(l) = PbI2(s) + 2 KNO3(s)
KNO3 + H3PO4 = HNO3 + K3PO4 =>
3 KNO3 + H3PO4 = 3 HNO3 + K3PO4
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