Équations équilibrées la veille |
2 NH5C2O2 + 3 O2 = 2 NH3 + 4 CO2 + 2 H2O
N2H4(g) + NO2(g) = N2(g) + H2O(g) =>
2 N2H4(g) + 2 NO2(g) = 3 N2(g) + 4 H2O(g)
H3PO4 + NaBH4 + HCl = BP + NaCl + H2O =>
H3PO4 + NaBH4 + HCl = BP + NaCl + 4 H2O
HClO3 + Sr(OH)2 = Sr(ClO3)2 + H2O =>
2 HClO3 + Sr(OH)2 = Sr(ClO3)2 + 2 H2O
VF5 = V + F2 =>
2 VF5 = 2 V + 5 F2
Sr(OH)2 + Na2HPO4 = Sr3(PO4)2 + NaOH + H2O =>
3 Sr(OH)2 + 2 Na2HPO4 = Sr3(PO4)2 + 4 NaOH + 2 H2O
K3[Cr(OH)6] + H2S = KHS + Cr(OH)3 + H2O =>
K3[Cr(OH)6] + 3 H2S = 3 KHS + Cr(OH)3 + 3 H2O
HNO3(aq) + KOH = KNO3 + H2O =>
HNO3(aq) + KOH = KNO3 + H2O
Na2CO3 + H2O = H2CO3 + NaOH =>
Na2CO3 + 2 H2O = H2CO3 + 2 NaOH
HIO4 = I2O7 + H2O =>
2 HIO4 = I2O7 + H2O
Cl + KOH = KCl + KClO3 + H2O =>
6 Cl + 6 KOH = 5 KCl + KClO3 + 3 H2O
CrSO3 + H2SO4 = CrSO4 + H2SO3 =>
CrSO3 + H2SO4 = CrSO4 + H2SO3
Rb + Fe2O3 = RbO + Fe =>
3 Rb + Fe2O3 = 3 RbO + 2 Fe
TiCl4 + NH3 = TiN + HCl + N2 =>
6 TiCl4 + 8 NH3 = 6 TiN + 24 HCl + N2
Na(OH) + H(SO4) = Na(SO4) + H2O =>
Na(OH) + H(SO4) = Na(SO4) + H2O
CsOH + Al2(SO4)3 = Al(OH)3 + Cs2SO4 =>
6 CsOH + Al2(SO4)3 = 2 Al(OH)3 + 3 Cs2SO4
Sn(CO3)2 + HClO3 = Sn(ClO3)4 + H2CO3 =>
Sn(CO3)2 + 4 HClO3 = Sn(ClO3)4 + 2 H2CO3
HClO4 + Co = CoClO4 + H2 =>
2 HClO4 + 2 Co = 2 CoClO4 + H2
CuO + CO = CO2 + Cu =>
CuO + CO = CO2 + Cu
W + NaOH + O2 = Na2WO4 + H2O =>
2 W + 4 NaOH + 3 O2 = 2 Na2WO4 + 2 H2O
(NH4)2SO4(aq) + KOH = K2SO4 + NH3 + H2O =>
(NH4)2SO4(aq) + 2 KOH = K2SO4 + 2 NH3 + 2 H2O
CO + H2O + NO = C2H4N2O + O2 =>
4 CO + 4 H2O + 4 NO = 2 C2H4N2O + 5 O2
Ba + HNO2 = Ba(NO2)2 + H2 =>
Ba + 2 HNO2 = Ba(NO2)2 + H2
Li2CO3 + IrO2 = Li2IrO3 + CO2 =>
Li2CO3 + IrO2 = Li2IrO3 + CO2
Mg + CH4 = MgCH4 =>
Mg + CH4 = MgCH4
S + Ca(OH)2 = CaSO4 + CaS + H2O =>
4 S + 4 Ca(OH)2 = CaSO4 + 3 CaS + 4 H2O
C6H5(CH3)2 + KMnO4 + H2SO4 = C6H5(COOH)2 + MnSO4 + K2SO4 + H2O =>
5 C6H5(CH3)2 + 12 KMnO4 + 18 H2SO4 = 5 C6H5(COOH)2 + 12 MnSO4 + 6 K2SO4 + 28 H2O
SPb + O2 = SO2 + PbO =>
2 SPb + 3 O2 = 2 SO2 + 2 PbO
Cu + Se = CuSe2 =>
Cu + 2 Se = CuSe2
(NH4)2SO4(aq) + KOH = K2SO4 + NH3 + H2O =>
(NH4)2SO4(aq) + 2 KOH = K2SO4 + 2 NH3 + 2 H2O
K2SO4 + Ag(NO3)2 = Ag(SO4) + KNO3 =>
K2SO4 + Ag(NO3)2 = Ag(SO4) + 2 KNO3
AgI + HCl = AgCl + HI =>
AgI + HCl = AgCl + HI
K2S + Al(NO3)3 = KNO3 + Al2S3 =>
3 K2S + 2 Al(NO3)3 = 6 KNO3 + Al2S3
K3PO4 + HF = KF + H3PO4 =>
K3PO4 + 3 HF = 3 KF + H3PO4
FeO + K = FeOK =>
FeO + K = FeOK
Cu + KCN + H2O = K3(Cu(CN)4) + KOH + H2 =>
2 Cu + 8 KCN + 2 H2O = 2 K3(Cu(CN)4) + 2 KOH + H2
Co + KSCN + NaF = [Co(SCN)4] + KF + Na =>
Co + 4 KSCN + 4 NaF = [Co(SCN)4] + 4 KF + 4 Na
K(OH) + Cu(SO4) = K2(SO4) + Cu(OH)2 =>
2 K(OH) + Cu(SO4) = K2(SO4) + Cu(OH)2
KMnO4 + KOH = K2MnO4 + H2O + O2 =>
4 KMnO4 + 4 KOH = 4 K2MnO4 + 2 H2O + O2
PbO2 + C2 = CO + Pb =>
PbO2 + C2 = 2 CO + Pb
HCOONH4 = HCOO + NH4 =>
HCOONH4 = HCOO + NH4
NaOH(aq)(aq) + Mg(NO3)(aq) = Na(NO3)(aq) + MgOH(aq) =>
NaOH(aq)(aq) + Mg(NO3)(aq) = Na(NO3)(aq) + MgOH(aq)
CaTiO3 + H2O = TiO2 + Ca(OH)2 =>
CaTiO3 + H2O = TiO2 + Ca(OH)2
CuSO4H2O + NaOH = Cu(OH)2 + Na2SO4 + H2O =>
CuSO4H2O + 2 NaOH = Cu(OH)2 + Na2SO4 + H2O
KNO2 + PbO2 + HNO3 = KNO3 + Pb(NO3)2 + H2O =>
KNO2 + PbO2 + 2 HNO3 = KNO3 + Pb(NO3)2 + H2O
CuCl2 + (NH4)3(PO4) = Cu3(PO4)2 + (NH4)Cl =>
3 CuCl2 + 2(NH4)3(PO4) = Cu3(PO4)2 + 6(NH4)Cl
AgNO3 + MgSO4 = Ag2SO4 + Mg(NO3)2 =>
2 AgNO3 + MgSO4 = Ag2SO4 + Mg(NO3)2
CuSO4 + K3PO4 = CuPO4 + SO4K3 =>
CuSO4 + K3PO4 = CuPO4 + SO4K3
Na2SiF6 + H2O = SiO4H + Na + H + F =>
Na2SiF6 + 4 H2O = SiO4H + 2 Na + 7 H + 6 F
Cu(NO3)2(aq) + NaHCO3(aq) = Cu(HCO3)2(s) + NaNO3(aq) =>
Cu(NO3)2(aq) + 2 NaHCO3(aq) = Cu(HCO3)2(s) + 2 NaNO3(aq)
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