Équations équilibrées la veille |
4 Na2Cr2O7 + 28 HNO3 + 7 CH3OH = 8 Cr(NO3)3 + 4 Na2NO3 + 7 CHOOH + 21 H2O
C6H6O + O7 = CO2 + H2O =>
C6H6O + 2 O7 = 6 CO2 + 3 H2O
Tl + Br2 = TlBr =>
2 Tl + Br2 = 2 TlBr
KIO4 + MnSO4 + H2O = MnO4{-} + IO3{-} + H{+} + SO4{2-} + K{+) =>
5 KIO4 + 2 MnSO4 + 3 H2O = 2 MnO4{-} + 5 IO3{-} + 6 H{+} + 2 SO4{2-} + 5 K{+)
Zn + K[Au(CN)2] = K2[Zn(CN)4] + Au =>
Zn + 2 K[Au(CN)2] = K2[Zn(CN)4] + 2 Au
CH3OH + HCl + ZnCl2 = CH3CH2CH2CH2ClCl2 + Zn + H2O =>
4 CH3OH + HCl + ZnCl2 = CH3CH2CH2CH2ClCl2 + Zn + 4 H2O
NH3 + CUO = N2 + CUH2O =>
2 NH3 + 3 CUO = N2 + 3 CUH2O
N2O + H2 = H2O + N2 =>
N2O + H2 = H2O + N2
K2Cr2O7 + H2SO4 + C2H6O = C2H4O2 + Cr2(SO4)3 + H2O + K2SO4 =>
2 K2Cr2O7 + 8 H2SO4 + 3 C2H6O = 3 C2H4O2 + 2 Cr2(SO4)3 + 11 H2O + 2 K2SO4
P20 + Cl2 = PCl3 =>
P20 + 30 Cl2 = 20 PCl3
Na2CO3 = Na2O + CO2 =>
Na2CO3 = Na2O + CO2
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
H2SO4 + Ca(OH)2 = CaSO4 + (H2O) =>
H2SO4 + Ca(OH)2 = CaSO4 + 2(H2O)
KMnO4 + Na2C2O4 + HCl = MnCl2 + CO2 + H2O + KCl + NaCl =>
2 KMnO4 + 5 Na2C2O4 + 16 HCl = 2 MnCl2 + 10 CO2 + 8 H2O + 2 KCl + 10 NaCl
Al2O3 + HCl = Al + Cl2 + H2O =>
Al2O3 + 6 HCl = 2 Al + 3 Cl2 + 3 H2O
Ca(HCO3)2 + Na3PO4 = Ca3(PO4)2 + Na2CO3 + CO2 + H2O =>
3 Ca(HCO3)2 + 2 Na3PO4 = Ca3(PO4)2 + 3 Na2CO3 + 3 CO2 + 3 H2O
Co(NO3)2 + KNO2 + H2SO4 = K3[Co(NO2)6] + KNO3 + K2SO4 + H2O =>
2 Co(NO3)2 + 11 KNO2 + H2SO4 = 2 K3[Co(NO2)6] + 3 KNO3 + K2SO4 + H2O
NH3 + NaMnO4 + H2SO4 = NaHSO4 + MnSO4 + NH3NO4 + H2O =>
10 NH3 + 11 NaMnO4 + 22 H2SO4 = 11 NaHSO4 + 11 MnSO4 + 5 NH3NO4 + 24 H2O
NH4 + O2 = NO2 + H2O =>
NH4 + 2 O2 = NO2 + 2 H2O
H2S + NaOH + Fe = Fe2S3 + Na + H2O =>
3 H2S + 6 NaOH + 2 Fe = Fe2S3 + 6 Na + 6 H2O
SiO2 + NaHCO3 = NaHO2 + Si(CO3) =>
SiO2 + NaHCO3 = NaHO2 + Si(CO3)
CaAl5(Si4O10)3(OH)6 + Na2CO3 = CaCO3 + Na2Al5(Si4O10)3(OH)6 =>
CaAl5(Si4O10)3(OH)6 + Na2CO3 = CaCO3 + Na2Al5(Si4O10)3(OH)6
NaNO2 + H2SO4 = Na2SO4 + NO + H2O + NaNO3 =>
3 NaNO2 + H2SO4 = Na2SO4 + 2 NO + H2O + NaNO3
Cu513 + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu513 + 2052 HNO3 = 513 Cu(NO3)2 + 1026 NO2 + 1026 H2O
Li2O + NaOH = LiOH + Na2O =>
Li2O + 2 NaOH = 2 LiOH + Na2O
LiO + H2O = H2 + LiO2 =>
LiO + H2O = H2 + LiO2
CuS + O2 = CuO + S8O2 =>
8 CuS + 5 O2 = 8 CuO + S8O2
NaSiO3 + H3PO4 = PO4 + SiO2 + NaOH =>
3 NaSiO3 + H3PO4 = PO4 + 3 SiO2 + 3 NaOH
SnCl2*2H2O + NH4OH = SnO2 + NH4Cl + H2O + H2 =>
SnCl2*2H2O + 2 NH4OH = SnO2 + 2 NH4Cl + 2 H2O + H2
CaCl2(aq) + NaC18H33O2(aq) = CaC18H33O2(aq) + NaCl2(aq) =>
CaCl2(aq) + NaC18H33O2(aq) = CaC18H33O2(aq) + NaCl2(aq)
H2SeO3 + H2S = Se8 + S8 + H2O =>
8 H2SeO3 + 16 H2S = Se8 + 2 S8 + 24 H2O
Mn(NO3)2 + HNO3 + NaBiO3 = NaMnO4 + NaNO3 + H2O + Bi(NO3)2 =>
3 Mn(NO3)2 + 6 HNO3 + 5 NaBiO3 = 3 NaMnO4 + 2 NaNO3 + 3 H2O + 5 Bi(NO3)2
[Fe(CN)6]{3-} + Cr{3+} + OH{-} = [Fe(CN)6]{4-} + CrO4{-} + H2O =>
4[Fe(CN)6]{3-} + Cr{3+} + 8 OH{-} = 4[Fe(CN)6]{4-} + CrO4{-} + 4 H2O
CH3COONa + H2O = C2H6 + NaOH + CO2 =>
7 CH3COONa + 5 H2O = 4 C2H6 + 7 NaOH + 6 CO2
MnCl2 + Ca(OH)2 = MnOHCl + CaCl2 =>
2 MnCl2 + Ca(OH)2 = 2 MnOHCl + CaCl2
CuSO4*H2O = CuSO4 + H2O =>
CuSO4*H2O = CuSO4 + H2O
C4H8N2O2 + Pb(NO3)2 = PbN2O2 + C4H8(NO3)2 =>
C4H8N2O2 + Pb(NO3)2 = PbN2O2 + C4H8(NO3)2
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
P4(s) + P2I4(s) + H2O(l) = H3PO4(aq) + PH4I(s) =>
13 P4(s) + 10 P2I4(s) + 128 H2O(l) = 32 H3PO4(aq) + 40 PH4I(s)
H2(g) + Ag(NO3)(aq) = Ag(s) + HNO3(aq) =>
H2(g) + 2 Ag(NO3)(aq) = 2 Ag(s) + 2 HNO3(aq)
C3H3Ag + HCl = C3H4AgCl =>
C3H3Ag + HCl = C3H4AgCl
CH3NHNH2 + N2O4 = N2 + H2O + CO2 =>
4 CH3NHNH2 + 5 N2O4 = 9 N2 + 12 H2O + 4 CO2
H2O = H + O =>
H2O = 2 H + O
Ca(H2PO4)2 + NH3 + Ca(NO3)2 = CaHPO4 + NH4NO3 =>
Ca(H2PO4)2 + 2 NH3 + Ca(NO3)2 = 2 CaHPO4 + 2 NH4NO3
K2Cr2O7 + H2SO4 + Na2S = Cr2(SO4)3 + H2O + K2SO4 + Na2SO4 =>
4 K2Cr2O7 + 16 H2SO4 + 3 Na2S = 4 Cr2(SO4)3 + 16 H2O + 4 K2SO4 + 3 Na2SO4
CrO2{-} + ClO{-} = CrO4{-} + Cl{-} =>
CrO2{-} + 2 ClO{-} = CrO4{-} + 2 Cl{-}
NH2CH2COOH + CaCO3 = (NH2CH2COO)2Ca + H2O + CO2 =>
2 NH2CH2COOH + CaCO3 = (NH2CH2COO)2Ca + H2O + CO2
C4H10 + CaC2 = CaH2 + C2H4 =>
3 C4H10 + CaC2 = CaH2 + 7 C2H4
(NH4)2SO4 + NaOH = Na2SO4 + NH3H2O =>
(NH4)2SO4 + 2 NaOH = Na2SO4 + 2 NH3H2O
AlI3 + NH3 + H2O = Al(OH)3 + NH4I =>
AlI3 + 3 NH3 + 3 H2O = Al(OH)3 + 3 NH4I
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