Équations équilibrées la veille |
Cd3(PO4)2 + (NH4)2S = Cd3S + (PO4)2(NH4)2
KNO3 + C12H22O12 = CO2 + H2O + K2O + N2O =>
46 KNO3 + 4 C12H22O12 = 48 CO2 + 44 H2O + 23 K2O + 23 N2O
K(s) + Zn(NO3)(aq) = Zn(s) + KNO3(aq) =>
K(s) + Zn(NO3)(aq) = Zn(s) + KNO3(aq)
CH2CH2 + Br2 = BrCH2CH2Br =>
CH2CH2 + Br2 = BrCH2CH2Br
PbS + NaCl + KOH = Pb + KClOH + Na2S =>
PbS + 2 NaCl + 2 KOH = Pb + 2 KClOH + Na2S
C2H2 + H2 + Br = C2H4Br2 =>
C2H2 + H2 + 2 Br = C2H4Br2
CH3COOH + NH4Br = CH3Br + NH4COOH =>
CH3COOH + NH4Br = CH3Br + NH4COOH
Ba(NO3)2 + NaS = BaS + Na(NO3)2 =>
Ba(NO3)2 + NaS = BaS + Na(NO3)2
C2H5OH + NaHCO3 = CH3COONa + H2O + CO2 =>
2 C2H5OH + 3 NaHCO3 = 3 CH3COONa + 3 H2O + CO2
Y(NO3)3 + Al(NO3)3 + CON2H4 = Y3Al5O12 + CO2 + H2O + N2 =>
3 Y(NO3)3 + 5 Al(NO3)3 + 20 CON2H4 = Y3Al5O12 + 20 CO2 + 40 H2O + 32 N2
K2Cr2O7 + H2O = K2O + H2Cr2O7 =>
K2Cr2O7 + H2O = K2O + H2Cr2O7
P2O5 + N2 = P + N2O =>
P2O5 + 5 N2 = 2 P + 5 N2O
Zn + NiSO4 + H2O = ZnSO4 + NiO + H2 =>
Zn + NiSO4 + H2O = ZnSO4 + NiO + H2
Ti + Se = Ti3Se =>
3 Ti + Se = Ti3Se
NH2OH + H2O + Fe(OH)2 = Fe(OH)3 + NH3 =>
NH2OH + H2O + 2 Fe(OH)2 = 2 Fe(OH)3 + NH3
ZnSiO3 + H2O = Zn(OH)2 + SiO2 =>
ZnSiO3 + H2O = Zn(OH)2 + SiO2
U(SO4)2 + K4[Fe(CN)6] = U[Fe(CN)6] + K2SO4 =>
U(SO4)2 + K4[Fe(CN)6] = U[Fe(CN)6] + 2 K2SO4
Cu3(PO4)2 = Cu + PO4 =>
Cu3(PO4)2 = 3 Cu + 2 PO4
(NH4)2S + Na2SO3 + H2O = S + NaOH + NH4OH =>
2(NH4)2S + Na2SO3 + 3 H2O = 3 S + 2 NaOH + 4 NH4OH
NaHCO3(s) + HCl(l) = NaCl(l) + H2O(l) + CO2(aq) =>
NaHCO3(s) + HCl(l) = NaCl(l) + H2O(l) + CO2(aq)
H2SO4(aq) + BaCl2(s) = BaSO4(s) + HCl =>
H2SO4(aq) + BaCl2(s) = BaSO4(s) + 2 HCl
P2O5 + H2SO4 = HP2O5 + SO4 =>
2 P2O5 + H2SO4 = 2 HP2O5 + SO4
Pb(NO3)2 + (NH4)3PO4 = Pb3(PO4)2 + NH4NO3 =>
3 Pb(NO3)2 + 2(NH4)3PO4 = Pb3(PO4)2 + 6 NH4NO3
Sn(OH)2 + KOH = K4[Sn(OH)6] =>
Sn(OH)2 + 4 KOH = K4[Sn(OH)6]
Cr2S3 + HCl = CrCl3 + H2S =>
Cr2S3 + 6 HCl = 2 CrCl3 + 3 H2S
HNO3 + Ca3P2 = H3P + Ca(NO3)2 =>
6 HNO3 + Ca3P2 = 2 H3P + 3 Ca(NO3)2
PbCrO4 + HNO3 = Pb(NO3)2 + H2Cr2O7 + H2O =>
2 PbCrO4 + 4 HNO3 = 2 Pb(NO3)2 + H2Cr2O7 + H2O
C2H3O2 + O2 = CO2 + H2O =>
4 C2H3O2 + 7 O2 = 8 CO2 + 6 H2O
Ca + H3PO4 = Ca3(PO4)2 + H =>
3 Ca + 2 H3PO4 = Ca3(PO4)2 + 6 H
CuO + C = Cu + CO2 =>
2 CuO + C = 2 Cu + CO2
CH4N2O + HCl + NaNO2 = N2 + CO2 + NaCl + H2O =>
CH4N2O + 2 HCl + 2 NaNO2 = 2 N2 + CO2 + 2 NaCl + 3 H2O
H3O{+} + CO3{2-} = CO2 + H2O =>
2 H3O{+} + CO3{2-} = CO2 + 3 H2O
H2SiO3 + Na2O = Na2SiO3 + H2O =>
H2SiO3 + Na2O = Na2SiO3 + H2O
HBrO + HBr = H2O + Br =>
HBrO + HBr = H2O + 2 Br
K2Cr2O7 + H2SO4 + KI = I2 + K2SO4 + Cr2(SO4)3 + H2O =>
K2Cr2O7 + 7 H2SO4 + 6 KI = 3 I2 + 4 K2SO4 + Cr2(SO4)3 + 7 H2O
NH4 + NO3 = N2O + H2O =>
NH4 + NO3 = N2O + 2 H2O
Ba(OH)2 + H2SO4 = BaSO4 + H2O =>
Ba(OH)2 + H2SO4 = BaSO4 + 2 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
H2C2O4 + KMnO4 = CO2 + K2O + Mn2O3 + H2O =>
4 H2C2O4 + 2 KMnO4 = 8 CO2 + K2O + Mn2O3 + 4 H2O
KSO4 + H2O = KOH + HSO4 =>
KSO4 + H2O = KOH + HSO4
NH4HSO4 + Na2SO4 = H2SO4 + Na2SO4*(NH4)2SO4 =>
2 NH4HSO4 + Na2SO4 = H2SO4 + Na2SO4*(NH4)2SO4
CH3CH2COOH + NaOH = C2H6 + Na2CO3 + H2O =>
CH3CH2COOH + 2 NaOH = C2H6 + Na2CO3 + H2O
ZnSO4 + H2O = (ZnOH)2SO4 + H2SO4 =>
2 ZnSO4 + 2 H2O = (ZnOH)2SO4 + H2SO4
Bi2O3 + Br2 + KOH = KBiO3 + KBr + H2O =>
Bi2O3 + 2 Br2 + 6 KOH = 2 KBiO3 + 4 KBr + 3 H2O
VO2 + H2O = VO(OH)2 =>
VO2 + H2O = VO(OH)2
Ca(H2PO4)2 + H2SO4 = CaSO4 + H3PO4 =>
Ca(H2PO4)2 + H2SO4 = CaSO4 + 2 H3PO4
C2H6N2 = C2H6 + N2 =>
C2H6N2 = C2H6 + N2
H2MnO4 + HCl = MnCl2 + Cl2 + H2O =>
H2MnO4 + 6 HCl = MnCl2 + 2 Cl2 + 4 H2O
Cd + HgBr2 = Hg + CdBr2 =>
Cd + HgBr2 = Hg + CdBr2
OCO2 + H2 = CH4 + H2O =>
OCO2 + 5 H2 = CH4 + 3 H2O
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