Équations équilibrées la veille |
4 HCOOH = CH4 + 3 CO2 + 2 H2O
CaCl2 + Na2HPO4 + NaOH = Ca5(PO4)3OH + NaCl + H2O =>
5 CaCl2 + 3 Na2HPO4 + 4 NaOH = Ca5(PO4)3OH + 10 NaCl + 3 H2O
Na2CO3(aq) + H2SO4(aq) = Na2SO4(aq) + H2O(l) + CO2(g) =>
Na2CO3(aq) + H2SO4(aq) = Na2SO4(aq) + H2O(l) + CO2(g)
Zr + Mn2O3 = ZrO2 + Mn =>
3 Zr + 2 Mn2O3 = 3 ZrO2 + 4 Mn
KCN + KMnO4 + H2O = KCNO + MnO2 + KOH =>
3 KCN + 2 KMnO4 + H2O = 3 KCNO + 2 MnO2 + 2 KOH
K2SO3 + H2O = KHSO3 + KOH =>
K2SO3 + H2O = KHSO3 + KOH
C25H30N3Cl + NaOH = C25H30N3(OH) + NaCl =>
C25H30N3Cl + NaOH = C25H30N3(OH) + NaCl
K2Cr2O7 + H2SO4 + CO(NH2)2 = K2SO4 + Cr2(SO4)3 + CO2 + N2 + H2O =>
K2Cr2O7 + 4 H2SO4 + CO(NH2)2 = K2SO4 + Cr2(SO4)3 + CO2 + N2 + 6 H2O
CH3COOH(aq) + CaCO3(s) = (CH3COO)Ca(aq) + CO2(g) + H2O(l) =>
9 CH3COOH(aq) + 8 CaCO3(s) = 8(CH3COO)Ca(aq) + 10 CO2(g) + 6 H2O(l)
CH3CH2Br + KOH = CH2CH2 + KBr + H2O =>
CH3CH2Br + KOH = CH2CH2 + KBr + H2O
HCOOH = H2O + CO =>
HCOOH = H2O + CO
Bi + KI = BiI3 + K =>
Bi + 3 KI = BiI3 + 3 K
AgNO3 + NH3 + H2O = AgOH + NH4NO3 =>
AgNO3 + NH3 + H2O = AgOH + NH4NO3
Ni + NiCl2 = Ni2Cl2 =>
Ni + NiCl2 = Ni2Cl2
H2SO4(aq) + Na2CO3(aq) = Na2SO4(aq) + H2CO3(aq) =>
H2SO4(aq) + Na2CO3(aq) = Na2SO4(aq) + H2CO3(aq)
Pb(ClO3)2 + KBr = PbBr2 + KClO3 =>
Pb(ClO3)2 + 2 KBr = PbBr2 + 2 KClO3
CaO + Al(OH)3 = Ca(AlO2)2 + H2O =>
CaO + 2 Al(OH)3 = Ca(AlO2)2 + 3 H2O
Sr(NO3)2 + NaOH = Sr(OH)2 + Na(NO3) =>
Sr(NO3)2 + 2 NaOH = Sr(OH)2 + 2 Na(NO3)
HCl + Zn = Cl2Zn + H2 =>
2 HCl + Zn = Cl2Zn + H2
C25H30N3Cl + NaOH = C25H29N3 + NaCl + H2O =>
C25H30N3Cl + NaOH = C25H29N3 + NaCl + H2O
Zn(OH)2 + HCl + H2O = [Zn(H2O)4]Cl2 =>
Zn(OH)2 + 2 HCl + 2 H2O = [Zn(H2O)4]Cl2
K2SO3 + H2O = S + K2SO4 + KOH =>
3 K2SO3 + H2O = S + 2 K2SO4 + 2 KOH
CH3CH2CH2Br + Na = C6H14 + NaBr =>
2 CH3CH2CH2Br + 2 Na = C6H14 + 2 NaBr
As2O3 + Mg = As + Mg2O2 =>
2 As2O3 + 6 Mg = 4 As + 3 Mg2O2
CH3CH2Br + KOH = C2H4 + KBr + H2O =>
CH3CH2Br + KOH = C2H4 + KBr + H2O
Cr2(SO4)3 + CdCl = CrCl3 + Cd2SO4 =>
Cr2(SO4)3 + 6 CdCl = 2 CrCl3 + 3 Cd2SO4
HCOOH = H + HCOO =>
HCOOH = H + HCOO
Cu(NO3)2 + HCl = CuCl + H(NO3)2 =>
Cu(NO3)2 + HCl = CuCl + H(NO3)2
C25H30N3Cl + NaOH = C25H30N3ClOH + Na =>
C25H30N3Cl + NaOH = C25H30N3ClOH + Na
CH4 + Cl2 = CH2Cl + HCl =>
2 CH4 + 3 Cl2 = 2 CH2Cl + 4 HCl
HCOOH = CO2 + H2 =>
HCOOH = CO2 + H2
Na2CO3(aq) + H2SO4(aq) = Na2SO4 + CO2 + H2O =>
Na2CO3(aq) + H2SO4(aq) = Na2SO4 + CO2 + H2O
Co(NO3)2 + K2O = CoO + KNO3 =>
Co(NO3)2 + K2O = CoO + 2 KNO3
MnSO4 + KBiO3 + H2SO4 = HMnO4 + Bi2(SO4)3 + K2SO4 + H2O =>
4 MnSO4 + 10 KBiO3 + 16 H2SO4 = 4 HMnO4 + 5 Bi2(SO4)3 + 5 K2SO4 + 14 H2O
BeO + SO3 = BeSO4 =>
BeO + SO3 = BeSO4
KCN + KMnO4 + H2O = (CN)2 + MnO2 + KOH =>
6 KCN + 2 KMnO4 + 4 H2O = 3(CN)2 + 2 MnO2 + 8 KOH
HCl + ZnCl2 = ZnH2 + Cl =>
2 HCl + ZnCl2 = ZnH2 + 4 Cl
C25H30N3Cl + NaOH = C25H31ON3 + NaCl =>
C25H30N3Cl + NaOH = C25H31ON3 + NaCl
Na2CO3(aq) + H2SO4(aq) = Na2SO4 + H2CO3 =>
Na2CO3(aq) + H2SO4(aq) = Na2SO4 + H2CO3
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
Ag2SO4 + NaNO3 = Ag2NO3 + NaSO4 =>
Ag2SO4 + NaNO3 = Ag2NO3 + NaSO4
Tc + O = Tc2O7 =>
2 Tc + 7 O = Tc2O7
KMnO4 + KCN + H2O = MnO2 + KOH + K(OCN) =>
2 KMnO4 + 3 KCN + H2O = 2 MnO2 + 2 KOH + 3 K(OCN)
PCl3 + H2 = PH3 + HCl =>
PCl3 + 3 H2 = PH3 + 3 HCl
C18H38 + O2 = CO2 + H2O =>
2 C18H38 + 55 O2 = 36 CO2 + 38 H2O
V2O5(s) + CaS(s) = CaO(s) + V2S5(s) =>
V2O5(s) + 5 CaS(s) = 5 CaO(s) + V2S5(s)
HCl + ZnCl2 = HZn + Cl =>
HCl + ZnCl2 = HZn + 3 Cl
N2 + H2O = NH3 + O2 =>
2 N2 + 6 H2O = 4 NH3 + 3 O2
KMnO4 + KCl + HNO3 = Mn(NO3)2 + Cl2 + H2O + KNO3 =>
2 KMnO4 + 10 KCl + 16 HNO3 = 2 Mn(NO3)2 + 5 Cl2 + 8 H2O + 12 KNO3
Na2SO4 + Ba(CH3COO)2 = Na(CH3COO) + BaSO4 =>
Na2SO4 + Ba(CH3COO)2 = 2 Na(CH3COO) + BaSO4
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