Équations équilibrées la veille |
12 HSO = 6 H2 + 4 S3 + 3 O4
KBr + CaS = K2S + CaBr2 =>
2 KBr + CaS = K2S + CaBr2
NO2 + HOH = HNO3 + NO =>
3 NO2 + HOH = 2 HNO3 + NO
AgNO3 + H2C2 = Ag2C2 + HNO3 =>
2 AgNO3 + H2C2 = Ag2C2 + 2 HNO3
Cu2S + H2SO4 + Cu(NO3)2 = CuSO4 + NO + H2O =>
3 Cu2S + 8 H2SO4 + 5 Cu(NO3)2 = 11 CuSO4 + 10 NO + 8 H2O
NaNO2 + H2SO4 + Cu = CuSO4 + NO + Na2SO4 + H2O =>
2 NaNO2 + 2 H2SO4 + Cu = CuSO4 + 2 NO + Na2SO4 + 2 H2O
MgO + NaOH = MgO2 + NaH =>
MgO + NaOH = MgO2 + NaH
FeS2 + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + Cr2(SO4)3 + K2SO4 + H2O =>
2 FeS2 + 5 K2Cr2O7 + 19 H2SO4 = Fe2(SO4)3 + 5 Cr2(SO4)3 + 5 K2SO4 + 19 H2O
Pb + Zn(NO3)3 = Pb(NO3)3 + Zn =>
Pb + Zn(NO3)3 = Pb(NO3)3 + Zn
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
Li2CO3 + HF = LiF + H2CO3 =>
Li2CO3 + 2 HF = 2 LiF + H2CO3
MgSO4 + NH3 + H2O = Mg(OH)2 + (NH4)2SO4 =>
MgSO4 + 2 NH3 + 2 H2O = Mg(OH)2 + (NH4)2SO4
H3 + B = HB =>
H3 + 3 B = 3 HB
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
CaSO3 + HCl = CaCl + SO2 + HO =>
CaSO3 + HCl = CaCl + SO2 + HO
FeCO3 + CH3COOH = Fe(C2H3O2)2 + CO2 + H2O =>
FeCO3 + 2 CH3COOH = Fe(C2H3O2)2 + CO2 + H2O
Ca + HF = HFCa =>
Ca + HF = HFCa
Mg(HCO3)2 + H2SO4 = MgSO4 + H2O + CO2 =>
Mg(HCO3)2 + H2SO4 = MgSO4 + 2 H2O + 2 CO2
C6H5OH + CH2O = (C6H4OH)2CH2 + H2O =>
2 C6H5OH + CH2O = (C6H4OH)2CH2 + H2O
MnSO4 + NaOH = MnO + Na2SO4 + H2O =>
MnSO4 + 2 NaOH = MnO + Na2SO4 + H2O
BeI2 + Sr(SO4) = Be(SO4) + SrI2 =>
BeI2 + Sr(SO4) = Be(SO4) + SrI2
H2O(l) + CH4(g) = H2(g) + CO2(g) =>
2 H2O(l) + CH4(g) = 4 H2(g) + CO2(g)
Pb(OH)2 = H2O + PbO =>
Pb(OH)2 = H2O + PbO
KOH + PbN2O6 = PbO2H2 + KNO3 =>
2 KOH + PbN2O6 = PbO2H2 + 2 KNO3
Cu + HCI = CuHCI =>
Cu + HCI = CuHCI
H2SO4 + HBr = S02 + Br2 + H2O =>
2 H2SO4 + 12 HBr = S02 + 6 Br2 + 8 H2O
SO2 + H2O = H2SO3(g) =>
SO2 + H2O = H2SO3(g)
N2 + S = N2S =>
N2 + S = N2S
Al2O3 + SO2 = Al2(SO3)3 =>
Al2O3 + 3 SO2 = Al2(SO3)3
SO3 + Li(OH) = LiHSO4 =>
SO3 + Li(OH) = LiHSO4
Fe*2O*3 + C = Fe + CO*2 =>
Fe*2O*3 + 2 C = Fe + 2 CO*2
HgOH2 + PO4 = Hg3(PO4)2 + H2O =>
3 HgOH2 + 2 PO4 = Hg3(PO4)2 + 3 H2O
HNO3 + Fe(OH)2 = Fe(OH)3 + NO2 =>
HNO3 + Fe(OH)2 = Fe(OH)3 + NO2
Fe + Ag(CH3COO) = Fe(CH3COO) + Ag =>
Fe + Ag(CH3COO) = Fe(CH3COO) + Ag
C6H5CH2OH + KMnO4 = C6H5COOH + MnO2 + H2O + KOH =>
3 C6H5CH2OH + 4 KMnO4 = 3 C6H5COOH + 4 MnO2 + H2O + 4 KOH
Ai2O3 + NaOH = NaAiO2 + H2O =>
Ai2O3 + 2 NaOH = 2 NaAiO2 + H2O
Zn + CrCl3 = CrCl + ZnCl2 =>
Zn + CrCl3 = CrCl + ZnCl2
CuCl + Ni = Cu + NiCl =>
CuCl + Ni = Cu + NiCl
H2 + Zn = ZnH2 =>
H2 + Zn = ZnH2
Cu + Fe(NO3)3 = Cu(NO3) + Fe =>
3 Cu + Fe(NO3)3 = 3 Cu(NO3) + Fe
CrCl2 + O2 + HCl = H2O + CrCl3 =>
4 CrCl2 + O2 + 4 HCl = 2 H2O + 4 CrCl3
Cl2 + AgNO3 + H2O = AgCl + AgClO3 + HNO3 =>
3 Cl2 + 6 AgNO3 + 3 H2O = 5 AgCl + AgClO3 + 6 HNO3
(b)CaO(s) + C(s) = CaC2(s) + CO2(g) =>
2(b)CaO(s) + 5 C(s) = 2 CaC2(s) + CO2(g)
FeCl3 + NH4CSN = Fe(CSN)3 + NH3 + HCl =>
FeCl3 + 3 NH4CSN = Fe(CSN)3 + 3 NH3 + 3 HCl
C2O4{-2} + MoO2 + H{+} = Mo{+2} + CO2 + H2O =>
C2O4{-2} + MoO2 + 4 H{+} = Mo{+2} + 2 CO2 + 2 H2O
KMnO4 + (NH4)2SO4 = K2SO4 + NH4MnO4 =>
2 KMnO4 + (NH4)2SO4 = K2SO4 + 2 NH4MnO4
C3H6O2 + NaOH = C2H3O2Na + CH3OH =>
C3H6O2 + NaOH = C2H3O2Na + CH3OH
Mg3N2 + H2O = Mg(OH)2 + NH3 =>
Mg3N2 + 6 H2O = 3 Mg(OH)2 + 2 NH3
Sn + H2O = H2 + SnOH =>
2 Sn + 2 H2O = H2 + 2 SnOH
AgBr + HCl = HBr + AgCl =>
AgBr + HCl = HBr + AgCl
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