Équations équilibrées la veille |
NCI = N + CI
EuCl2 = Eu + Cl2 =>
EuCl2 = Eu + Cl2
C5H5N + H2 = C4H10 + NH3 =>
4 C5H5N + 21 H2 = 5 C4H10 + 4 NH3
CH2CHCH3 + Na2Cr2O7 + H2SO4 = CH3COOH + Cr2(SO4)3 + Na2SO4 + H2O =>
2 CH2CHCH3 + 2 Na2Cr2O7 + 8 H2SO4 = 3 CH3COOH + 2 Cr2(SO4)3 + 2 Na2SO4 + 8 H2O
NaH + C2H6O = H2O + NaH5C2 =>
NaH + C2H6O = H2O + NaH5C2
C6H12O6 + H2O = C6H14 + H2O2 =>
C6H12O6 + 8 H2O = C6H14 + 7 H2O2
NaOCl + CH2O = NaCl + CO2 + H2O =>
2 NaOCl + CH2O = 2 NaCl + CO2 + H2O
Na2MoO4 + K2MoO4 + MoO3 + Mo = Na8KMo60O170 =>
24 Na2MoO4 + 3 K2MoO4 + 304 MoO3 + 29 Mo = 6 Na8KMo60O170
C20H22O3 + O2 = C20H22O5 =>
C20H22O3 + O2 = C20H22O5
NaVO3 + N2H4 + H2SO4 = N2 + VOSO4 + H2O + Na2SO4 =>
4 NaVO3 + N2H4 + 6 H2SO4 = N2 + 4 VOSO4 + 8 H2O + 2 Na2SO4
MgBr2 + AgNO3 = Mg(NO3)2 + BrAg =>
MgBr2 + 2 AgNO3 = Mg(NO3)2 + 2 BrAg
H3(PO4) + (OH) = H2(PO4) + H2O =>
H3(PO4) + (OH) = H2(PO4) + H2O
Cu(NH3)2Cl8 + HCl = Cu(NH3)2Cl9 + H =>
Cu(NH3)2Cl8 + HCl = Cu(NH3)2Cl9 + H
(Ca(OH)2) = CaO + H2O =>
(Ca(OH)2) = CaO + H2O
Fe2S3 + Na2O2 = Fe2O2 + Na2(SO3) + Na2O =>
Fe2S3 + 8 Na2O2 = Fe2O2 + 3 Na2(SO3) + 5 Na2O
C2H5OH = C2H4 + H2O =>
C2H5OH = C2H4 + H2O
HNO2 + CuOH = CuNO2 + H2O =>
HNO2 + CuOH = CuNO2 + H2O
MgBr2 + AgNO3 = Mg(NO3)2 + BrAg =>
MgBr2 + 2 AgNO3 = Mg(NO3)2 + 2 BrAg
C24H29Cl21 + KClO4 = CO + HCl + H2O + KCl =>
C24H29Cl21 + 7 KClO4 = 24 CO + 21 HCl + 4 H2O + 7 KCl
La(NO3)3 + Ni(NO3)2 + Mg(NO3)2 + C2H5NO2 = La400Ni291Mg9O1000 + H2O + N2 + CO3 =>
5200 La(NO3)3 + 3783 Ni(NO3)2 + 117 Mg(NO3)2 + 8800 C2H5NO2 = 13 La400Ni291Mg9O1000 + 22000 H2O + 16100 N2 + 17600 CO3
Fe2S3 + H2SO4 = Fe2(SO4)3 + SO2 + H2O =>
Fe2S3 + 12 H2SO4 = Fe2(SO4)3 + 12 SO2 + 12 H2O
FeO + H2O = FeO(OH) + H2 =>
2 FeO + 2 H2O = 2 FeO(OH) + H2
V2O5 = VO2 + O2 =>
2 V2O5 = 4 VO2 + O2
K2PtCl4 + NH3 = KCl + Pt(NH3)2Cl2 =>
K2PtCl4 + 2 NH3 = 2 KCl + Pt(NH3)2Cl2
(NH4)2Cr2O7 + H2SO4 = Cr2(SO4)3 + (NH4)2SO4 + SO4 + H2O =>
(NH4)2Cr2O7 + 7 H2SO4 = Cr2(SO4)3 + (NH4)2SO4 + 3 SO4 + 7 H2O
MgBr2 + AgNO3 = Mg(NO3)2 + BrAg =>
MgBr2 + 2 AgNO3 = Mg(NO3)2 + 2 BrAg
Pb + (OH)2 = PbO2 + H2O =>
Pb + 2(OH)2 = PbO2 + 2 H2O
MgBr2 + AgNO3 = Mg(NO3)2 + BrAg =>
MgBr2 + 2 AgNO3 = Mg(NO3)2 + 2 BrAg
AgNO3 + Na2S2O3 = Na3(Ag(S2O3)2) + NaNO3 =>
AgNO3 + 2 Na2S2O3 = Na3(Ag(S2O3)2) + NaNO3
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Sr(NO3)2(aq) + CuSO4(aq) = SrSO4(s) + Cu(NO3)2 =>
Sr(NO3)2(aq) + CuSO4(aq) = SrSO4(s) + Cu(NO3)2
Ba(OH)2 + Na2(SO4)2 = Na(OH) + Ba(SO4)2 =>
Ba(OH)2 + Na2(SO4)2 = 2 Na(OH) + Ba(SO4)2
N2(g) + O3 = N2O5 =>
3 N2(g) + 5 O3 = 3 N2O5
Mg + H3PO4(aq) = H2 + Mg3(PO4)2 =>
3 Mg + 2 H3PO4(aq) = 3 H2 + Mg3(PO4)2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
(NH4)2SO4*FeSO4*6H2O + K3[Fe(CN)6] + H2O = Fe3[Fe(CN)6]2 + (NH4)2SO4*K2SO4*7H2O =>
3(NH4)2SO4*FeSO4*6H2O + 2 K3[Fe(CN)6] + 3 H2O = Fe3[Fe(CN)6]2 + 3(NH4)2SO4*K2SO4*7H2O
HNO3 + Cl2 = HClO3 + N2 =>
2 HNO3 + Cl2 = 2 HClO3 + N2
Fe(OH)2 + HBr = FeBr2 + H2O =>
Fe(OH)2 + 2 HBr = FeBr2 + 2 H2O
CH3COOC2H5 + NaOH + HCl = NaCl + CH3COOH + C2H5OH =>
CH3COOC2H5 + NaOH + HCl = NaCl + CH3COOH + C2H5OH
KI + Na2S2O3*5H2O = I2 + H2O + KNa2S2O3 =>
2 KI + 2 Na2S2O3*5H2O = I2 + 10 H2O + 2 KNa2S2O3
MgBr2 + AgNO3 = Mg(NO3)2 + BrAg =>
MgBr2 + 2 AgNO3 = Mg(NO3)2 + 2 BrAg
FeCl2 + AgF = FeF2 + AgCl =>
FeCl2 + 2 AgF = FeF2 + 2 AgCl
KI(aq) + BaS(aq) = BaI2 + K2S(aq) =>
2 KI(aq) + BaS(aq) = BaI2 + K2S(aq)
NaCO3 + Ca(OH) = NaOH + CaCO3 =>
NaCO3 + Ca(OH) = NaOH + CaCO3
CuCl + Mg = MgCl + Cu =>
CuCl + Mg = MgCl + Cu
NaBr + Sr(NO3)2 = BrSr + Na(NO3)2 =>
NaBr + Sr(NO3)2 = BrSr + Na(NO3)2
H2O + Na2CO3 = OH + HNa2CO3 =>
H2O + Na2CO3 = OH + HNa2CO3
Bi2Te3 + HNO3 = Bi(NO3)3 + Te + NO + H2O =>
Bi2Te3 + 8 HNO3 = 2 Bi(NO3)3 + 3 Te + 2 NO + 4 H2O
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
KI + NaOH = INa + KOH =>
KI + NaOH = INa + KOH
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