Équations équilibrées la veille |
Ra2 + 4 C = 2 RaC2
K2MnO4 + H2O + O2 = KMnO4 + KOH =>
4 K2MnO4 + 2 H2O + O2 = 4 KMnO4 + 4 KOH
KMnO4 + KNO2 + H2O = MnO2 + KNO4 + KOH =>
4 KMnO4 + 3 KNO2 + 2 H2O = 4 MnO2 + 3 KNO4 + 4 KOH
H + Te = H2Te =>
2 H + Te = H2Te
Cl2 + H3PO3 = HClO4 + H4P2 + H2O =>
5 Cl2 + 14 H3PO3 = 10 HClO4 + 7 H4P2 + 2 H2O
Fe(NO3)2 = Fe(NO3)3 + NO + FeO =>
5 Fe(NO3)2 = 3 Fe(NO3)3 + NO + 2 FeO
C3H7OH + Na2Cr2O7 + H2SO4 = Cr2(SO4)3 + Na2SO4 + H2O + HC3H5O2 =>
3 C3H7OH + 2 Na2Cr2O7 + 8 H2SO4 = 2 Cr2(SO4)3 + 2 Na2SO4 + 11 H2O + 3 HC3H5O2
C9H11NO3 + ICl = C9H9I2NO3 + HCl =>
C9H11NO3 + 2 ICl = C9H9I2NO3 + 2 HCl
NaOH + C2H2O = C2H3NaO2 =>
NaOH + C2H2O = C2H3NaO2
C2 + O8 = C6O12 =>
6 C2 + 3 O8 = 2 C6O12
Bi(OH)3 + Sn(OH)4{2-} = Bi(OH)4{2-} + Sn(OH)3 =>
Bi(OH)3 + Sn(OH)4{2-} = Bi(OH)4{2-} + Sn(OH)3
Pb(NO3)2 + NaCl = PbCl2 + NaNO3 =>
Pb(NO3)2 + 2 NaCl = PbCl2 + 2 NaNO3
HBr + AgNO3 = AgBr + HNO3 =>
HBr + AgNO3 = AgBr + HNO3
KNO3 + Al + NaOH + H2O = NH3 + K3[Al(OH)6] + Na3[Al(OH)6] =>
3 KNO3 + 8 Al + 21 NaOH + 18 H2O = 3 NH3 + K3[Al(OH)6] + 7 Na3[Al(OH)6]
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
F + O = FO =>
F + O = FO
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
Pb(C2O4) + KMnO4 + H2SO4 = MnSO4 + K2SO4 + PbSO4 + CO2 + H2O =>
5 Pb(C2O4) + 2 KMnO4 + 8 H2SO4 = 2 MnSO4 + K2SO4 + 5 PbSO4 + 10 CO2 + 8 H2O
FeCl3 + Na2CO3 = Fe2(CO3)3 + NaCl =>
2 FeCl3 + 3 Na2CO3 = Fe2(CO3)3 + 6 NaCl
SO4 + CH2O = H2 + S + CO2 =>
SO4 + 4 CH2O = 4 H2 + S + 4 CO2
CH3COH = CH4 + CO =>
CH3COH = CH4 + CO
C10H22 + O2 = CO2 + H2O =>
2 C10H22 + 31 O2 = 20 CO2 + 22 H2O
K + SI = KSI =>
K + SI = KSI
Ca(NO3)2*3H2O + LaC2 = Ca(NO3)2 + La(OH)2 + C2H2 =>
2 Ca(NO3)2*3H2O + 3 LaC2 = 2 Ca(NO3)2 + 3 La(OH)2 + 3 C2H2
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
Cu(SO4)(aq) + Zn(l) = Cu(s) + Zn(SO4)(l) =>
Cu(SO4)(aq) + Zn(l) = Cu(s) + Zn(SO4)(l)
Fe(NO3)3 + Na2PO4 = Fe2(PO4)3 + NaNO3 =>
2 Fe(NO3)3 + 3 Na2PO4 = Fe2(PO4)3 + 6 NaNO3
CH3Br + Na + C2H5 = C3H8 + NaBr =>
CH3Br + Na + C2H5 = C3H8 + NaBr
K2CrO7 + CrCl2 + HCl = K2CrO4 + CrCl3 + H2O =>
K2CrO7 + 6 CrCl2 + 6 HCl = K2CrO4 + 6 CrCl3 + 3 H2O
CO2 + H2O = C2H5OH + O2 =>
2 CO2 + 3 H2O = C2H5OH + 3 O2
Fe3O4 + H2 = Fe + H2O =>
Fe3O4 + 4 H2 = 3 Fe + 4 H2O
NH4F + NaCl = NH4Cl + NaF =>
NH4F + NaCl = NH4Cl + NaF
NiCl2*6H2O + C2H8N2 = [Ni(C2H8N2)3]Cl2 + H2O =>
NiCl2*6H2O + 3 C2H8N2 = [Ni(C2H8N2)3]Cl2 + 6 H2O
MgNO3 + HCl = MgCl + NO3H =>
MgNO3 + HCl = MgCl + NO3H
AlCl3 + KOH = Al(OH)3 + KCl =>
AlCl3 + 3 KOH = Al(OH)3 + 3 KCl
Fe2(SO4)3 + KOH = K2SO4 + Fe(OH)3 =>
Fe2(SO4)3 + 6 KOH = 3 K2SO4 + 2 Fe(OH)3
HNO3 + HBr = NO2 + Br2 + H2O =>
2 HNO3 + 2 HBr = 2 NO2 + Br2 + 2 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
C7H6O3 + C2H4O = C9H8O4 + H2 =>
C7H6O3 + C2H4O = C9H8O4 + H2
HNO3(ac) + Mg(OH)2(s) = Mg(NO3)2(ac) + H2O(l) =>
2 HNO3(ac) + Mg(OH)2(s) = Mg(NO3)2(ac) + 2 H2O(l)
(NH4)2Cu(CN)3 + H2SO4 = (NH4)2SO4 + HCN + CuCN =>
(NH4)2Cu(CN)3 + H2SO4 = (NH4)2SO4 + 2 HCN + CuCN
H3PO4 + NH3 = (NH4)3PO4 =>
H3PO4 + 3 NH3 = (NH4)3PO4
CuSO4(ac) + K2CrO4(ac) = CuCrO4(s) + K2SO4(ac) =>
CuSO4(ac) + K2CrO4(ac) = CuCrO4(s) + K2SO4(ac)
MARGARETTHATCHERNAKEDONACOLDDAY = DAYCOLDAONNAKEDTHATCHERMARGARET =>
MARGARETTHATCHERNAKEDONACOLDDAY = DAYCOLDAONNAKEDTHATCHERMARGARET
HClO4 + KOH = H2O + KClO4 =>
HClO4 + KOH = H2O + KClO4
UO2{+2} + C2H5OH + H{+} = U{4+} + CH3CHO + H2O =>
UO2{+2} + C2H5OH + 2 H{+} = U{4+} + CH3CHO + 2 H2O
CuS + H2CO3 = CuCO3 + H2S =>
CuS + H2CO3 = CuCO3 + H2S
C17H35CO2K + MgSO4 = C17H35CO2 + Mg + K2SO4 =>
2 C17H35CO2K + MgSO4 = 2 C17H35CO2 + Mg + K2SO4
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
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