Équations équilibrées la veille |
SiF4 = Si + 2 F2
KOH + HBr = KBr + H2O =>
KOH + HBr = KBr + H2O
(CH3COO)2Cu + NaOH = CH3COONa + Cu(OH)2 =>
(CH3COO)2Cu + 2 NaOH = 2 CH3COONa + Cu(OH)2
H2S + O2 = H2O + SO2 =>
2 H2S + 3 O2 = 2 H2O + 2 SO2
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
Mg + Fe2O3 = Fe + MgO =>
3 Mg + Fe2O3 = 2 Fe + 3 MgO
C6H6O2 + O2 = CO + H2O =>
2 C6H6O2 + 7 O2 = 12 CO + 6 H2O
MgCl2 + PbNO3 = Mg(NO3)2 + PbCl =>
MgCl2 + 2 PbNO3 = Mg(NO3)2 + 2 PbCl
Pb(NO3)2 + KI(aq) = PbI2(s) + KNO3 =>
Pb(NO3)2 + 2 KI(aq) = PbI2(s) + 2 KNO3
LiOH + H2SO4 = Li2SO4 + H2O =>
2 LiOH + H2SO4 = Li2SO4 + 2 H2O
C + H2 = C2H6 =>
2 C + 3 H2 = C2H6
CH3COOKH2O = CH3COOHKOH =>
CH3COOKH2O = CH3COOHKOH
S + O2 + H2O = SO4{2-} + H{+} =>
2 S + 3 O2 + 2 H2O = 2 SO4{2-} + 4 H{+}
Pb{+2} + AgNO3 = Ag{+} + Pb(NO3)2 =>
Pb{+2} + 2 AgNO3 = 2 Ag{+} + Pb(NO3)2
Ba(OH)2 + SeO3 = BaSeO4 + H2O =>
Ba(OH)2 + SeO3 = BaSeO4 + H2O
sodiumphosphate + calciumchloride = calciumphosphate + sodiumchloride =>
2 Na3PO4 + 3 CaCl2 = Ca3(PO4)2 + 6 NaCl
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
CH3(CH2)2(CH3) + O2 = CO2 + H2O =>
2 CH3(CH2)2(CH3) + 13 O2 = 8 CO2 + 10 H2O
NaBr + F2 = Br2 + NaF =>
2 NaBr + F2 = Br2 + 2 NaF
Ba{2+} + S{-2} = BaS =>
Ba{2+} + S{-2} = BaS
Pb(C2H5)5 + O2 = CO2 + H2O + PbO =>
4 Pb(C2H5)5 + 67 O2 = 40 CO2 + 50 H2O + 4 PbO
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
Ba{2+} + S{-2} = BaS =>
Ba{2+} + S{-2} = BaS
MnO2 + Cl = MnCl2 + O =>
MnO2 + 2 Cl = MnCl2 + 2 O
Ba{2+} + S{-2} = BaS =>
Ba{2+} + S{-2} = BaS
Ca + HBr = CaBr2 + H =>
Ca + 2 HBr = CaBr2 + 2 H
HNCO + KOH = KNCO + H2O =>
HNCO + KOH = KNCO + H2O
AgI + Na2S = Ag2S + NaI =>
2 AgI + Na2S = Ag2S + 2 NaI
H3Po4 + Zn = Zn3(Po4)2 + H3 =>
2 H3Po4 + 3 Zn = Zn3(Po4)2 + 2 H3
Zn + Pb{2+}(NO3)2 = Zn{2+} + Pb =>
Zn + Pb{2+}(NO3)2 = Zn{2+} + Pb
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
KMgO4 + NaNO2 + H2O = MgO2 + NaNO3 + KOH =>
2 KMgO4 + 3 NaNO2 + H2O = 2 MgO2 + 3 NaNO3 + 2 KOH
CO2 + H2O = C2H6 + O2 =>
4 CO2 + 6 H2O = 2 C2H6 + 7 O2
H2SO4 + NH4OH = H2O + (NH4)2SO4 =>
H2SO4 + 2 NH4OH = 2 H2O + (NH4)2SO4
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Ba{2+} + S{-2} = BaS =>
Ba{2+} + S{-2} = BaS
ZnCl2 + Ca(OH)2 = Zn(OH)2 + CaCl2 =>
ZnCl2 + Ca(OH)2 = Zn(OH)2 + CaCl2
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
Ca(s) + N2(g) + O2(g) = Ca(NO2)2(g) =>
Ca(s) + N2(g) + 2 O2(g) = Ca(NO2)2(g)
Ca(CHCOO)2 + Na3PO4 = NaCHCOO + Ca3(PO4)2 =>
3 Ca(CHCOO)2 + 2 Na3PO4 = 6 NaCHCOO + Ca3(PO4)2
CuNO3 + CrCl2 = CuCl + Cr(NO3)2 =>
2 CuNO3 + CrCl2 = 2 CuCl + Cr(NO3)2
Ba{2+} + S{-2} = BaS =>
Ba{2+} + S{-2} = BaS
CoS(s) + O2(g) = CoO(s) + SO2 =>
2 CoS(s) + 3 O2(g) = 2 CoO(s) + 2 SO2
Ba{2+} + S{-2} = BaS =>
Ba{2+} + S{-2} = BaS
Pt + Ni + Mg = PtNiMg =>
Pt + Ni + Mg = PtNiMg
NaOH + Al = H2 + Na3AlO3 =>
6 NaOH + 2 Al = 3 H2 + 2 Na3AlO3
KHS + H2O = KOHH2S =>
KHS + H2O = KOHH2S
MnSO4(aq) + NaOH(aq) = Mn(OH)2(s) + Na2SO4(aq) =>
MnSO4(aq) + 2 NaOH(aq) = Mn(OH)2(s) + Na2SO4(aq)
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
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