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Chemische vergelijkingen in evenwicht op07/12/07

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Breng de vergelijking van een chemische reactie in evenwicht
Hf3N4 = Hf + N2 =>
Hf3N4 = 3 Hf + 2 N2

AlCl3 + H2SO4 = Al2(SO4)3 + HCl =>
2 AlCl3 + 3 H2SO4 = Al2(SO4)3 + 6 HCl

Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3

Fe + S = FeS3 =>
Fe + 3 S = FeS3

Fe + S = Fe(S)3 =>
Fe + 3 S = Fe(S)3

Ca + HCl = CaCl + H =>
Ca + HCl = CaCl + H

Ca + HCl = CaCl2 + H =>
Ca + 2 HCl = CaCl2 + 2 H

Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O

LiF + Cm = Li + CmF3 =>
3 LiF + Cm = 3 Li + CmF3

Pd(OH)2 + HNO3 = Pd(NO3)2 + H2O =>
Pd(OH)2 + 2 HNO3 = Pd(NO3)2 + 2 H2O

NaHSO3 + Br2 + H2O = NaHSO4 + HBr =>
NaHSO3 + Br2 + H2O = NaHSO4 + 2 HBr

Zn + HCl = H2 + ZnCl =>
2 Zn + 2 HCl = H2 + 2 ZnCl

HO2 = H + O2 =>
HO2 = H + O2

H2O + Na = H2 + Na2O =>
H2O + 2 Na = H2 + Na2O

CaCO3 + O2 = CaCO5 =>
CaCO3 + O2 = CaCO5

Zn + AgNO3 = Ag + Zn(NO3)2 =>
Zn + 2 AgNO3 = 2 Ag + Zn(NO3)2

HCl + Na2CO3 = H2CO3 + NaCl =>
2 HCl + Na2CO3 = H2CO3 + 2 NaCl

KClO3 + MnO2 = K2O + Mn(ClO3)4 =>
4 KClO3 + MnO2 = 2 K2O + Mn(ClO3)4

H2 + O2 = H2O2 =>
H2 + O2 = H2O2

H2SO4 + NaOH = H2O + Na2SO4 =>
H2SO4 + 2 NaOH = 2 H2O + Na2SO4

Cu + AgNO3 = Ag + Cu(NO3)2 =>
Cu + 2 AgNO3 = 2 Ag + Cu(NO3)2

K + H2O = KO + H2 =>
K + H2O = KO + H2

Pb + Cu(NO3)2 = Cu + Pb(NO3)2 =>
Pb + Cu(NO3)2 = Cu + Pb(NO3)2

Zn + Pb(NO3)2 = Pb + Zn(NO3)2 =>
Zn + Pb(NO3)2 = Pb + Zn(NO3)2

Zn + H2SO4 = H2 + Zn2SO4 =>
2 Zn + H2SO4 = H2 + Zn2SO4

K + H2O = KO + H2 =>
K + H2O = KO + H2

CuCl2 = Cu + Cl2 =>
CuCl2 = Cu + Cl2

CuCl = Cu + Cl2 =>
2 CuCl = 2 Cu + Cl2

NH4 + OH = NH4OH =>
NH4 + OH = NH4OH

N2 + H2 = NH4 =>
N2 + 4 H2 = 2 NH4

Cl + NH4 = NH4Cl =>
Cl + NH4 = NH4Cl

N2 + H2O = NH3 + O2 =>
2 N2 + 6 H2O = 4 NH3 + 3 O2

N2 + H2O = NO3 + NH4 =>
5 N2 + 12 H2O = 4 NO3 + 6 NH4

NaCl + KNO3 = NaNO3 + KCl =>
NaCl + KNO3 = NaNO3 + KCl

NaCl + AgNO3 = NaNO3 + AgCl =>
NaCl + AgNO3 = NaNO3 + AgCl

NaOH + HCl = H2O + NaCl =>
NaOH + HCl = H2O + NaCl

NH4 + Cl = NH4Cl =>
NH4 + Cl = NH4Cl

BaCl2 + H2SO4 = BaSO4 + HCl =>
BaCl2 + H2SO4 = BaSO4 + 2 HCl

NH4 + NO3 = N2H4O3 =>
NH4 + NO3 = N2H4O3

Na + SO4 = NaSO4 =>
Na + SO4 = NaSO4

Na + SO4 = Na2SO4 =>
2 Na + SO4 = Na2SO4

NH4 + SO4 = NH4SO4 =>
NH4 + SO4 = NH4SO4

NH4 + S = NH4S =>
NH4 + S = NH4S

NH4 + PO4 = NH4PO4 =>
NH4 + PO4 = NH4PO4

NH4 + CO3 = NH4CO3 =>
NH4 + CO3 = NH4CO3

NH4 + SO4 = NH4SO4 =>
NH4 + SO4 = NH4SO4

NH4 + PO4 = NH4PO4 =>
NH4 + PO4 = NH4PO4

Ca + OH = CaOH =>
Ca + OH = CaOH

NH4OH + H2SO4 = SO4(NH4)2 + H2O =>
2 NH4OH + H2SO4 = SO4(NH4)2 + 2 H2O

Ca + NO3 = CaNO3 =>
Ca + NO3 = CaNO3

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Breng de vergelijking van een chemische reactie in evenwicht
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