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Chemische vergelijkingen in evenwicht op05/06/12

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Breng de vergelijking van een chemische reactie in evenwicht
Al + HCl = Al2Cl3 + H2 =>
4 Al + 6 HCl = 2 Al2Cl3 + 3 H2

NAO + H20 = NAOH =>
20 NAO + H20 = 20 NAOH

HNO3 + NaHCO3 = NaNO3 + H2O + CO2 =>
HNO3 + NaHCO3 = NaNO3 + H2O + CO2

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

Cr2O3 + C + Cl2 = CrCl3 + CO =>
Cr2O3 + 3 C + 3 Cl2 = 2 CrCl3 + 3 CO

CoBr3 + NaCN = CoCN + NaBr3 =>
CoBr3 + NaCN = CoCN + NaBr3

Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2

NH3 + NaOCl = NaONH3 + Cl2 =>
2 NH3 + 2 NaOCl = 2 NaONH3 + Cl2

Pb + HNO3 = Pb(NO3)2 + H2O + NO =>
3 Pb + 8 HNO3 = 3 Pb(NO3)2 + 4 H2O + 2 NO

H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2

CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O

H2S + O2 = H2O + SO2 =>
2 H2S + 3 O2 = 2 H2O + 2 SO2

H2 + SO2 = H2O + S =>
2 H2 + SO2 = 2 H2O + S

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

CO3 + H = H2O + CO2 =>
CO3 + 2 H = H2O + CO2

H2SO4 + KOH = H2O + K2SO4 =>
H2SO4 + 2 KOH = 2 H2O + K2SO4

KOH + H2SO4 = H2O + K2SO4 =>
2 KOH + H2SO4 = 2 H2O + K2SO4

Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2

C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O

Fe + H3O{+} = Fe{2+} + H2 + H2O =>
Fe + 2 H3O{+} = Fe{2+} + H2 + 2 H2O

Ca(OH)2 + HCl = CaCl2 + H2O =>
Ca(OH)2 + 2 HCl = CaCl2 + 2 H2O

Mg(NO3)2 + K3PO4 = Mg3(PO4)2 + KNO3 =>
3 Mg(NO3)2 + 2 K3PO4 = Mg3(PO4)2 + 6 KNO3

Ni + Co = Ni(Co)4 =>
Ni + 4 Co = Ni(Co)4

CuCO3 + H{+} = Cu{2+} + H2O + CO2 =>
CuCO3 + 2 H{+} = Cu{2+} + H2O + CO2

H3PO4 + NaOH = H2O + Na3PO4 =>
H3PO4 + 3 NaOH = 3 H2O + Na3PO4

F2 + H2 = HF =>
F2 + H2 = 2 HF

CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2

CU + O2 = CUO =>
2 CU + O2 = 2 CUO

Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2

CH3CH3 + O2 = CO2 + H2O =>
2 CH3CH3 + 7 O2 = 4 CO2 + 6 H2O

NH4H2PO4 = NH3 + H3PO4 =>
NH4H2PO4 = NH3 + H3PO4

NiF2 + KF = K2[NiF4] =>
NiF2 + 2 KF = K2[NiF4]

Al2(SO4)3 + NaOH = Al(OH)3 + Na2SO4 =>
Al2(SO4)3 + 6 NaOH = 2 Al(OH)3 + 3 Na2SO4

Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2

SiCl4 + H2O = H4SiO4 + HCl =>
SiCl4 + 4 H2O = H4SiO4 + 4 HCl

N2O + H2 = NH3 + H2O =>
N2O + 4 H2 = 2 NH3 + H2O

(CH3(CH2)2CH3) + O2 = CO2 + H2O =>
2(CH3(CH2)2CH3) + 13 O2 = 8 CO2 + 10 H2O

P2O3 + HNO3 + H20 = H3PO4 + NO =>
40 P2O3 + 100 HNO3 + 7 H20 = 80 H3PO4 + 100 NO

N2O + C = CO2 + N2 =>
2 N2O + C = CO2 + 2 N2

BACL + ALSO4 = ALCL + BASO4 =>
BACL + ALSO4 = ALCL + BASO4

As2S3(s) + H2O2(aq) + OH{-} = AsO4{3-}(aq) + SO4{2-}(aq) + H20 =>
As2S3(s) + 4 H2O2(aq) + 12 OH{-} = 2 AsO4{3-}(aq) + 3 SO4{2-}(aq) + H20

Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2

N2O + Cu = CuO + N2 =>
N2O + Cu = CuO + N2

H3PO4 = H4P2O7 + H2O =>
2 H3PO4 = H4P2O7 + H2O

KMnO4 + H2SO4 = K2SO4 + MnSO4 + O + H2O =>
2 KMnO4 + 3 H2SO4 = K2SO4 + 2 MnSO4 + 5 O + 3 H2O

(CH3(CH2)6CH3) + O2 = CO2 + H2O =>
2(CH3(CH2)6CH3) + 25 O2 = 16 CO2 + 18 H2O

C2H5OH + O2 = CH3COOH + H2O =>
C2H5OH + O2 = CH3COOH + H2O

HClO4(aq) + NaOH(aq) = H2O + NaClO4 =>
HClO4(aq) + NaOH(aq) = H2O + NaClO4

N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3

HCLO4 + Li = LiCLO4 + H2 =>
2 HCLO4 + 2 Li = 2 LiCLO4 + H2

1 2 3 4
Breng de vergelijking van een chemische reactie in evenwicht
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