Directly related questions
- 17N.3.sl.TZ0.6c: Discuss one possible risk associated with the use of nanotechnology.
- 17N.3.sl.TZ0.6c: Discuss one possible risk associated with the use of nanotechnology.
- 17N.3.sl.TZ0.c: Discuss one possible risk associated with the use of nanotechnology.
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18M.3.sl.TZ1.3b.iii:
Describe how carbon nanotubes are produced by chemical vapour deposition (CVD).
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18M.3.sl.TZ1.3b.iii:
Describe how carbon nanotubes are produced by chemical vapour deposition (CVD).
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18M.3.sl.TZ1.b.iii:
Describe how carbon nanotubes are produced by chemical vapour deposition (CVD).
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19M.3.hl.TZ1.6a:
Describe the structure and bonding of a carbon nanotube.
Structure:
Bonding:
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19M.3.hl.TZ1.6a:
Describe the structure and bonding of a carbon nanotube.
Structure:
Bonding:
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19M.3.hl.TZ1.a:
Describe the structure and bonding of a carbon nanotube.
Structure:
Bonding:
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17N.3.sl.TZ0.6a:
State equations for the formation of iron nanoparticles and carbon atoms from Fe(CO)5 in the HIPCO process.
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17N.3.sl.TZ0.6a:
State equations for the formation of iron nanoparticles and carbon atoms from Fe(CO)5 in the HIPCO process.
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17N.3.sl.TZ0.a:
State equations for the formation of iron nanoparticles and carbon atoms from Fe(CO)5 in the HIPCO process.
- 17N.3.sl.TZ0.6b: Outline why the iron nanoparticle catalysts produced by the HIPCO process are more efficient than...
- 17N.3.sl.TZ0.6b: Outline why the iron nanoparticle catalysts produced by the HIPCO process are more efficient than...
- 17N.3.sl.TZ0.b: Outline why the iron nanoparticle catalysts produced by the HIPCO process are more efficient than...
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18M.3.sl.TZ1.3b.ii:
State one physical property of HDPE that will be affected by the incorporation of carbon nanotubes.
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18M.3.sl.TZ1.3b.ii:
State one physical property of HDPE that will be affected by the incorporation of carbon nanotubes.
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18M.3.sl.TZ1.b.ii:
State one physical property of HDPE that will be affected by the incorporation of carbon nanotubes.
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18M.3.sl.TZ2.5a:
State the source of carbon for MWCNT produced by arc discharge and by CVD.
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18M.3.sl.TZ2.5a:
State the source of carbon for MWCNT produced by arc discharge and by CVD.
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18M.3.sl.TZ2.a:
State the source of carbon for MWCNT produced by arc discharge and by CVD.
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18N.3.sl.TZ0.4c:
Arc discharge, consisting of two inert metal electrodes in a liquid solvent, is one method of producing carbon nanotubes (CNTs).
Predict, giving a reason, the electrode at which the solvent cyclohexane, C6H12, will decompose to form CNTs.
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18N.3.sl.TZ0.4c:
Arc discharge, consisting of two inert metal electrodes in a liquid solvent, is one method of producing carbon nanotubes (CNTs).
Predict, giving a reason, the electrode at which the solvent cyclohexane, C6H12, will decompose to form CNTs.
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18N.3.sl.TZ0.c:
Arc discharge, consisting of two inert metal electrodes in a liquid solvent, is one method of producing carbon nanotubes (CNTs).
Predict, giving a reason, the electrode at which the solvent cyclohexane, C6H12, will decompose to form CNTs.
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19M.3.hl.TZ1.6b:
Suggest one application for carbon nanotubes.
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19M.3.hl.TZ1.6b:
Suggest one application for carbon nanotubes.
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19M.3.hl.TZ1.b:
Suggest one application for carbon nanotubes.
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19M.3.hl.TZ2.4e:
Carbon nanotubes are added to metals to increase tensile strength.
Write an equation for the formation of carbon nanotubes from carbon monoxide.
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19M.3.hl.TZ2.4e:
Carbon nanotubes are added to metals to increase tensile strength.
Write an equation for the formation of carbon nanotubes from carbon monoxide.
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19M.3.hl.TZ2.e:
Carbon nanotubes are added to metals to increase tensile strength.
Write an equation for the formation of carbon nanotubes from carbon monoxide.
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19M.3.sl.TZ1.6a:
Describe the structure and bonding of a carbon nanotube.
Structure:
Bonding:
-
19M.3.sl.TZ1.6a:
Describe the structure and bonding of a carbon nanotube.
Structure:
Bonding:
-
19M.3.sl.TZ1.a:
Describe the structure and bonding of a carbon nanotube.
Structure:
Bonding:
-
19M.3.sl.TZ1.6b:
Suggest one application for carbon nanotubes.
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19M.3.sl.TZ1.6b:
Suggest one application for carbon nanotubes.
-
19M.3.sl.TZ1.b:
Suggest one application for carbon nanotubes.
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19M.3.sl.TZ2.4e:
Carbon nanotubes are added to metals to increase tensile strength.
Write an equation for the formation of carbon nanotubes from carbon monoxide.
-
19M.3.sl.TZ2.4e:
Carbon nanotubes are added to metals to increase tensile strength.
Write an equation for the formation of carbon nanotubes from carbon monoxide.
-
19M.3.sl.TZ2.e:
Carbon nanotubes are added to metals to increase tensile strength.
Write an equation for the formation of carbon nanotubes from carbon monoxide.
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19N.3.sl.TZ0.3c:
Nanotubes are used to support the active material in nanocatalysts.
Explain why oxygen cannot be used for the chemical vapour deposition (CVD) preparation of carbon nanotubes.
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19N.3.sl.TZ0.3c:
Nanotubes are used to support the active material in nanocatalysts.
Explain why oxygen cannot be used for the chemical vapour deposition (CVD) preparation of carbon nanotubes.
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19N.3.sl.TZ0.c:
Nanotubes are used to support the active material in nanocatalysts.
Explain why oxygen cannot be used for the chemical vapour deposition (CVD) preparation of carbon nanotubes.
- 20N.3.sl.TZ0.4a: Explain these properties of carbon nanotubes.
- 20N.3.sl.TZ0.4a: Explain these properties of carbon nanotubes.
- 20N.3.sl.TZ0.a: Explain these properties of carbon nanotubes.
- 20N.3.hl.TZ0.4a: Explain these properties of carbon nanotubes.
- 20N.3.hl.TZ0.4a: Explain these properties of carbon nanotubes.
- 20N.3.hl.TZ0.a: Explain these properties of carbon nanotubes.