Molecular Level - VisChem

Just the VisChem resources on Scootle

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  1. VisChem topic 13: redox reactions
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    M008664 VisChem topic 13: redox reactions

    • Published 19/04/2012
    • TLF-ID M008664

    This web page contains a video, animations and a student worksheet investigating the redox reaction between copper metal and silver ions. The animations show important molecular-level segments from the video.

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  2. VisChem topic 7: intermolecular forces
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    M008658 VisChem topic 7: intermolecular forces

    • Published 19/04/2012
    • TLF-ID M008658

    This web page contains animations demonstrating situations in which dispersion forces, ion-dipole forces and hydrogen bonding occur. Several animations show hydrated ions, and the effect of hydration on dissolving and reaction rates is discussed in explanatory text. A document containing lesson plans and student worksheets is also available.

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  3. VisChem topic 3: precipitation of an ionic salt
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    M008654 VisChem topic 3: precipitation of an ionic salt

    • Published 19/04/2012
    • TLF-ID M008654

    This web page contains a video clip, animations and student worksheets exploring the precipitation of silver chloride. The video has both filmed and animated scenes showing the process at observational and molecular levels. It explains how the reaction can be represented by a chemical equation.

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  4. VisChem topic 8: chemical properties of water and aqueous solutions
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    M008659 VisChem topic 8: chemical properties of water and aqueous solutions

    • Published 19/04/2012
    • TLF-ID M008659

    This web page contains video clips, animations and student worksheets that investigate the chemical properties of water and aqueous solutions. The major topics cover the structure and bonding of water, acids and bases, dissolving, ionic solutions, precipitation and complexation.

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  5. VisChem topic 11: dynamic chemical equilibrium
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    M008662 VisChem topic 11: dynamic chemical equilibrium

    • Published 19/04/2012
    • TLF-ID M008662

    This web page contains a video, animations and a student worksheet investigating the dynamic equilibrium associated with the iron(III) thiocyanate complex. The animations show important molecular-level segments from the video.

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  6. VisChem topic 6: molecular structure, shape and polarity
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    M008657 VisChem topic 6: molecular structure, shape and polarity

    • Published 19/04/2012
    • TLF-ID M008657

    This web page contains ten animations of molecules and compound ions as well as nine QTVR objects showing organic molecules. The animations rotate the molecules to show their structure fully. The QTVR objects can be manipulated by the user so that, as well as being rotated, different ways of modelling the molecules can be seen.

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  7. VisChem topic 9: physical properties of water
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    M008660 VisChem topic 9: physical properties of water

    • Published 19/04/2012
    • TLF-ID M008660

    This web page contains a video, animations and a student worksheet exploring the influence of structure and bonding on the physical properties of water. Two animations showing structure and bonding in oxygen are provided for comparison.

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  8. VisChem topic 14: structure and properties of carbon compounds
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    M008665 VisChem topic 14: structure and properties of carbon compounds

    • Published 19/04/2012
    • TLF-ID M008665

    This web page contains QTVR objects showing aspects of the structure of selected organic molecules. The QTVR objects can be manipulated by the user so that, as well as being rotated, different ways of modelling the molecules can be seen.

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  9. VisChem topic 2: dissolution of an ionic salt
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    M008653 VisChem topic 2: dissolution of an ionic salt

    • Published 19/04/2012
    • TLF-ID M008653

    This web page contains a video clip, animations and student worksheets exploring the dissolving of ionic solids in water. The video clip has both filmed and animated scenes that compare the dissolving of sodium chloride with melting and show how the dissolving process can be represented by chemical equations. Important stages of this process are depicted in the separate molecular-level animations.

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  10. VisChem topic 10: reactions of carbon compounds
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    M008661 VisChem topic 10: reactions of carbon compounds

    • Published 19/04/2012
    • TLF-ID M008661

    This web page contains animations showing reaction mechanisms for organic substitution, addition and elimination reactions. For most reactions there are two animations, one showing molecular models, and the other showing structural formulas with movement of electrons as bonds are rearranged.

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  11. VisChem topic 4: energy in chemical reactions
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    M008655 VisChem topic 4: energy in chemical reactions

    • Published 19/04/2012
    • TLF-ID M008655

    This web page contains a video and animations exploring the distribution of molecular kinetic energy in solid, liquid and gaseous water, as well as the changes in chemical energy during reactions. Four animations depict the reaction mechanisms and energy profiles involved in organic substitution reactions.

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  12. VisChem topic 5: factors affecting the rates of chemical reactions
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    M008656 VisChem topic 5: factors affecting the rates of chemical reactions

    • Published 19/04/2012
    • TLF-ID M008656

    This website contains seven animations depicting the factors that influence rates of organic chemical reactions. Three animations explore the significance of collision orientation, two the role of activation energy and two the effects of different solvents.

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  13. VisChem topic 12: acid-base reactions
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    M008663 VisChem topic 12: acid-base reactions

    • Published 19/04/2012
    • TLF-ID M008663

    This web page contains a video, animations and a student worksheet examining the proton-transfer reactions of acids and bases. Self-ionisation of water, acidity of hydrated metal ions, proton gain by ammonia molecules and proton loss from acetic acid are depicted. The animations show important molecular-level segments from the video.

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  14. VisChem topic1: chemical bonding in pure substances in different states
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    M008652 VisChem topic1: chemical bonding in pure substances in different states

    • Published 19/04/2012
    • TLF-ID M008652

    This web page contains a collection of animations depicting copper, sodium chloride, water and oxygen at the molecular level. The animations show the arrangement of atoms, molecules and ions in solid, liquid and gaseous states as well as illustrating changes of state. Two animations demonstrate alternative methods of representing the water molecule visually and symbolically.

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