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4TH FORM CHEMISTRY - TOPIC 1: KINETIC THEORY

EVIDENCE FOR THE PARTICLE THEORY OF MATTER - HOMEWORK

NAME:

Today's practicals were intended to demonstrate some evidence for the particle theory of matter.
Like all scientific theories, it is not possible to prove it, however we can provide evidence that
supports…

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Dilution of Potassium Permanganate in Water

Observation

Describe clearly and accurately what was observed as the solution of Potassium Permanganate was
diluted.

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Deduction

What does this tell us about the size of a Potassium Permanganate molecule? Be as quantitative as
you can.

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Reacting Ammonia and…

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What does the fact that this ring forms tell us about what is happening to the two chemicals.
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Why does the ring form closer to one side than the other? What does this tell us about the diffusion
process and the speed of molecules at a given temperature?…

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