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1. Density change effects on mass-volume relationship, particle arrangement, inter-particle spacing, compressibility
2. Gas behavior under compression: effect of force on volume and pressure, use of syringes, relevance to Boyle’s law
3. Factors affecting gas expansion: temperature, molecular motion, kinetic energy, particle distance
4. Observations of diffusion in gases and liquids: rate differences, molecular weight influence, potassium manganate(VII) in water
5. Properties of solids, liquids, gases: shape and volume retention, compressibility, particle movement
6. Particle theory applications: melting, boiling, evaporation, condensation, sublimation, energy changes, phase transitions

Edexcel International AS/A Level Biology (WBI) Jan 2023 Biology (WBI) directory

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Biology WBI13/01 January 2023 | Edexcel International AS Level Past Papers With Mark Scheme

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