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Richard Feynman’s legacy

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Analogue computing

Force and particles

The existence of solids and liquids shows that there must be attractive forces between molecules. Thinking about large-scale properties of a liquid can provide insight into these forces at a molecular level

Figure 1 Amug brimful of water, showing the well-defined surface

The terms in bold link to topics in the AQA, Edexcel, OCR, WJEC and CCEA A-level specifications, as well as the IB, Pre-U and SQA specifications.

A liquid’s surface tension and latent heat of vaporisation can be related to a simple model of intermolecular force, enabling us to estimate the size and range of the force.

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Previous

Richard Feynman’s legacy

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Analogue computing

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