chemistry

Margaret Douie Dougal

Margaret Douie Dougal is a chemistry topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Margaret Douie Dougal rather than just read about it. In short: Margaret Douie Dougal (1858 or 1859 – 1938, née Robertson, later Chaplin) was a British chemical publication indexer for fifteen years (1885–1909) for the Chemical Society. Dougal contributed to the compilation of volumes i-iii of A Collective Index of the Transactions, Proceedings and Abstracts of the Chemical Society.

Key takeaways

Margaret Douie Dougal belongs to chemistry; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Margaret Douie Dougal to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Margaret Douie Dougal from memory before moving on to harder problems.

Reference excerpt

Margaret Douie Dougal (1858 or 1859 – 1938, née Robertson, later Chaplin) was a British chemical publication indexer for fifteen years (1885–1909) for the Chemical Society. Dougal contributed to the compilation of volumes i-iii of A Collective Index of the Transactions, Proceedings and Abstracts of the Chemical Society. The then president of the Chemical society, Sir James Dewar, congratulated Dougal for her work as "an example of thoroughness and accuracy to her successors." The collected decennial indices were also prepared by Dougal; at the 1906 Annual Meeting of the Chemical Society it was noted that the Council "had pleasure in expressing the high appreciation of the ceaseless energy displayed by the indexer, Mrs. Margaret Dougal, on the completion of this valuable work." Under Thomas Edward Thorpe, Dougal conducted inorganic chemistry research of mixed salts of chromium by testing their compositions. Research she conducted also provided insight on the stress and fracturing behavior of iron in Scottish craftsmanship and manufacturing in 1892. Dougal was born Margaret Douie Robertson in Singapore in 1858 or 1859, the daughter of J.H. Robertson M.D.. She married William Dougal and, after his death, married Arnold Chaplin M.D. F.R.C.P. on 29 July 1909. She died in London on 9 November 1938 at the age of 79.

References

Worked examples

Example 1 — a first encounter with Margaret Douie Dougal

Start with the simplest possible case. Write down what Margaret Douie Dougal claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In chemistry, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Margaret Douie Dougal before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Margaret Douie Dougal ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Margaret Douie Dougal

In research: Margaret Douie Dougal appears in chemistry research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Margaret Douie Dougal in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Margaret Douie Dougal is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1850s births, 1938 deaths, 19th-century British chemists, so understanding it makes those chapters shorter.
In everyday life: Look for Margaret Douie Dougal outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Margaret Douie Dougal in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Margaret Douie Dougal means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Margaret Douie Dougal out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Margaret Douie Dougal in simple terms?

Why does Margaret Douie Dougal matter?

Because it connects several chemistry ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Margaret Douie Dougal?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Margaret Douie Dougal.