chemistry

Hermann Josef Schnell

Hermann Josef Schnell 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 Hermann Josef Schnell rather than just read about it. In short: Hermann Schnell ( 16. September March 1916 – 7 September 1999) was a German organic chemist who developed the first commercial polycarbonate, Makrolon.

Key takeaways

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

Reference excerpt

Hermann Schnell ( 16. September March 1916 – 7 September 1999) was a German organic chemist who developed the first commercial polycarbonate, Makrolon. Hermann Schnell studied chemistry at the University of Freiberg. His supervisor was Hermann Staudinger a well-known polymer chemist. After his phd he worked in the research laboratory of the Bayer AG in Uerdingen, starting in 1946. In 1953 he developed the synthesis of polycarbonates by reacting phosgene with bisphenol A. This material marketed as Makrolon was a commercial success.

References Wolfgang Göbel (2007). "Schnell, Hermann". Neue Deutsche Biographie (in German). Vol. 23. Berlin: Duncker & Humblot. pp. 315–316. (full text online).

Worked examples

Example 1 — a first encounter with Hermann Josef Schnell

Start with the simplest possible case. Write down what Hermann Josef Schnell 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 Hermann Josef Schnell 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 Hermann Josef Schnell 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 Hermann Josef Schnell

In research: Hermann Josef Schnell 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 Hermann Josef Schnell 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: Hermann Josef Schnell is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1916 births, 1999 deaths, 20th-century German chemists, so understanding it makes those chapters shorter.
In everyday life: Look for Hermann Josef Schnell 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 Hermann Josef Schnell in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Hermann Josef Schnell 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 Hermann Josef Schnell out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Hermann Josef Schnell in simple terms?

Hermann Schnell ( 16. September March 1916 – 7 September 1999) was a German organic chemist who developed the first commercial polycarbonate, Makrolon.

Why does Hermann Josef Schnell 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 Hermann Josef Schnell?

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 Hermann Josef Schnell.