chemistry

Richard Felix Marchand

Richard Felix Marchand 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 Richard Felix Marchand rather than just read about it. In short: Richard Felix Marchand (August 25, 1813, Berlin – August 2, 1850, Halle an der Saale) was a German chemist. His son was the physician Felix Jacob Marchand (1846–1928).

Key takeaways

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

Reference excerpt

Richard Felix Marchand (August 25, 1813, Berlin – August 2, 1850, Halle an der Saale) was a German chemist. His son was the physician Felix Jacob Marchand (1846–1928). In 1840, Marchand was appointed professor at the University of Berlin. In 1843, he accepted an appointment as associate professor of chemistry at the University of Halle. In 1846, he became full professor there. Together with Otto Linné Erdmann, he was editor of the Journal für praktischen Chemie ("Journal of Practical Chemistry") from 1839. A large number of experimental scientific investigations are given by him in Annalen der Physik. He died in 1850 from cholera.

Published works Grundriß der organischen Chemie, 1839 – Outline of organic chemistry. Lehrbuch der physiologischen Chemie, 1844 – Textbook of physiological chemistry. Chemische tafeln zur berechnung der analysen, 1847 – Chemistry tables for calculation. Ueber die alchemie, 1847 – On alchemy. Ueber die Luftschifffahrt, 1850 – On airship travel.

References

External links

Worked examples

Example 1 — a first encounter with Richard Felix Marchand

Start with the simplest possible case. Write down what Richard Felix Marchand 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 Richard Felix Marchand 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 Richard Felix Marchand 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 Richard Felix Marchand

In research: Richard Felix Marchand 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 Richard Felix Marchand 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: Richard Felix Marchand is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1813 births, 1850 deaths, 19th-century German chemists, so understanding it makes those chapters shorter.
In everyday life: Look for Richard Felix Marchand 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 Richard Felix Marchand in 20 minutes

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

Frequently asked questions

What is Richard Felix Marchand in simple terms?

Richard Felix Marchand (August 25, 1813, Berlin – August 2, 1850, Halle an der Saale) was a German chemist. His son was the physician Felix Jacob Marchand (1846–1928).

Why does Richard Felix Marchand 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 Richard Felix Marchand?

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 Richard Felix Marchand.