chemistry

Trinickel boride

Trinickel boride 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 Trinickel boride rather than just read about it. In short: Trinickel boride is a compound of nickel and boron with chemical formula Ni3B. It is one of the borides of nickel.

Key takeaways

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

Reference excerpt

Trinickel boride is a compound of nickel and boron with chemical formula Ni3B. It is one of the borides of nickel. The compound was described in 1959 by R. Fruchart, S. Rundquist, and L. H. Anderson and R. Kiessling. It is a hard solid with the cementite crystal structure.

Synthesis Trinickel boride can be obtained, as grains embedded in a nickel matrix, by heating Brown's P-1 and P-2 "nickel boride"catalyst to 250 °C. This catalyst is produced by reduction of nickel salts with sodium borohydride. Trinickel boride can be obtained also by compressing nickel and boron powders with explosives. Recently it has been found that Ni3B can be formed (together with other nickel borides) by heating sodium borohydride with powdered nickel metal to 670 °C in a closed vessel, so that the released hydrogen creates a pressure of up to 3.4 MPa. The main reactions can be summarized as

2NaBH4 ↔ 2NaH + B2H6 3Ni + 2B2H6 + NaH ↔ Ni3B + 3BH3 + 2H2 + Na but other reactions occur, yielding other borides.

Illustrations

Worked examples

Example 1 — a first encounter with Trinickel boride

Start with the simplest possible case. Write down what Trinickel boride 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 Trinickel boride 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 Trinickel boride 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 Trinickel boride

In research: Trinickel boride 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 Trinickel boride 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: Trinickel boride is common in secondary-school and first-year university syllabi. It links to neighbouring topics Borides, Nickel compounds, so understanding it makes those chapters shorter.
In everyday life: Look for Trinickel boride 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 Trinickel boride in 20 minutes

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

Frequently asked questions

What is Trinickel boride in simple terms?

Trinickel boride is a compound of nickel and boron with chemical formula Ni3B. It is one of the borides of nickel.

Why does Trinickel boride 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 Trinickel boride?

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 Trinickel boride.