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Author: Sarah Parkes

Cat Links Organic chemistry

The chemistry of amines

Posted on May 6, 2025May 6, 2025 Sarah Parkes

Amines are examples of organic nitrogen compounds and we can think of them as substituted ammonia molecules since they have

Continue readingThe chemistry of amines

Cat Links Newsletter

Don’t know what your calculations mean? You’re not alone!

Posted on April 25, 2025April 25, 2025 Sarah Parkes

I was working 1:1 with a student a few weeks ago on solubility product calculations.   I always like to start

Continue readingDon’t know what your calculations mean? You’re not alone!

Cat Links Analytical chemistry, Exam question practice, Spectroscopy

Mixed spectra long answer exam question practice

Posted on April 10, 2025April 14, 2025 Sarah Parkes

This is a set of more difficult long answer exam questions that require you to use data from mass spectra,

Continue readingMixed spectra long answer exam question practice

Cat Links Organic chemistry

Understanding the structure of benzene

Posted on March 31, 2025March 31, 2025 Sarah Parkes

Benzene, C6H6, is an aromatic organic molecule (the terms aromatic, arene and aryl compound are used interchangeably to classify benzene

Continue readingUnderstanding the structure of benzene

Cat Links Physical chemistry

What is a homogeneous catalyst?

Posted on March 3, 2025March 3, 2025 Sarah Parkes

Catalysts speed up reactions by providing an alternative pathway for the reaction with a lower activation energy, Ea, and the

Continue readingWhat is a homogeneous catalyst?

Cat Links Physical chemistry, Spectroscopy

How does electromagnetic radiation affect molecules?

Posted on February 28, 2025March 3, 2025 Sarah Parkes

The energy of molecules is quantised just as it is in atoms. When a molecule absorbs a photon of electromagnetic

Continue readingHow does electromagnetic radiation affect molecules?

Cat Links Physical chemistry

Explaining the electrolysis of molten ionic salts

Posted on February 17, 2025March 3, 2025 Sarah Parkes

Electrolysis is a non-spontaneous chemical process powered by electrical energy. The reactions happening at the electrodes in the electrolysis of

Continue readingExplaining the electrolysis of molten ionic salts

Cat Links Newsletter

Revise like a pro: how to make the most of past papers!

Posted on February 6, 2025February 6, 2025 Sarah Parkes

Past papers and mark schemes are super useful resources that you should be using throughout your A level course, not

Continue readingRevise like a pro: how to make the most of past papers!

Cat Links Newsletter

Flashcards are the ultimate study tool

Posted on December 9, 2024December 9, 2024 Sarah Parkes

if you know how to use them 😳 We all know how to make a flashcard. Question on one side,

Continue readingFlashcards are the ultimate study tool

Cat Links Fundamentals

Ionisation energy – true or false quiz!

Posted on November 14, 2024November 14, 2024 Sarah Parkes

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Recent Posts

  • The chemistry of amines
  • Don’t know what your calculations mean? You’re not alone!
  • Mixed spectra long answer exam question practice
  • Understanding the structure of benzene
  • What is a homogeneous catalyst?

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