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The Haber process is an example of a reversible reaction where the reactants react to form the product and simultaneously the product reacts back to form the reactants. As a reversible reaction progresses...

The most important thing about an introduction is instilling a confidence in the reader or marker that you know what you are writing about, rather than making it up as you go along. Therefore it is often ...

Utilitarianism is a consequential theory which looks at bringing the greatest happiness to the greatest amount of people following the greatest happiness principle. It is a relativist theory which means i...

A question asking you to "explain how" or "explain why" (6 or 8 marks) might seem simpler than the longer-answer questions, but it is still testing the same skills: development of poin...

The sun provides the initial energetic input for most terrestrial and aquatic ecosystems. Producers (commonly green plants) transform sunlight into food via photo...