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Tag: entropy

Cat Links Physical chemistry

Why don’t reactions at equilibrium go to completion?

Posted on August 4, 2022October 2, 2024 Sarah Parkes

To complete our understanding of systems that have achieved equilibrium, we need to look at the position of equilibrium through

Continue readingWhy don’t reactions at equilibrium go to completion?

Cat Links Calculations, Exam question practice, Physical chemistry

Why are ionic compounds soluble? (part 2)

Posted on April 19, 2022February 6, 2025 Sarah Parkes

For a full understanding of why ionic compounds are soluble we need to consider both the enthalpy and entropy changes

Continue readingWhy are ionic compounds soluble? (part 2)

Cat Links Calculations, Exam question practice, Physical chemistry

What is Gibbs free energy?

Posted on April 13, 2022April 24, 2025 Sarah Parkes

The change in Gibbs free energy, ΔG, is a convenient way to determine whether a reaction is spontaneous or feasible

Continue readingWhat is Gibbs free energy?

Cat Links Calculations, Exam question practice, Physical chemistry

How to determine the temperature at which a reaction is feasible

Posted on April 13, 2022April 24, 2025 Sarah Parkes

A spontaneous or feasible process must be accompanied by a positive change in total entropy (entropy of the universe). Whether

Continue readingHow to determine the temperature at which a reaction is feasible

Cat Links Physical chemistry

Understanding entropy

Posted on April 12, 2022October 2, 2024 Sarah Parkes

Why does water freeze when you place it in a freezer? Certainly not because the freezer sucks the heat out

Continue readingUnderstanding entropy

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