My research interests have been in the area of high-resolution nuclear magnetic resonance (NMR) spectroscopy, particularly in the development and application of new techniques. Some of our publications and associated software, as well as older lecture notes from various NMR summer schools, are available on the group web server. If you carry out an investigation you will record evidence of any changes. The evidence you record is called data and it may be quantitative or qualitative. Bubbles – Many chemical reactions you see in the science lab make a chemical which is a gas, so you see bubbles. Entropy generally increases in reactions in which the total number of product molecules is greater than the total number of reactant molecules. An exception to this rule is when nongaseous products are formed from gaseous reactants. Every day in my kitchen there’s reactions happening all around me all the time, from me coming in lighting the stove, baking, cooking.

Why chemical reactions happen : Keeler, James : Free Download Why chemical reactions happen : Keeler, James : Free Download

I'mlookingintoreading'WhyChemicalReactionsHappen'byJamesKeelerandPeterWothers,becauseitseemsreallyinterestingandIwantsomethingchallengingtoread. It is pertinent to ask ‘why do reactions happen?’ The answer is that a chemical reaction will take place if it leads to a decrease in free energy. Free energy changes can be thought of as the thermodynamic driving forces behind all reactions. This is true not only of chemical reactions, of course. A decrease in energy is the driving force behind all physical processes. For example, apples fall out of trees because they move to a position of lower gravitational energy in this way. Entropy increases when a substance is broken up into multiple parts. The process of dissolving increases entropy because the solute particles become separated from one another when a solution is formed. An example of a very simple spontaneous process is that of a melting ice cube. Energy is transferred from the room to the ice cube, causing it to change from the solid to the liquid state.

Chemical reactions help us understand the properties of matter. By studying the way a sample interacts with other matter, we can learn its chemical properties. These properties can be used to identify an unknown specimen or to predict how different types of matter might react with each other.

Why Chemical Reactions Happen - Reasonable Deviations Why Chemical Reactions Happen - Reasonable Deviations

I started my new role as Head of the Department of Chemistry on 1 October 2018. My aim is to continue the work of Professor John Pyle and his predecessors in fostering the success and ambition of the Department, and in ensuring that it remains an excellent place to work and study. Teaching Because I was considering a career as an actuary, I thought it might be interesting to take one of the exams to get a better understanding of the material. Following the ‘study plan’ from the Institute and Faculty of Actuaries, I was torn between CT1 (financial maths) and CT3 (statistics). I decided to choose CT1, because I was already confident with the CT3 content, so I thought that I would learn more from studying CT1.

Reversibility and equilibrium

Chemical reactions are how new forms of matter are made. While nuclear reactions also may produce new matter, nearly all the substances you encounter in daily life are the result of chemical changes. An acquaintance of mine was once having trouble wrapping their head around the Binomial Theorem. As someone who likes maths (and likes teaching people maths), I wanted to come up with an intuitive explanation. CT1 Financial Mathematics A colour change – If the new chemicals are a different colour from the original chemicals, there will be a colour change. In January 2015, when I was examining the reading lists for Cambridge and reading example personal statements for Natural Sciences, I noticed that a common denominator was the book Why Chemical Reactions Happen, by Keeler and Wothers. I proceeded to read the first two chapters, and was able to easily follow the physics-based reasoning. I therefore listed it on my UCAS personal statement, with the full intention of reading the whole thing before the interview. However, after the first few chapters, the material becomes rather dense (especially with the focus on MO theory). I did endure through it, and made some notes along the way. The notes are quite verbose, because the book itself is quite succinct anyway. I wasn’t asked anything about the book in my interview, which I suppose is fortunate because I would have probably struggled.