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Chemical kinetics - Wikipedia


Chemical kinetics, also known as reaction kinetics, is the study of rates of chemical processes. ... The main factors that influence the reaction rate include: the physical state of the reactants, t...

What is most important factors in determining whether a chemical ...


concentration and quantity ... is most important factors in determining whether a chemical reaction will occur? ... Making the world better, one answer at a time.

Free Energy - Shmoop Biology


ΔG tells us whether a reaction will proceed or not, which is a nice thing to know. ... The only way that an endergonic reaction can occur spontaneously is if it is ... the energy gained from a downhill reaction (a spontaneous and favorable one), ... This need is what makes free energy such an important factor in the equation.

Substitution reactions - Introduction to organic chemistry


Substitution reactions occur when one functional group replaces another in a ... the most important factor in determining whether an SN2 reaction will occur is ...

Biochemical Energetics - Molecular Cell Biology - NCBI Bookshelf


Indeed, most of the biochemical reactions described in this book involve the making ... A second biologically important form of potential energy, to which we shall refer ... If ΔG is negative for a chemical reaction or mechanical process, the forward ... two factors determine the ΔG of a reaction and thus whether the reaction will ...

Comparing the SN1 and SN2 Reactions — Master Organic Chemistry


Aug 8, 2012 ... What's the one key factor that can prevent this reaction from occurring? ... Remember that SN1 and SN2 reactions only occur for alkyl halides (and related ... where steric hinderance of the base/nu: will most likely lead to an E2 rxn, b/c ... Since the rate-determining step of SN1 and E1 reactions is formation of ...



Many chemical events occur spontaneously, meaning on their own, without the ... It is important to know that: if a reaction or change is spontaneous in one ..... Most of what we have discussed this far has been focusing on the system. ..... will be the determining factors in whether or not the overall reaction is spontaneous.

Biochemistry/Thermodynamics - Wikibooks, open books for an open ...


1.1 Enthalpy; 1.2 Entropy; 1.3 Gibbs Free Energy; 1.4 What Does ΔG Really Mean? ... Chemical (and thus, biochemical) reactions only occur to a significant extent if they are ... There are two factors that determine whether or not reactions changing ... Most people have an intuitive understanding of what heat is... we learn as ...

Understanding Toxic Substances - Labor & Industries


only one factor in determining whether a hazard exists. The hazard of a ... reaction and interaction: other substances you are exposed to at the same time, and, ... The most important factor in toxicity is the chemical structure of a substance-what it is made of, what .... Latency: How long does it take for a toxic effect to occur?

High Blood Cholesterol Levels - In-Depth Report - NY Times Health


They can be further defined by whether they carry cholesterol or triglycerides. ... in the body that occurs from chemical combinations with unstable molecules. .... The LDL cholesterol level is one of the most important factors in determining ...

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Factors That Affect Reaction Rates - Chemistry LibreTexts


Jul 2, 2014 ... Factors that influence the reaction rates of chemical reactions include ... it gives us no information about whether or how fast a given reaction will occur. ... In systems where more than one reaction is possible, the same reactants can produce .... Solvent viscosity is also important in determining reaction rates.

What Makes Chemicals Poisonous : OSH Answers


No chemical can cause poisonous effects without first coming into contact with the body. ... the single most important factor which determines whether a chemical will cause poisoning. ... Toxicologists often use animal tests to determine whether small or large .... Chronic toxicity is thought to occur in one of two main ways.

Chemical Reactivity - MSU Chemistry


Reagent: A common partner of the reactant in many chemical reactions. ... If you scan any organic textbook you will encounter what appears to be a very large, ... Most of these reactions occur at special sites of reactivity known as functional ..... To determine whether a carbon atom has undergone a redox change during a ...