• Study Resource
  • Explore Categories
    • Arts & Humanities
    • Business
    • Engineering & Technology
    • Foreign Language
    • History
    • Math
    • Science
    • Social Science

    Top subcategories

    • Advanced Math
    • Algebra
    • Basic Math
    • Calculus
    • Geometry
    • Linear Algebra
    • Pre-Algebra
    • Pre-Calculus
    • Statistics And Probability
    • Trigonometry
    • other →

    Top subcategories

    • Astronomy
    • Astrophysics
    • Biology
    • Chemistry
    • Earth Science
    • Environmental Science
    • Health Science
    • Physics
    • other →

    Top subcategories

    • Anthropology
    • Law
    • Political Science
    • Psychology
    • Sociology
    • other →

    Top subcategories

    • Accounting
    • Economics
    • Finance
    • Management
    • other →

    Top subcategories

    • Aerospace Engineering
    • Bioengineering
    • Chemical Engineering
    • Civil Engineering
    • Computer Science
    • Electrical Engineering
    • Industrial Engineering
    • Mechanical Engineering
    • Web Design
    • other →

    Top subcategories

    • Architecture
    • Communications
    • English
    • Gender Studies
    • Music
    • Performing Arts
    • Philosophy
    • Religious Studies
    • Writing
    • other →

    Top subcategories

    • Ancient History
    • European History
    • US History
    • World History
    • other →

    Top subcategories

    • Croatian
    • Czech
    • Finnish
    • Greek
    • Hindi
    • Japanese
    • Korean
    • Persian
    • Swedish
    • Turkish
    • other →
 
Profile Documents Logout
Upload
Slide 1
Slide 1

... EUKARYOTIC Cellular Respiration 2015 Intended Learning Outcomes: Students should be able to… 7. Explain and interpret diagrams of each of the following pathways: glycolysis, fermentation, Kreb’s cycle, and the electron transport chain by doing the following: a. start and end carbon sources (molecule ...
Biology 2 –Quiz 7 Cellular Respiration Name: Date: For the
Biology 2 –Quiz 7 Cellular Respiration Name: Date: For the

... 10. Glucose, made from six radioactively labeled carbon atoms, is fed to yeast cells in the absence of oxygen. How many molecules of radioactive alcohol (C2H5OH) are formed from each molecule of glucose? a. 0 b. 1 c. 2 d. 6 11. Which of the following produces the most ATP per gram? a. Glucose, becau ...
Summary of Herbicide Mechanism of Action According to the Weed
Summary of Herbicide Mechanism of Action According to the Weed

... in the first excited singlet state transform into the excited triplet state (3Chl). This energized 3Chl can interact with ground state molecular oxygen (O2)to form 1O2. In healthy plants, the energy of 1O2 is safely quenched by carotenoids and other protective molecules. Carotenoids are largely abse ...
SOLANUM SURATTENSE IMPORTANT MEDICINAL PLANT Original Article
SOLANUM SURATTENSE IMPORTANT MEDICINAL PLANT Original Article

... with antioxidant potential have strong protective effects against major disease risks caused due to oxidative stress [5]. The protective action of those plants has been attributed to the presence of antioxidants, especially polyphenolic compounds and antioxidant vitamins, including vitamin C, vitamin ...
Unit 1 Powerpoint
Unit 1 Powerpoint

... Scientists show the composition of compounds by a kind of shorthand known as a chemical formula. Water, which contains two atoms of hydrogen for each atom of oxygen, has the chemical formula =H2O. The formula for table salt, NaCl, indicates that the elements that make up table salt—sodium and chlori ...
Odd Number of Electrons
Odd Number of Electrons

... 2. Usually expressed as the energy needed to break one mole of bonds. 3. A large bond dissociation energy corresponds to a strong covalent bond. 4. High dissociation energies tend to create very stable compounds that tend to be chemically unreactive. 5. Units are measured in kJ/mo1 6. A mol is a che ...
FYBSc Revised Syllabus
FYBSc Revised Syllabus

... 2.5.2. Acetylation of amines with acetic anhydride and acetyl chloride, Action of nitrous acid on primary, secondary and tertiary amines, Methylation of primary, secondary and tertiary amines, yielding quaternary ammonium salts; Hoffmann elimination. Note: Each reaction should be studied with respec ...
Oxidation and Reduction
Oxidation and Reduction

... c. Does the oxidation number of an atom involved in the process of oxidation increase or decrease? ...
Cellular respiration
Cellular respiration

... 8. Chemical reactions of citric acid cycle produces CO2, ATP, and NADPH. 9. Kreb’s cycle is the reason for the carbon dioxide you exhale. 10. Kreb’s cycle is used to convert any molecule into another molecule. 11. Kreb’s cycle is involved in anabolizing and catabolizing proteins, fats, carbohydrates ...
Respiration of Glucose: The first stage of glucose metabolism is: is
Respiration of Glucose: The first stage of glucose metabolism is: is

... Respiration of Glucose: The first stage of glucose metabolism is: All steps are reversible except step #s ...
Cellular Respiration Chapter 9
Cellular Respiration Chapter 9

... Cellular Respiration Overall Equation 6O2 + C6H12O6  6CO2 + 6H2O + Energy ...
Key - UCSB CLAS
Key - UCSB CLAS

... Chem 109C - CLAS – Ch 24 - Key ...
Organic Review Worksheet and Problem Set
Organic Review Worksheet and Problem Set

... Reduction: a decrease in the number of bonds to oxygen Redox reactions are electron transfer reactions Each atom involved in a redox reaction can be assigned an “oxidation state” to help keep track of the movement of electrons for the reaction. Remember that all atoms consist of a nucleus (containin ...
Slid 7 Hops
Slid 7 Hops

... under the effect of delta 9 desaturase enzyme. (Oleic acid is an unsaturated fatty acid contains one double bond at carbon number 9) 3-Under the effect of delta 12 deasturase enzyme, our oleic acid is converted to linoleic acid. (Linoleic acid is an unsaturated fatty acid contains two double bonds a ...
bonding and geometry
bonding and geometry

... electrons between two atoms  The bonding pair of electrons is shared between both elements, but each atom is tugging on the bonding pair  When atoms in a molecule are the same (diatomic) the bonding pair is shared equallythis bond is called non polar covalent  When atoms in a molecule are differ ...
Chemical Reactions
Chemical Reactions

... (BrINClHOF) For example, Oxygen is O2 as an element. In a compound, it can’t be a diatomic element because it’s not an element anymore, it’s a compound! ...
Mitochondria
Mitochondria

... generated from a single glucose molecule in humans. How are those 28 other ATPs obtained? The answer is found by following the reducing coenzymes to their final destination in another region of the mitochondrion: the electron transport chain. How the Mitochondria Make ATP, Part Two: The Electron Tra ...
Glucosamine (Bova Poly Joint Injection)
Glucosamine (Bova Poly Joint Injection)

... Glucosamine is used by cartilage cells to produce glycosaminoglycans and hyaluronic acid. Glucosamine also has mild anti-inflammatory as it can scavenge free radicals. In a normal joint, chondrocytes produces glucosamine, however this ability is reduced with trauma, disease and/or age. Horses The Bov ...
CHEM 1816 Organic Chemistry II - Description
CHEM 1816 Organic Chemistry II - Description

... 1. Explain the electromagnetic spectrum and identify the area of the spectrum used for each spectroscopic method used in organic chemistry. 2. Interpret molecular structure based on the combination of IR, NMR, and MS data. Any combination of spectra may be used for structure elucidation. 3. Apply de ...
Predicting Reactions • AP Chemistry CLASSIFYING REACTIONS
Predicting Reactions • AP Chemistry CLASSIFYING REACTIONS

... Sn° and gases like O2, F2, Cl2 the ions usually form oxidize to the “-ic” ion. Example: 2Fe°(s) + 3Cl2(g) + heat 2FeCl3(s) 2. When you identify an oxidation product, make certain you also have a reduction product. Ex: “Free halogens + dilute OH- hypohalite ions," the halide ions (such as Cl-) as a p ...
Covalent Bonding
Covalent Bonding

... Group 1 and 17 elements are always at ends Atoms that are less numerous are usually in the middle Hydrogen always forms one single bond Oxygen has two bonding electrons and two lone pairs Nitrogen has three bonding electron and one lone pair Group 13 elements have three bonding electrons and z ...
Cellular Respiration PowerPoint review
Cellular Respiration PowerPoint review

... Section 9-2 ...
Chem Review
Chem Review

... 8. Which of the following is not true about electrons? a. They take part in bonding b. They like to pair up c. They have equal attraction to all elements d. They fill the orbitals in a specific order e. They can be transferred or shared 9. The order electrons fill orbitals is: a. 1s 2s 3s 3g 4s 5f 6 ...
Chapter 9: How Cells Harvest Chemical Energy
Chapter 9: How Cells Harvest Chemical Energy

... a. Electrons passed on to a series of , carrier molecules b. Lose energy by driving a series of transmembrane 4. Series collectively called the a. Terminal step is cytochrome c oxidase complex b. Four electrons reduce one molecule of oxygen gas to form water 5. Final products of oxidative metabolism ...
1 Towards Predictive Modeling of Electron Transfer Alan T. Stone
1 Towards Predictive Modeling of Electron Transfer Alan T. Stone

... bonding (15 kcal mol-1). Thus, in the context of Marcus’ Electron Transfer Cross Relation (15), any outer-sphere electron transfer process involving O2 or O2•– will have an intrinsic barrier of at least 30 kcal mol-1 from O2 plus an additional contribution from the metal. Inner sphere processes have ...
< 1 ... 36 37 38 39 40 41 42 43 44 ... 74 >

Radical (chemistry)



In chemistry, a radical (more precisely, a free radical) is an atom, molecule, or ion that has unpaired valency electrons.With some exceptions, these unpaired electrons make free radicals highly chemically reactive towards other substances, or even towards themselves: their molecules will often spontaneously dimerize or polymerize if they come in contact with each other. Most radicals are reasonably stable only at very low concentrations in inert media or in a vacuum.A notable example of a free radical is the hydroxyl radical (HO•), a molecule that has one unpaired electron on the oxygen atom. Two other examples are triplet oxygen and triplet carbene (:CH2) which have two unpaired electrons. In contrast, the hydroxyl anion (HO−) is not a radical, since the unpaired electron is resolved by the addition of an electron; singlet oxygen and singlet carbene are not radicals as the two electrons are paired.Free radicals may be created in a number of ways, including synthesis with very dilute or rarefied reagents, reactions at very low temperatures, or breakup of larger molecules. The latter can be affected by any process that puts enough energy into the parent molecule, such as ionizing radiation, heat, electrical discharges, electrolysis, and chemical reactions. Indeed, radicals are intermediate stages in many chemical reactions.Free radicals play an important role in combustion, atmospheric chemistry, polymerization, plasma chemistry, biochemistry, and many other chemical processes. In living organisms, the free radicals superoxide and nitric oxide and their reaction products regulate many processes, such as control of vascular tone and thus blood pressure. They also play a key role in the intermediary metabolism of various biological compounds. Such radicals can even be messengers in a process dubbed redox signaling. A radical may be trapped within a solvent cage or be otherwise bound.Until late in the 20th century the word ""radical"" was used in chemistry to indicate any connected group of atoms, such as a methyl group or a carboxyl, whether it was part of a larger molecule or a molecule on its own. The qualifier ""free"" was then needed to specify the unbound case. Following recent nomenclature revisions, a part of a larger molecule is now called a functional group or substituent, and ""radical"" now implies ""free"". However, the old nomenclature may still occur in the literature.
  • studyres.com © 2025
  • DMCA
  • Privacy
  • Terms
  • Report