Search for dissertations about: "Brønsted acid base"

Found 3 swedish dissertations containing the words Brønsted acid base.

  2. 1. Direct Catalytic Nucleophilic Substitution of Non-Derivatized Alcohols

    Author : Anon Bunrit; Joseph Samec; Joseph Moran; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; nucleophilic substitution; catalysis; alcohols; stereospecific; Lewis acid; Brønsted acid base; bifunctional; heterocycles; organisk kemi; Organic Chemistry;

    Abstract : This thesis focuses on the development of methods for the activation of the hydroxyl group in non-derivatized alcohols in substitution reactions. The thesis is divided into two parts, describing three different catalytic systems. READ MORE

  4. 2. Models in chemistry education : A study of teaching and learning acids and bases in Swedish upper secondary schools

    Author : Michal Drechsler; Jan van Driel; Helge Strömdahl; Ingo Eilks; Karlstads universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Chemistry Education; Chemistry; Kemi; Chemistry; Kemi;

    Abstract : This thesis reports an investigation of how acid-base models are taught and understood in Swedish upper secondary school. The definition of the concepts of acids and bases has evolved from a phenomenological level to an abstract (particle) level. Several models of acids and bases are introduced in Swedish secondary school. READ MORE

  5. 3. Binary mixtures and cationic modification of protic ionic liquids. Local structure and transport properties

    Author : Iqbaal Abdurrokhman; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; nuclear magnetic spectroscopy; cationic modification; triazolium; imidazolium; proton mobility; Protic ionic liquids; vibrational spectroscopy; impedance spectroscopy; binary mixtures; synthesis;

    Abstract : Protic ionic liquids are a subclass of ionic liquids, which in many cases are obtained by mixing an equimolar amount of Brønsted acid and base. Protic ionic liquids possess an exchangeable proton that gives them distinct features, e.g. READ MORE