Subjects -> EDUCATION (Total: 2539 journals)
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EDUCATION (2178 journals)                  1 2 3 4 5 6 7 8 | Last

Showing 1 - 200 of 857 Journals sorted alphabetically
#Tear : Revista de Educação, Ciência e Tecnologia     Open Access   (Followers: 5)
(Pensamiento), (palabra) y obra     Open Access   (Followers: 2)
21. Yüzyılda Eğitim Ve Toplum Eğitim Bilimleri Ve Sosyal Araştırmalar Dergisi     Open Access  
21st Century Pedagogy     Open Access   (Followers: 4)
@tic. revista d'innovació educativa     Open Access  
Abant İzzet Baysal Üniversitesi Eğitim Fakültesi Dergisi     Open Access   (Followers: 2)
ABDIMAS ALTRUIS : Jurnal Pengabdian Kepada Masyarakat     Open Access  
Abdimas Toddopuli : Jurnal Pengabdian Pada Masyarakat     Open Access   (Followers: 8)
About Campus     Hybrid Journal   (Followers: 8)
Academic Medicine     Hybrid Journal   (Followers: 75)
Academic Psychiatry     Full-text available via subscription   (Followers: 32)
Academic Questions     Hybrid Journal   (Followers: 9)
Academy of Educational Leadership Journal     Full-text available via subscription   (Followers: 64)
Academy of Management Learning and Education     Full-text available via subscription   (Followers: 64)
Accounting & Finance     Hybrid Journal   (Followers: 60)
Accounting Education: An International Journal     Hybrid Journal   (Followers: 23)
Açıköğretim Uygulamaları ve Araştırmaları Dergisi     Open Access  
ACM Transactions on Computing Education (TOCE)     Hybrid Journal   (Followers: 11)
Acta Científica : Ciências Humanas     Open Access   (Followers: 2)
Acta Didactica Norge     Open Access   (Followers: 2)
Acta Educationis Generalis     Open Access  
Acta Paedagogica Vilnensia     Open Access   (Followers: 1)
Acta Scientiarum. Education     Open Access  
Action in Teacher Education     Hybrid Journal   (Followers: 76)
Action Learning: Research and Practice     Hybrid Journal   (Followers: 43)
Action Research     Hybrid Journal   (Followers: 51)
Active Learning in Higher Education     Hybrid Journal   (Followers: 360)
Actualidades Pedagógicas     Open Access  
Adelphi series     Hybrid Journal   (Followers: 14)
Adiyaman University Journal of Educational Sciences     Open Access   (Followers: 1)
Administração Educacional     Open Access  
Administration & Society     Hybrid Journal   (Followers: 14)
Administrative Science Quarterly     Full-text available via subscription   (Followers: 235)
Adult Education Quarterly     Hybrid Journal   (Followers: 238)
Advanced Education     Open Access   (Followers: 15)
Advances in Building Education     Open Access   (Followers: 7)
Advances in Health Sciences Education     Hybrid Journal   (Followers: 36)
Advances in High Energy Physics     Open Access   (Followers: 23)
Advances in School Mental Health Promotion     Partially Free   (Followers: 12)
AERA Open     Open Access   (Followers: 10)
Africa Education Review     Hybrid Journal   (Followers: 30)
African Journal of Chemical Education     Open Access   (Followers: 5)
African Journal of Educational Studies in Mathematics and Sciences     Full-text available via subscription   (Followers: 9)
African Journal of Health Professions Education     Open Access   (Followers: 6)
African Journal of Research in Mathematics, Science and Technology Education     Hybrid Journal   (Followers: 10)
African Journal of Teacher Education     Open Access   (Followers: 1)
Agora     Full-text available via subscription   (Followers: 6)
AGORA Magazine     Open Access  
Ahi Evran Üniversitesi Kırşehir Eğitim Fakültesi Dergisi     Open Access  
Ahmad Dahlan Journal of English Studies     Open Access   (Followers: 3)
AIDS Education and Prevention     Full-text available via subscription   (Followers: 8)
Ainedidaktiikka     Open Access  
Akadémiai Értesítö     Full-text available via subscription  
Akademos     Open Access   (Followers: 1)
AKSIOMA Journal of Mathematics Education     Open Access   (Followers: 3)
AKSIOMATIK : Jurnal Penelitian Pendidikan dan Pembelajaran Matematika     Open Access   (Followers: 1)
Aksis : Jurnal Pendidikan Bahasa dan Sastra Indonesia     Open Access  
Al-Athfaal : Jurnal Ilmiah Pendidikan Anak Usia Dini     Open Access   (Followers: 3)
Al-Bahith Journal     Open Access   (Followers: 1)
Al-Fikrah     Open Access   (Followers: 4)
Al-Idarah : Jurnal Kependidikan Islam     Open Access  
Al-Jabar : Jurnal Pendidikan Matematika     Open Access   (Followers: 1)
Al-Mudarris : Journal of Education     Open Access   (Followers: 1)
Al-Tadris : Jurnal Pendidikan Bahasa Arab     Open Access  
Al-Tadzkiyyah : Jurnal Pendidikan Islam     Open Access  
Al-Tanzim : Jurnal Manajemen Pendidikan Islam     Open Access  
Al.Qadisiya journal for the Sciences of Physical Education     Open Access   (Followers: 1)
Alan Eğitimi Araştırmaları Dergisi     Open Access  
Alberta Journal of Educational Research     Full-text available via subscription   (Followers: 3)
Aldaba     Open Access   (Followers: 1)
Alexandria : Revista de Educação em Ciência e Tecnologia     Open Access  
Alotrop     Open Access  
Alsic : Apprentissage des Langues et Systèmes d'Information et de Communication     Open Access   (Followers: 17)
Alteridad     Open Access  
Amasya Universitesi Egitim Fakültesi Dergisi     Open Access  
Ambiente & Educação : Revista de Educação Ambiental     Open Access  
American Annals of the Deaf     Full-text available via subscription   (Followers: 17)
American Biology Teacher     Full-text available via subscription   (Followers: 14)
American Educational Research Journal     Hybrid Journal   (Followers: 229)
American Journal of Business Education     Open Access   (Followers: 16)
American Journal of Distance Education     Hybrid Journal   (Followers: 34)
American Journal of Education     Full-text available via subscription   (Followers: 268)
American Journal of Educational Research     Open Access   (Followers: 70)
American Journal of Health Education     Hybrid Journal   (Followers: 35)
American Journal of Physics     Full-text available via subscription   (Followers: 54)
American String Teacher     Full-text available via subscription   (Followers: 2)
Ana Dili Eğitimi Dergisi / Journal of Mother Tongue Education     Open Access  
Anadolu Journal Of Educational Sciences International     Open Access  
Anadolu University Journal of Education Faculty     Open Access  
ANALES de la Universidad Central del Ecuador     Open Access   (Followers: 4)
Anargya : Jurnal Ilmiah Pendidikan Matematika     Open Access   (Followers: 3)
Annales Universitatis Mariae Curie-Sklodowska, sectio N – Educatio Nova     Open Access  
Annali dell'Universita di Ferrara     Hybrid Journal  
Annals of Dyslexia     Hybrid Journal   (Followers: 11)
Annals of Modern Education     Full-text available via subscription   (Followers: 6)
Antistasis : An Open Educational Journal     Open Access   (Followers: 4)
Anuario Pilquen : Sección Divulgación Científica     Open Access  
Apertura. Revista de innovación educativa‏     Open Access   (Followers: 3)
Apex : New Zealand Journal of Gifted Children     Open Access   (Followers: 1)
Applied Environmental Education & Communication     Hybrid Journal   (Followers: 18)
Applied Measurement in Education     Hybrid Journal   (Followers: 11)
Aprender     Open Access  
AR-RIAYAH : Jurnal Pendidikan Dasar     Open Access  
Arabia     Open Access   (Followers: 1)
Arabiyatuna : Jurnal Bahasa Arab     Open Access  
Archivos de Ciencias de la Educación     Open Access   (Followers: 2)
Areté, Revista Digital del Doctorado en Educación de la Universidad Central de Venezuela     Open Access  
Arrancada     Open Access   (Followers: 1)
Ars Educandi     Open Access  
Art Design & Communication in Higher Education     Hybrid Journal   (Followers: 27)
Arte e Investigación     Open Access   (Followers: 1)
Arts and Humanities in Higher Education     Hybrid Journal   (Followers: 43)
Arts Education Policy Review     Hybrid Journal   (Followers: 5)
Artseduca : Revista electrónica de educación en las ARTES     Open Access   (Followers: 1)
ASEAN Journal of Education     Open Access   (Followers: 1)
ASHE Higher Education Reports     Hybrid Journal   (Followers: 21)
Asia Pacific Education Review     Hybrid Journal   (Followers: 13)
Asia Pacific Journal of Education     Hybrid Journal   (Followers: 24)
Asia-Pacific Education Researcher     Hybrid Journal   (Followers: 14)
Asia-Pacific Journal of Teacher Education     Hybrid Journal   (Followers: 27)
Asian Journal of Distance Education     Open Access   (Followers: 3)
Asian Journal of Education and Social Studies     Open Access   (Followers: 1)
Asian Journal of English Language Teaching     Full-text available via subscription   (Followers: 17)
Asian Journal of Legal Education     Full-text available via subscription   (Followers: 4)
Asian-Pacific Journal of Second and Foreign Language Education     Open Access   (Followers: 2)
ASp     Open Access   (Followers: 4)
Assessing Writing     Hybrid Journal   (Followers: 15)
Assessment & Evaluation in Higher Education     Hybrid Journal   (Followers: 235)
Assessment for Effective Intervention     Hybrid Journal   (Followers: 16)
Assessment in Education: Principles, Policy & Practice     Hybrid Journal   (Followers: 48)
Assessment Update     Hybrid Journal   (Followers: 5)
AStA Wirtschafts- und Sozialstatistisches Archiv     Hybrid Journal   (Followers: 5)
At-Ta'dib Jurnal Kependidikan Islam     Open Access  
At-Taqaddum     Open Access  
At-Turats     Open Access  
ATENA Didaktik     Open Access   (Followers: 6)
Atenas : Revista Científico Pedagógica     Open Access   (Followers: 1)
Athenea Digital     Open Access  
ATIKAN : Jurnal Kajian Pendidikan (Journal of Educational Studies)     Open Access  
Atthulab : Islamic Religion Teaching and Learning Journal     Open Access   (Followers: 1)
Aula Abierta     Open Access   (Followers: 2)
Aula de Encuentro     Open Access  
Australasian Journal of Educational Technology     Open Access   (Followers: 21)
Australasian Journal of Engineering Education     Hybrid Journal   (Followers: 1)
Australasian Journal of Gifted Education     Full-text available via subscription   (Followers: 7)
Australasian Marketing Journal (AMJ)     Hybrid Journal   (Followers: 4)
Australian Art Education     Full-text available via subscription   (Followers: 8)
Australian Educational Computing     Open Access   (Followers: 1)
Australian Educational Researcher     Hybrid Journal   (Followers: 31)
Australian Journal of Adult Learning     Full-text available via subscription   (Followers: 15)
Australian Journal of Career Development     Hybrid Journal   (Followers: 4)
Australian Journal of Dyslexia and Learning Difficulties     Full-text available via subscription   (Followers: 8)
Australian Journal of Education     Hybrid Journal   (Followers: 42)
Australian Journal of Environmental Education     Full-text available via subscription   (Followers: 9)
Australian Journal of Indigenous Education, The     Full-text available via subscription   (Followers: 11)
Australian Journal of Learning Difficulties     Hybrid Journal   (Followers: 5)
Australian Journal of Music Education     Full-text available via subscription   (Followers: 4)
Australian Journal of Public Administration     Hybrid Journal   (Followers: 475)
Australian Journal of Teacher Education     Open Access   (Followers: 28)
Australian Mathematics Teacher, The     Full-text available via subscription   (Followers: 7)
Australian Primary Mathematics Classroom     Full-text available via subscription   (Followers: 5)
Australian Screen Education Online     Full-text available via subscription   (Followers: 3)
Australian TAFE Teacher     Full-text available via subscription   (Followers: 4)
Australian Universities' Review, The     Full-text available via subscription   (Followers: 4)
Autism     Hybrid Journal   (Followers: 338)
Avaliação : Revista da Avaliação da Educação Superior (Campinas)     Open Access  
Azalea: Journal of Korean Literature & Culture     Full-text available via subscription   (Followers: 4)
Bahastra     Open Access  
Balkan Region Conference on Engineering and Business Education     Open Access   (Followers: 2)
Baltic Journal of Career Education and Management     Open Access   (Followers: 1)
Barn : Forskning om barn og barndom i Norden     Open Access   (Followers: 1)
Basastra : Jurnal Bahasa, Sastra, dan Pengajarannya     Open Access   (Followers: 1)
BC TEAL Journal     Open Access  
Becoming : Journal of the Georgia Middle School Association     Open Access   (Followers: 2)
Behavioural Sciences Undergraduate Journal     Open Access   (Followers: 3)
BELAJEA : Jurnal Pendidikan Islam     Open Access  
BELIA : Early Childhood Education Papers     Open Access   (Followers: 9)
BELT - Brazilian English Language Teaching Journal     Open Access   (Followers: 4)
Berkeley Review of Education     Open Access   (Followers: 9)
Biblioteca Escolar em Revista     Open Access  
Biblioteka i Edukacja     Open Access   (Followers: 4)
Bildung und Erziehung     Hybrid Journal   (Followers: 6)
Bio-Lectura     Open Access  
BIODIK : Jurnal Ilmiah Pendidikan Biologi     Open Access   (Followers: 1)
Bioedukasi : Jurnal Pendidikan Biologi FKIP UM Metro     Open Access   (Followers: 1)
Bioma : Jurnal Ilmiah Biologi     Open Access  
Biosaintifika : Journal of Biology & Biology Education     Open Access   (Followers: 9)
Biosfer : Jurnal Biologi dan Pendidikan Biologi     Open Access  
Biosfer : Jurnal Tadris Biologi     Open Access  
BISE : Jurnal Pendidikan Bisnis dan Ekonomi     Open Access   (Followers: 1)
Biuletyn Historii Wychowania     Open Access  
BMC Medical Education     Open Access   (Followers: 49)
BMJ Simulation & Technology Enhanced Learning     Hybrid Journal   (Followers: 12)
Boletim Cearense de Educação e História da Matemática     Open Access  
Boletim de Educação Matemática     Open Access  
Boletim Técnico do Senac     Open Access  
Bordón : Revista de Pedagogía     Open Access   (Followers: 1)
British (Jurnal Bahasa dan Sastra Inggris)     Open Access   (Followers: 1)
British Educational Research Journal     Hybrid Journal   (Followers: 248)
British Journal of Educational Studies     Hybrid Journal   (Followers: 198)

        1 2 3 4 5 6 7 8 | Last

Similar Journals
Journal Cover
African Journal of Chemical Education
Number of Followers: 5  

  This is an Open Access Journal Open Access journal
ISSN (Print) 2227-5835
Published by African Journals Online Homepage  [262 journals]
  • The “first molecule”: He-H+ as a theme to study chemical bonding by
           molecular modeling

    • Authors: Robson Fernandes de Farias
      Abstract: In April 2019, it was reported [3] the detection (for the first time, in the interstellar space; previous detections were in the lab) of a species that is considered the very first molecule formed in the universe: He-H+(formed about only 100,000 years after the big bang). It was the beginning of chemical synthesis, and, of course, chemistry. In the present work it is reported as such chemical species can be employed as a very good theme to study chemical bonding by using molecular modeling.
      PubDate: 2020-02-13
      Issue No: Vol. 10, No. 1 (2020)
       
  • Determination of essential and toxic heavy metals in barley (Hordeum
           vulgare) cultivated in selected places in Amhara Region, Ethiopia

    • Authors: Abebaw Shitahun, Merid Tessema
      Abstract: Barley (Hordeum vulgare. L) is used as food, for feeding animals and for malting in the world and in Ethiopia. The levels of essential metals (K, Mg, Ca, Na, Zn, Fe, Ni, Mn, Cu, Cr and Co) and toxic heavy metals (Pd and Cd) in barley samples collected from East Gojjam, Awi zone and West Gojjam, Ethiopia, were determined by flame atomic absorption spectrometry. For the determination, first 0.5 g barely sample was digested using mixtures of 2 mL of HNO3, 1 mL of HClO4 and 1 mL of H2O2 at 210oC for 2:30 hr based on the optimized wet digestion procedure. The optimized wet digestion procedure was evaluated using standard addition (spiking) method and an acceptable percentage recovery was obtained. The mean metal concentration ( mg/kg dry weight basis) ranges in barley are : K (4094–12238), Mg (827–983), Ca (320–886), Na (49.2–62.3), Zn (33.7–76.7), Fe (15.7 – 106), Ni (3.78–27.6), Mn (8.83–13.7), Cu (5.83–10.5), Cr (4.33–6.11), Co (3.38–5.83), Pb (1.44–2.33) and Cd (0.98–1.55). The results were compared with values reported in the literature.
      PubDate: 2020-02-13
      Issue No: Vol. 10, No. 1 (2020)
       
  • Integrating socio-economic activities of the local community into
           chemistry lessons: a case of fermentation and incomplete combustion at
           Malambanyama Day Secondary School in Chibombo District in Central Province
           of Zambia

    • Authors: Kennedy Kalebaila, Brighton Hamusonde
      Abstract: The purpose of this study was to investigate the impact of integrating socio-economic activities of the local community into chemistry lessons, on attitude and performance of learners. Mixed method research design was used to collect both quantitative and qualitative data. Quantitative data was gathered by CATs and the attitude questionnaire while focus group interviews were used to collect qualitative data. The only grade 12 class at Malambanyama Day Secondary school comprising 43 learners was purposively selected since learners were information-rich. The learners were randomly selected into groups 1 and 2, and the two groups were assigned to the control and treatment groups. The data collected were analyzed by the independent samples t-test, and the Qualitative Data Analysis software. Results obtained indicated that participants’ attitude at pre-intervention was neutral and positive at post-intervention. Pre-test CAT indicated that the two groups were equal in conceptual understanding: (group 1 M = 39.71, SD = 14.94, group 2 M = 39.12, SD = 11.35), t (32) = .129, P = .449, α = .05 at confidence level 95%. At posttest 1 CAT, results were statistically significant (group 1 M = 65.79, SD = 14.94 while group 2 M = 54.58, SD = 11.35), P = .029, t (29) = 1.972, α = .05 at confidence level 95%. At posttest 2 CAT, results were not statistically significant: (group 1 M = 50.91, SD = 16.52, group 2 M = 54.05, SD = 18.14), p = .278, t (41) = -.594, α = .05 at confidence level 95%. Qualitative data analysis results also indicated that learners’ attitude towards chemistry improved when socio-economic activities of learners were incorporated in chemistry lessons. It was, therefore, concluded that integration of socio-economic activities of the local community into chemistry lessons improve both the attitude and academic performance of learner.
      PubDate: 2020-02-13
      Issue No: Vol. 10, No. 1 (2020)
       
  • Chemical studies of Commiphora terebinthina and Pycnostachys abyssinica
           occurring in Ethiopia

    • Authors: Tegene Tesfaye Tole, Lomi Abayneh
      Abstract: In the course of this study the resins of Commiphora terebinthina and the roots of Pycnostachys abyssinica were collected from Konso and Wolaita Sodo, Ethiopia, respectively. The essential oil of the resin of Commiphora terebinthina was isolated by hydro distillation and analyzed by GC and GC/MS. Identification of the constituents of the essential oil was performed by matching GC/MS of each constituent with Wiley, NIST and user generated mass spectral libraries. The main components identified from the oil of C. terebinthina were: geraniol (24%), aromadendrene (2l %), α-copaene (15%), α-humulene (3.2%) and α-cadinol (7.4%). The resins were also subjected to extraction by petroleum ether, ethyl acetate and methanol, sequentially resulting in the isolation of α-humulene, α-cadinol and T-cadinol using chromatographic techniques. The phytochemical screening of the petroleum ether, chloroform and methanol extracts from the root of Pycnostachys abyssinica revealed the presence of alkaloids, flavonoids, glycosides, phenols, terpenoids, tannins, steroids and acidic compounds using the standard procedure. Chromatographic separation of the chloroform extract resulted in the isolation of β-sitosterol. Characterization of the isolated compounds was performed using the spectroscopic techniques Uv-Vis, IR, 1H-NMR, 13C-NMR and DEPT-135 and comparison with previously reported literature.
      PubDate: 2020-02-13
      Issue No: Vol. 10, No. 1 (2020)
       
  • Chemistry teachers’ interpretation of some students’ alternative
           conceptions – a pilot study

    • Authors: Ruby Hanson
      Abstract: Chemistry education researchers have shown growing interest in the strategies that teachers employ to diagnose students’ prior knowledge and attempt remediation, where necessary, as most concepts in chemistry look abstract. The ways in which Ghanaian teachers identify and address their students’ alternative conceptions, especially in the study of chemical equilibrium, was explored on a pilot basis through the use of face-to-face, telephone and email procedures. The outcome was compared with what other researchers in other countries had identified through various means. Trainees whose responses were not clear in their e-mail responses were interviewed through telephone and personal interactions. Eleven Ghanaian chemistry instructors from various parts of the country, who were on an eight-week summer sandwich education programme, participated in the study. Data gathered revealed that majority of the participating teachers were aware of their students’ prior conceptions and often had no difficulty diagnosing them but were unaware of all the possible sources of misconceptions nor how to address the root causes of persistent misconceptions. Their non-interactive treatment strategies for the identified misconceptions in their schools were varied, unauthentic and not deep-seated. As many as four common remediation processes were identified for use. On the basis of these findings, it is recommended that the study of students’ misconceptions and some of the appropriate and authentic resolution strategies be incorporated into teacher training curricular.
      PubDate: 2020-02-13
      Issue No: Vol. 10, No. 1 (2020)
       
  • Assessment of levels of exposure to biogenic amines - a Gambia case study

    • Authors: Matarr Gaye, Osaro Iyekowa, Adjivon Anthony, Mandalena Mendy, Chukwudozie Cyril Ntomchukwu, Oladele Oyelakin
      Abstract: Biogenic amines (BAs) have been reported in a variety of foods namely, fish, milk, yogurt, beef and chicken. Their amounts are usually increased during controlled or spontaneous microbial fermentation of food or in the course of food spoilage. Biogenic amines are basic nitrogenous compounds with important metabolic and physiological significance in living organisms. They also pose some hazards to human health when consumed in quantities beyond their legal limits. Protein containing foods are the main precursors from which BAs are synthesized. A lot of amino acid containing foods are being consumed in The Gambia with no equipped laboratory to assess the levels of BAs. This work involved the study of the factors which enhance the formation of BAs through use of questionnaires, observation and testing (temperature). This research aimed at assessing the level of exposure to biogenic amine contamination by consumers in The Gambia. It was found that the level of biogenic amines may not be beyond their toxic levels in fish, milk and yogurt, but there is a probability of it being high in meat due to lack of proper means of preservation and quiet higher in imported chickens because of the duration of time it takes to get it to final consumers.
      PubDate: 2020-02-13
      Issue No: Vol. 10, No. 1 (2020)
       
  • Extraction of dye from bark of Syzygium guineense for titanium dioxide
           based dye sensitized solar cell as photo sensitizer

    • Authors: Girma Worku, Demisachew Shitaw
      Abstract: This work was aimed to extract, prepare and use dyes from bark of Syzygium guineense as photosensitizer for dye sensitized solar cell. The extraction processes were takes place in presence of acetone, ethanol and water as solvent. The photoelectron-chemical performance of the DSSCs based on the acetone extract showed Voc of 0.36 V, FF of 0.546, Jsc of 1.57 mA cm-2 and a power conversion efficiency of 0.319% under the sunlight illumination of 100 mW cm-2 and active area of 1 cm2. The J-V curves were plotted according to collected data of DSSCs by using Extech Multimeter, and electrical circuit with resisters made from wood board. The acetone extract of day from bark of Syzygium guineense offered the highest conversion efficiency than ethanol and water extracts. Generally, the dye extracted from bark of Syzygium guineense as natural photosensitizer could be a possible alternative for the production of low cost and environment friendly DSSCs.
      PubDate: 2020-02-13
      Issue No: Vol. 10, No. 1 (2020)
       
  • Synthesis composite of TiO2/chitosan and TiO2/ bentonite for removing
           turbidity from Ismailia Canal as water treatment plant

    • Authors: A Marey
      Abstract: The conditions of water in Ismailia canal (Mostorod refinery site) are alarming now because it looks more cloudy and dirty. Water was contaminated not only organic trashes, but also inorganic. The adsorption capacity of clays is often used to remove undesirable substances from aqueous solutions. Chitosan is widely used in biological applications due to its biocompatibility and biodegradability. The aim of the present study is to review the possible applications of the nanotechnology for the removal of pollutants from wastewater by TiO2/Bentonite and TiO2/Chitosan, when added this composite to wastewater and when exposed to visible light they will generate OH radical compounds that can degrade organic pollutants and compounds superoxide, at pH 2.
      PubDate: 2020-02-13
      Issue No: Vol. 10, No. 1 (2020)
       
  • Creativity in workshop: overlap and underlap card technique for
           concentration units of second semester general chemistry

    • Authors: Cassandra Orozco, James E. Becvar, Mahesh Narayan
      Abstract: Creativity in the classroom is the goal for peer leaders of the Peer Led Team Learning Program (PLTL) in the Chemistry Department at the University of Texas at El Paso. The goal is to enhance the learning experience for students taking general chemistry in their workshops or classrooms. These ideas allow students to engage in classroom discussions with their peer leader. The ideas can be themed on concepts such as molecular geometries, kinetics, or acids and bases. In second semester general chemistry, a call to utilizing creativity in the classroom has demonstrated a way for peer leaders to efficiently teach students how to convert the following four main concentration units via kinesthetic interaction: molarity, molality, mole fraction, and percent by mass. What this means is that, by arranging cards as fractions in which the concentration units are represented as ratios, they will be maneuvered by grabbing each card and placing them either over or under another card to get the desired unit. Thus, to reach a desired unit in the numerator and/or the denominator the concept of overlap and underlap is the key to employing these stacks of cards to see how the units relate to one another. This allows students to think about what is needed in the numerator and the denominator. Students gain the opportunity to physically manipulate conversion factors and improve or review their understanding of dimensional analysis.
      PubDate: 2020-02-13
      Issue No: Vol. 10, No. 1 (2020)
       
  • Chemistry teaching, 'scientific illiteracy' and 'functional
           illiteracy' in Brazil

    • Authors: Robson Fernandes de Farias
      Abstract: In the present work, an analysis of the quality of the students who arrive at the Brazilian federal public universities in the last ten years is made, based on basic chemistry classes for the chemistry, chemical engineering and pharmacy courses. In the last ten years, "scientific illiteracy" as well as "functional illiteracy" have only increased, making it possible to establish (as a general trend) a dire prognosis for the quality of graduates of chemistry courses in Brazil.
      PubDate: 2020-02-13
      Issue No: Vol. 10, No. 1 (2020)
       
  • Titrimetric analysis of commercial bleach: a Gambia case study

    • Authors: Fatou Marong, Osaro Iyekowa, Oladele Oyelakin, Adjivon Anthony, Mandalena Mendy, Chukwudozie Cyril Ntomchukwu
      Abstract: Ten brands of bleach were analyzed for their sodium hypochlorite (NaOCl) levels using titrimetric method. The levels of NaOCl found in the bleach samples were generally higher than the levels indicated on the respective labels. Only one out of the ten samples had a NaOCl level of below 5% indicating that it is a safe and noncorrosive household bleach.
      PubDate: 2020-02-13
      Issue No: Vol. 10, No. 1 (2020)
       
 
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