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28926 private teachers in Mrby

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28926 private teachers in Mrby

Elias - Paris24€
24€Electrochemistry: This class introduces students to the principles of electrochemistry, focusing on redox reactions and galvanic cell.
Trusted teacher: Lesson: Electrochemistry Duration: 60 minutes Grade Level: Advanced Science / Chemistry (IGCSE, A Level, IB) Main Objectives: By the end of this lesson, students should be able to: 1. Define electrochemistry and explain its importance. 2. Describe the difference between electrolytic and galvanic (voltaic) cells. 3. Write half-reactions and overall cell reactions. 4. Calculate standard electrode potentials and predict the direction of electron flow. 5. Understand practical applications of electrochemistry in everyday life. Lesson Outline / Brief Notes: 1. Introduction to Electrochemistry (10 minutes) Definition: Electrochemistry is the branch of chemistry that deals with the relationship between chemical reactions and electricity. Key Concept: Redox reactions involve the transfer of electrons. Real-life example: Batteries, electroplating, corrosion prevention. 2. Galvanic (Voltaic) Cells (15 minutes) Composed of two half-cells connected by a salt bridge. Oxidation occurs at the anode, reduction at the cathode. Example: Daniell cell Zn(s) | Zn2+(aq) || Cu2+(aq) | Cu(s) Oxidation: Zn → Zn2+ + 2e− Reduction: Cu2+ + 2e− → Cu 3. Electrolytic Cells (10 minutes) Require an external power source to drive non-spontaneous reactions. Example: Electrolysis of molten NaCl At cathode: Na+ + e− → Na At anode: 2Cl− → Cl2 + 2e- 4. Standard Electrode Potentials (10 minutes) Electrode potential measures the tendency of a species to be reduced. Example: Zn2+/Zn: -0.76 V Cu2+/Cu: +0.34 V Predict electron flow: Electrons flow from Zn to Cu in a Daniell cell. 5. Applications of Electrochemistry (5 minutes) Batteries (Li-ion, lead-acid) Electroplating (silver plating, chromium plating) Corrosion protection (galvanization) Exercise (10 minutes) 1. Short Answer Questions: a. Define electrochemistry. b. Identify the anode and cathode in a zinc-copper galvanic cell. c. Explain the difference between galvanic and electrolytic cells. 2. Calculation: Given: Zn2+/Zn: -0.76 V Cu2+/Cu: +0.34 V Calculate the standard cell potential of a Daniell cell. 3. Application Question: Describe one practical application of electrochemistry in everyday life and explain how it works.
Chemistry
Coraline - Hyères30€
30€English and French courses - I lived 6 years in the USA and 6 months in Australia
Trusted teacher: Courses by video or at my home (Hyères) Hello and welcome ! I am Coraline, an English and French teacher with an international background and a 100% English-speaking daily life. Why me ? •⁠ ⁠I am the founder of Coraline's French Corner, a platform dedicated to learning French for English speakers and English for French speakers. •⁠ ⁠I lived and worked in the United States for 6 years, then in Australia for 6 months, which allowed me to master English and get used to all types of accents. •⁠ ⁠These experiences opened me up to many cultures and strengthened my passion for languages. •⁠ ⁠⁠I also speak Spanish, I am learning Italian, and I have understood the essential keys to learning a language effectively I work exclusively in English in several fields: ➜ Media operations for major international events (Australian Open, Olympic Games, Roland-Garros, Rugby World Cup, etc.): interviews in English, management of international athletes, communication in a 100% English-speaking environment ➜ Marketing: writing and presentation of professional reports and content for brands 100% in English ➜ Translation: Translations of French / English documents ➜ And of course, I work in teaching, with private or group lessons, in French as well as in English ◦ English courses for French speakers, of all levels and for all objectives (travel, professional, academic, etc.) ◦ French courses for English speakers What I offer you: •⁠ ⁠Tailor-made courses, adapted to your objectives •⁠ ⁠⁠ A lively method, focused on speaking, fluency and confidence •⁠ ⁠A caring and motivating atmosphere Whether you want to progress to travel, work internationally or gain fluency in speaking, I am here to support you. Let's get started! / Shall we start?
English · Toefl test preparation · French
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Emilie - Ferney-Voltaire42€
42€Academic support for children aged 6-15 at home or online. All subjects except German.
Trusted teacher: Is homework a source of stress? Are you looking for support for your child for the next school year? Contact me for support that will give your child back their smile and a taste for learning, by giving them the means to succeed! With a degree in educational sciences and years of experience working with children with special needs, I offer personalized academic support to help each child succeed. My approach focuses on understanding and helps your child develop their own learning methods. My goal is to give them the tools to become independent and confident in their learning. My teaching focuses on: * Individualization: each child is unique, which is why I adapt to their pace and specific needs. * Methodology development: we work together to develop effective learning strategies so that your child becomes an actor in their own success (organization, time management, note-taking, etc.). * Motivation and appreciation: I highlight the student's strengths to strengthen their self-esteem. I create a positive and encouraging learning environment, where mistakes are seen as an opportunity to learn. * Clarification: I explain concepts in a simple and concrete way so that everything becomes clear in order to fill in gaps or reinforce what has been learned. Please do not hesitate to contact me to discuss your child's needs, whether they need a helping hand or specific support related to learning disabilities. I offer my services to children aged 6-15 at home or online, depending on your preferences. All disciplines except German
Tutoring
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