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28979 private teachers in Tlytl

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28979 private teachers in Tlytl

Elias - Paris23Fr
23FrElectrochemistry: 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
Réka - Valladolid34Fr
34FrUnique piano lessons in Valladolid. Discover your voice on the piano.
Trusted teacher: Hello, I'm Réka! I'm a pianist and teacher trained in Hungary and Ukraine, with a Bachelor's and Master's degree from the University of Debrecen (Hungary). I have specialized training in pedagogy and applied piano psychology. This helps me adapt my lessons to children and adults, and all levels. If you decide to study with me, you'll gain a travel companion for this difficult but exciting journey that is music. I will teach you to face difficulties in a fun, stress-free way, always enjoying the journey. I speak Spanish, English, Hungarian, Ukrainian, and a little Russian. You have the opportunity to learn piano in many languages! I have 15 years of experience as a piano teacher, and I continue to prepare each lesson with great care, personalized for each student. The choice of repertoire is fundamental. I have a very extensive piano repertoire thanks to having studied and worked in different countries, and I never teach the same pieces to all my students. When you join my classes, I design a unique repertoire tailored to your needs, only after getting to know you. My classes are characterized by patience and empathy. Learning the piano can be very difficult and frustrating, and it's important to manage these emotions well. Contact me with confidence and without obligation. I look forward to sharing our passion for music with you.
Piano · Music theory
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Coraline - Hyères28Fr
28FrEnglish 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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