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Profesor fiable
Este profe tiene una tasa de respuesta rápida muy elevada, ofreciendo así un servicio de buena calidad y fiabilidad a sus estudiantes.
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Desde septiembre 2025
Profesor desde septiembre 2025
Class: IB Biology and Chemistry Tutoring – Master Key Concepts, Exam Skills, and Scientific Thinking
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A partir de 24.42 $ /h
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Class: IB Biology and Chemistry Tutoring

I am a dedicated Biology and Chemistry teacher with over a quarter of a decade of teaching experience, guiding students to excel in their academic journeys. My lessons are designed to support learners in mastering the IB curriculum, focusing on key concepts, exam techniques, and building confidence in tackling challenging topics.

Whether you need help understanding complex biochemical processes, thermodynamics, genetics, organic chemistry, or preparing for **IB assessments and Internal Assessments (IAs), I provide clear explanations, structured practice, and tailored strategies to meet your learning style.

My goal is not only to help you succeed in your exams but also to deepen your appreciation and curiosity for science.
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Clases en el domicilio del estudiante :
  • Alrededor de Ámsterdam, Países Bajos
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Conectado desde Zambia
Acerca de mí
Experienced Science Educator with nearly a decade of teaching Biology and Chemistry across A Level, AS Level, O Level, IGCSE, Edexcel, and IB curricula, complemented by proficiency in Physics and Mathematics. Passionate about problem-solving, scientific inquiry, and continuous learning through documentaries and research, I am dedicated to delivering high-quality education that inspires curiosity, fosters critical thinking, and drives academic excellence in students.
Formación
Bachelor’s Degree in Science Education – Kwame Nkrumah University, 2022 Certificate of Completion in Science Teaching Capital- Cambridge university press Science Practical in Blended Education – Cambridge university press
Experiencia / Calificaciones
I am an experienced educator with four years of teaching Chemistry, Biology, Physics, and Mathematics across multiple curricula, including A Level, IGCSE, Edexcel, and IB. I also lead a team of trained teachers specializing in Commercial subjects, Computer Science, and ICT, fostering a collaborative and multidisciplinary approach to learning. Committed to high-quality education, I focus on developing critical thinking, problem-solving skills, and academic excellence in all students.
Edad
Niños (7-12 años)
Adolescentes (13-17 años)
Adultos (18-64 años)
Tercera edad (65+ años)
Nivel del estudiante
Principiante
Intermedio
Avanzado
Duración
60 minutos
La clase se imparte en
inglés
Disponibilidad en una semana típica.
(GMT -05:00)
Nueva York
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En línea vía webcam
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Clases en el domicilio del estudiante
Mon
Tue
Wed
Thu
Fri
Sat
Sun
00-04
04-08
08-12
12-16
16-20
20-24
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.
Leer más
These courses provide students with a broad and engaging foundation in Science, covering Biology, Chemistry, and Physics. In Biology, learners investigate the structures, functions, and interactions of living organisms and their environments. Chemistry lessons focus on the composition, properties, and reactions of substances, helping students understand the building blocks of matter and the changes it undergoes. Physics explores the fundamental principles of energy, motion, and forces that shape the physical world. Through a balance of theory, practical experiments, and problem-solving activities, students develop critical thinking, analytical skills, and a deeper appreciation of how science explains and influences everyday life.
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