facebook
Duaa
member icon
Trusted teacher
favorite buttonAdd to Wish List
favorite buttonAdd to Wish List
member icon
Trusted teacher
from27.42EUR/ h

Chemical Engineering Mass Transfer: Diffusion & Convection

Mass Transfer Unit Operation and Separation Process Career starts with the understanding of the phenomena occurring in the molecular level.

Understanding how equilibrium and diffusion helps mass transfer between phases will let you understand how several equipment works, such as Flashing Drums, Absorbers, Distillation Columns, Extractors, etc...

Extra information

bring your slides and course contents

Location

Online via webcam

General info

Age:
Teenagers (13-17 years old)
Adults (18-64 years old)
Seniors (65+ years old)
Student level:
Beginner
Intermediate
Advanced
Duration:
45 minutes
60 minutes
90 minutes
120 minutes
The class is taught in:English, Arabic, French

About Me

. I have been in Educative family where most of my relatives are teachers therefore, teaching was something I grew up learning.
. I love teaching and making the person in front of me understanding by changing his/her way of thinking and broadening their horizons.
. I am determined when a job is given to me that's why I finish it in a good way.
. I try and make lessons fun by not only focusing on the theory but also make the students practice it.

Education

1. Currently studying at Üsküdar Üniversity in Istanbul.
2. I have graduated with an A-level Diploma with A,B and C in Mathematics, Physics and Chemistry respectively.
3. I took 7.5/9 in IELTS exam for the English language.

Experience / Qualifications

As I said I graduated as an A-level student and at this moment I am studying in the university so I have good knowledge about how the subjects are.

Reviews (1)

A teacher with great knowledge of the subjects and able to simplify and explain the material in a wonderful way.
Translated by Google. Click to view original.
I am an IGCSE graduate from high school and I have taken Mathematics, physics, biology and chemistry subjects in my high school year. Therefore, I believe I have a lot of experience and I am aware of which points the A-level students should concentrate on. In addition to this, IGSE subjects exempt the student from the freshmen year in UK since they are so challenging as subjects therefore, I am also capable of teaching the first year subjects which are, Calculus, Physics, Chemistry and Biology.
Step into a classroom designed for curious young minds! In this class, I will teach foundational concepts in math, science, and English, just like a school teacher. Through interactive lessons, hands-on activities, and engaging discussions, students will develop essential skills while having fun. Whether it's solving math problems, exploring scientific concepts, or enhancing language skills, this class aims to create a supportive learning environment where kids can thrive and grow their love for learning!

Ask a question

Send a message explaining your needs and Duaa will reply soon:
The more detail, the better.
Ex. "Hi, when are you available to meet for a lesson?"

Availability of a typical week

(GMT -04:00) New York
MonTueWedThuFriSatSun
0
  
  
  
  Thursday at 0:00
  Friday at 0:00
  Saturday at 0:00
  Sunday at 0:00
1
  
  
  
  Thursday at 1:00
  Friday at 1:00
  Saturday at 1:00
  Sunday at 1:00
2
  
  
  
  Thursday at 2:00
  Friday at 2:00
  Saturday at 2:00
  Sunday at 2:00
3
  
  
  
  Thursday at 3:00
  Friday at 3:00
  Saturday at 3:00
  Sunday at 3:00
4
  
  
  
  Thursday at 4:00
  Friday at 4:00
  
  
5
  
  
  
  Thursday at 5:00
  Friday at 5:00
  
  
6
  
  
  
  Thursday at 6:00
  Friday at 6:00
  
  
7
  
  
  
  Thursday at 7:00
  
  
  
8
  
  
  
  Thursday at 8:00
  
  
  
9
  
  
  
  Thursday at 9:00
  
  Saturday at 9:00
  Sunday at 9:00
10
  
  
  
  Thursday at 10:00
  
  Saturday at 10:00
  Sunday at 10:00
11
  
  
  
  Thursday at 11:00
  
  Saturday at 11:00
  Sunday at 11:00
12
  
  
  
  Thursday at 12:00
  
  Saturday at 12:00
  Sunday at 12:00
13
  
  
  
  
  
  
  
14
  
  
  
  
  
  
  
15
  
  
  
  
  
  
  
16
  
  
  
  
  
  
  
17
  
  
  
  
  
  
  
18
  
  
  
  
  
  
  
19
  
  
  
  
  
  
  
20
  
  
  
  
  
  
  
21
  
  
  
  
  
  
  
22
  
  
  
  
  
  
  
23
  
  
  
  
  
  
  
from 27.42€Online via webcam

Good-fit Instructor Guarantee


If you are not satisfied after your first lesson, Apprentus will find you another instructor or will refund your first lesson.

Online reputation

  • Instructor since March 2019
  • Phone number verified
  • Google connected
  • Linkedin connected

Availability of a typical week

(GMT -04:00) New York
MonTueWedThuFriSatSun
0
  
  
  
  Thursday at 0:00
  Friday at 0:00
  Saturday at 0:00
  Sunday at 0:00
1
  
  
  
  Thursday at 1:00
  Friday at 1:00
  Saturday at 1:00
  Sunday at 1:00
2
  
  
  
  Thursday at 2:00
  Friday at 2:00
  Saturday at 2:00
  Sunday at 2:00
3
  
  
  
  Thursday at 3:00
  Friday at 3:00
  Saturday at 3:00
  Sunday at 3:00
4
  
  
  
  Thursday at 4:00
  Friday at 4:00
  
  
5
  
  
  
  Thursday at 5:00
  Friday at 5:00
  
  
6
  
  
  
  Thursday at 6:00
  Friday at 6:00
  
  
7
  
  
  
  Thursday at 7:00
  
  
  
8
  
  
  
  Thursday at 8:00
  
  
  
9
  
  
  
  Thursday at 9:00
  
  Saturday at 9:00
  Sunday at 9:00
10
  
  
  
  Thursday at 10:00
  
  Saturday at 10:00
  Sunday at 10:00
11
  
  
  
  Thursday at 11:00
  
  Saturday at 11:00
  Sunday at 11:00
12
  
  
  
  Thursday at 12:00
  
  Saturday at 12:00
  Sunday at 12:00
13
  
  
  
  
  
  
  
14
  
  
  
  
  
  
  
15
  
  
  
  
  
  
  
16
  
  
  
  
  
  
  
17
  
  
  
  
  
  
  
18
  
  
  
  
  
  
  
19
  
  
  
  
  
  
  
20
  
  
  
  
  
  
  
21
  
  
  
  
  
  
  
22
  
  
  
  
  
  
  
23
  
  
  
  
  
  
  
from 27.42€Online via webcam

Good-fit Instructor Guarantee


If you are not satisfied after your first lesson, Apprentus will find you another instructor or will refund your first lesson.

Share


Raef
Tuition in Math - Physics - Chemistry - Bio
Experienced and qualified teacher gives private lessons in Mathematics - Analysis - Matrices - Statistics - Algebra - Geometry - Physics - Mechanics - Electricity - Chemistry - Organic Chemistry - Biology, Geology at home either by a link (very modern method) which serves as a table interactive shared more than skype or zoom of French program to students of Terminales, 1ère, Seconde, Brevet Concours or International School (IB in English) and university preparatory classes for the year 2022/2023 You can contact me for details. Program and prices specific to Brazil where the program ends later and I can be there and I thus offer help with homework from CNED. My online student results were with VERY GOOD, GOOD AND EXCELLENT grades. Do not hesitate to contact me for more information, Response in less than 12 hours

Robert
Physics / Chemistry / Bio, at your place, at my place or remotely!
As a Franco-Belgian teacher, I offer private lessons in physics, chemistry and biology for secondary and higher levels. I specialize in secondary level up to 5th year Belgian. I travel, if necessary, to your home in the Brussels region as well as in Walloon and Flemish Brabant, with a minimum course duration of 2 hours. With extensive experience, I offer numerous exercises to consolidate knowledge. Distance learning is also possible via platforms such as Skype, Facebook, etc. For students in France, lessons are done exclusively remotely. Do not hesitate to contact me to organize your lessons according to your needs and availability. I am here to help you strengthen your skills in these subjects in an effective and personalized way. Courses tailored to your needs will allow you to progress quickly.

Benson
Cambridge International GCSE: Biology / Chemistry / Physics / Mathematics
Nothing beats one-on-one lessons. I am a qualified, experienced, and certified international tutor with a strong familiarity with the Cambridge IGCSE/A-Levels/O-Levels & IB Diploma curricula. I offer both ONLINE and IN-PERSON lessons in PHYSICS, CHEMISTRY, and BIOLOGY, following the British, American, and Indian curricula. My classes are available at affordable rates and can be conducted in-person or online. I adopt a student-oriented teaching style, striving to provide the best private lessons for my students. With 6 years of professional experience in science (Physics, Chemistry, and biology), I am well-versed in both the British and American curricula and I possess a high level of competency. I have taught students from various countries, including Belgium, Spain, Switzerland, Japan, the USA, the Caribbean, the UK, India, China, Singapore, Malaysia, Turkey, the Netherlands, Luxembourg, Germany, France, Italy, and South Africa. Book a lesson with me, and we can start on any day and time that suits you.

Nidhi
Science, Physics and Chemistry Exams Prep tutoring along with exam preparation full module planning
Class sessions are interactive and engaging, focusing on concept clarity, practical application, and active participation. Each session includes a mix of explanations, hands-on activities, discussions, and problem-solving exercises to ensure students not only understand the material but can confidently apply it.

Haris
Biology , Chemistry - all levels CBC , IGCSE and A levels MCAT, GCSE, SAT, International Baccalaureate, etc.
Hi there! I’m Haris, a passionate Biology and Chemistry tutor with 3+ years of experience guiding students across the globe to conquer complex concepts and excel in exams. Whether you’re tackling IB, AP, GCSE, SAT Biology, or preparing for competitive exams like the MCAT, I’m here to turn confusion into confidence. My Teaching Toolkit Active Learning Strategies: No boring lectures! We’ll use flashcards, concept maps, and real-world examples (like wildlife conservation case studies) to boost retention. Exam-Crushing Resources: Access my treasure trove of past papers, custom worksheets, and topic-specific targets to pinpoint weaknesses and build strengths.

Weronika
GCSE/ Nat-5 and A-Levels/ Highers Maths and Chemistry tutoring
I offer online tutoring in Maths and Chemistry for students preparing for exams. I’m currently pursuing a Master’s degree in Chemistry at the University of Edinburgh and have over five years of tutoring experience. During this time, I’ve supported many students in achieving their academic goals and consistently received positive feedback. My teaching approach focuses on practicing exam-style questions, which I’ve found to be the most effective way to build confidence and improve performance.

Stephen
Maths - Physics - Chemistry - Statistics (Secondary School)
Good morning and welcome on my profile! I am a passionate and dedicated maths and sciences teacher with over 7 years of experience helping students achieve their academic goals. Whether you're struggling with the basics or advanced concepts, I'm here to support you with patience, clarity, and a deep understanding of math. -- Teaching Methods -- I use effective teaching methods adapted to every learning style. My approach includes: • Initial Assessment: Understand your current level and identify your strengths and weaknesses through initial assessments. • Personalized Learning Plans: Develop a personalized study plan that targets your specific needs and goals. • Interactive Learning: Use of digital tools, visual aids and concrete examples to make concepts more tangible. • Problem Solving Techniques: Teach various problem-solving strategies and develop critical thinking skills to approach complex issues. • Regular Reviews and Practices: Integrate regular reviews and practice sessions to reinforce concepts and improve retention. • Adaptability: Modify teaching strategies based on your progress and feedback to ensure continuous improvement. -- Professionalism -- Professionalism is at the heart of my teaching method. I am committed to providing a respectful, caring and structured learning environment. Here's what you can expect from me: • Punctuality: I respect your time and ensure that our classes start and end at the scheduled time. • Preparation: Each session is carefully planned to meet your specific needs and goals. • Constructive Feedback: I provide constructive and rapid feedback to help you understand your progress and identify areas for improvement. My goal is to make science accessible and exciting, helping you develop a solid understanding of fundamental principles and practical applications. I hope to help you discover the beauty and complexity of the scientific world while achieving your academic goals.

Mavi
Science tutoring for children and teenagers: IGCSE, IB PYP MYP , and GCSE
I am Mavi, a physics engineer working at an aerospace company. I have been teaching private lessons at the primary, secondary, high school, and university preparatory levels for 9 years. I teach mathematics, physics, chemistry, and science. I have a good command of the curricula of IB, IGCSE, American, Hong Kong, and international schools. Additionally, I hold the position of president at the Astronomy Society, where I foster my students' interest in astronomy and science beyond the lessons. I prepare the learning environment by incorporating experiments and exploration, moving away from rote education. I often bring experimental materials to class, aiming to make learning memorable through hands-on experiments. As an educational mentor, I approach my students as if they were my siblings, valuing creativity. I have a deep passion for mathematics, physics, and science. I am dedicated to helping students understand and learn because life encompasses both SCIENCE and ART. The more people I can inspire to know, understand, and love mathematics, physics, and chemistry, the more proud I am. Are you curious about how nature works? Let's explore together!

Michael
Qualified International teacher: Science, IGCSE, A level, IB (PYP, MYP), preparation for mock exams and external examinations.
I have over ten years of experience teaching international students for KS3, IB (PYP, MYP), IGCSE, and A Level science with specialism in chemistry. Extra assignments are given and feedback on progress after every lesson. Intensive lessons are available for external and mock examinations.

Dr. Eymen
Physics IGCSE and Chemistry IGCSE, AS and A Levels, IB, AP, General Chemistry and Advanced Organic Chemistry.
IGCSE Chemistry Content Overview: 1 The particulate nature of matter 2 Experimental techniques 3 Atoms, elements and compounds 4 Stoichiometry 5 Electricity and chemistry 6 Chemical energetics 7 Chemical reactions 8 Acids, bases and salts 9 The Periodic Table 10 Metals 11 Air and water 12 Sulfur 13 Carbonates 14 Organic chemistry As and A level Chemistry Content overview: Physical chemistry 1 Atoms, molecules and stoichiometry 2 Atomic structure 3 Chemical bonding 4 States of matter 5 Chemical energetics 6 Electrochemistry 7 Equilibria 8 Reaction kinetics Inorganic chemistry 9 The Periodic Table: chemical periodicity 10 Group 2 11 Group 17 12 An introduction to the chemistry of transition elements 13 Nitrogen and sulfur Organic chemistry and analysis 14 An introduction to organic chemistry 15 Hydrocarbons 16 Halogen derivatives 17 Hydroxy compounds 18 Carbonyl compounds 19 Carboxylic acids and derivatives 20 Nitrogen compounds 21 Polymerisation 22 Analytical techniques 23 Organic synthesis IB Chemistry Content Overview: Core 1. Stoichiometric relationships 2. Atomic structure 3. Periodicity 4. Chemical bonding and structure 5. Energetics/thermochemistry 6. Chemical kinetics 7. Equilibrium 8. Acids and bases 9. Redox processes 10. Organic chemistry 11. Measurement and data processing Additional higher level (AHL) 12. Atomic structure 13. The periodic table—the transition metals 14. Chemical bonding and structure 15. Energetics/thermochemistry 16. Chemical kinetics 17. Equilibrium 18. Acids and bases 19. Redox processes 20. Organic chemistry 21. Measurement and analysis Option A. Materials B. Biochemistry C. Energy D. Medicinal chemistry IGCSE Physics Content Overview: 1 General physics 2 Thermal physics 3 Properties of waves, including light and sound 4 Electricity and magnetism 5 Atomic physics Advanced Organic Chemistry Content Overview: 1. Carbon Compounds and Chemical Bonds 2. Representative Carbon Compounds: Functional Groups, Infrared Spectroscopy, & Intermolecular Force 3. An Introduction to Organic Reactions: Acids and Bases 4. Alkanes: Nomenclature, Conformational Analysis, & An Intro to Synthesis 5. Stereochemistry: Chiral Molecules 6. Ionic Reactions - Nucleophilic Substitution & Elimination Reactions: Alkyl Halides 7. Alkenes & Alkynes: Properties & Synthesis, Elimination Reactions of Alkyl Halides 8. Alkenes & Alkynes II: Addition Reaction 9. Spectroscopic Methods of Structure Determination 10. Radical Reactions 11. Alcohols & Ethers 12. Alcohols from Carbonyl Compounds, Oxidation-Reduction & Organometallic Compounds 13. Conjugated Unsaturated Systems 14. Aromatic Compounds 15. Reactions of Aromatic Compounds 16. Aldehydes & Ketones I: Nucleophilic Additions to the Carbonyl Group 17. Aldehydes & Ketones II: Enolates & Enols Aldol & Alkylation Reactions 18. Carboxylic Acids & Their Derivatives: Nucleophilic Substitution at the Acyl Carbon 19. Synthesis & Reactions of a-Dicarbonyl Compounds: More Chemistry of Enolate Ions 20. Amines 21. Phenols & Aryl Halides: Nucleophilic Aromatic Substitution 22. Carbohydrates 23. Lipids 24. Amino Acids & Proteins 25. Nucleic Acids & Protein Synthesis

Chiwila
Experienced Tutor for IB, IGCSE, GCSE, EDEXCEL, A-LEVELS, CHECKPOINT, EB, IPC, AMERICAN CURRICULUM
I am an experienced and certified mathematics tutor specializing in a range of curriculums, including AS and A-Levels, IGCSE, GCSE, SATs, Edexcel, and the International Baccalaureate (IB). With a proven track record of guiding students to success in these rigorous exams, I understand the unique challenges each curriculum presents. My approach is designed to meet each student's individual needs and learning style, ensuring that they receive the tailored support necessary to excel. Mathematics can often seem daunting, but my goal is to help students build a deep understanding of mathematical concepts. I believe that a solid foundation in the basics is crucial, and I work to ensure that students grasp fundamental principles before moving on to more complex topics. This method not only boosts their confidence but also prepares them for advanced problem-solving scenarios. I utilize a variety of teaching methods, from visual aids to interactive exercises, to cater to different learning styles and make the subject more relatable. In my sessions, I focus on developing effective problem-solving strategies. I guide students through step-by-step processes for tackling various types of mathematical problems, helping them to analyze questions critically and approach solutions systematically. This analytical skill is invaluable, not just for exams, but for future academic pursuits and real-world applications. I encourage students to ask questions and engage in discussions, as this fosters a deeper understanding of the material. I also recognize that exam preparation involves more than just understanding the content; it requires familiarity with the exam format and types of questions they will encounter. I provide targeted practice using past papers and mock exams, which allows students to hone their test-taking skills and time management. This practice is essential for building the resilience and confidence needed to perform well under exam conditions. Whether you're looking for support with fundamental concepts or advanced topics, I am here to provide clear explanations and structured guidance. My lessons are designed to be engaging and interactive, ensuring that students remain motivated and focused. I believe that learning should be a positive experience, and I strive to create a supportive environment where students feel comfortable expressing their concerns and challenges. Throughout my tutoring career, I have seen firsthand the transformative impact of personalized education. Many of my students have achieved outstanding results, including high grades and scholarships, thanks to the tailored support I provide. I take immense pride in their accomplishments, and my dedication to their success is unwavering. In addition to my expertise in mathematics, I emphasize the importance of a growth mindset. I encourage students to view challenges as opportunities for learning and growth. This perspective not only helps them in their studies but also equips them with resilience that will serve them well in all areas of life. If you're looking for expert tutoring that delivers outstanding results, I invite you to book a lesson today. Together, we can embark on a journey toward academic excellence in mathematics. I am committed to helping you achieve your goals and unlock your full potential. Don't hesitate to reach out; I am here to support you every step of the way!

Prof Jamal
✅ Math and Physics Course: Simple Method for Primary and Middle School Students [WEBCAM]
Hi there ! 👋 My name is Jamal and I am an experienced trainer, specialized in Maths and Physics-Chemistry courses, adapted to each student. 📚✨ ✅ Improve your skills: Do you want to progress in Math, Physics-Chemistry, or both? I offer personalized courses for primary, middle and high school students, as well as for adults. 🧑‍🎓👩‍🎓 ✅ All levels: No matter your level, even if you are a beginner, my courses are designed to help you progress! 🚀 ✅ Effective teaching method: My method is based on an approach that facilitates the assimilation of concepts, allowing you to succeed in your homework and exams. 🎯 I combine theoretical courses, practical exercises, tutorials, exam corrections and revision sheets. ✅ Varied Support: I use a multitude of supports, including presentations, games, videos, images, audios, and homework between sessions to make learning dynamic. 🎥🎮📖 If you need help, feel free to contact me. I am here to help students around the world improve their grades and skills! 🌍💪

Magdi
Chemistry & Science online Tutoring Classes for IGCSE, GCSE and IB curriculums
Hey, students! Have you ever wondered how your chemistry teacher became such an expert on all things molecules and atoms? Well, being a chemistry teacher requires a lot of hard work and dedication, but it's also an incredibly rewarding career. A chemistry teacher is someone who helps students to understand the amazing world of chemistry by breaking down complex concepts, conducting experiments and providing guidance and support along the way. They play an important role in helping us to understand how the world around us works and inspire us to pursue careers in science. If you're interested in becoming a chemistry teacher, this video is for you! We'll explore the qualities and skills you need to succeed in this exciting field, and give you some tips on how to make the most of your studies. So, let's get started! With over 20 years of experience, I have developed excellent and advanced teaching techniques that help students easily understand chemistry and science. I have great communication and presentation skills and remain patient and calm when tutoring. I constantly follow up on my students' learning progress and regularly assess their understanding through continuous solving of topical questions and past papers. I also maintain good follow-up with parents. My approach to teaching is results-oriented, with a focus on helping students master the content, both offline in Cairo, Egypt and online worldwide. With my qualifications and experiences; degree in pharmaceutical science, two master degrees, one is Master of Business Admiration “MBA” and many other postgraduate diplomas and certificates plus the Canadian Board of Pharmacy. Experiences: about 30 years practical experience in the field of pharmacy and pharmaceutical industry with parallel coaching and tutoring for Chemistry and science syllabus and subjects. Focusing mainly on British curriculums GCSE and IGCES and on International Baccalaureate “IB”. Have taught also college level chemistry curriculum of Canada and Egypt. For GCSE and IGCSE, I teach Cambridge, Edexcel, AQA, OCR and others, all Ol, As & A2. For IB, I teach both Sl & HL. I teach students from Year 9 to 12. Excellent teaching skills. Perfect explanation for the students. Continues follow up and assessment for the students with solving on topical questions and past papers. Topics of chemistry taught including but limited to: Stoichiometry, Atomic structure, Periodicity, Chemical bonding, Energetics, Kinetics, Equilibrium, Acids and bases, Redox, Organic chemistry and Measurements and analysis. Intensive summer courses available... Classes are online worldwide and offline in Cairo , Egypt. Areas: Nasr city, El Rehab, El Sherouq, Maadi, Mohandessin, Zayed, El Mokatam, October city and other areas in Cairo and Alexandria, Egypt.

Vincent
Cambridge IGCSE / GCSE /A-Levels / O-Levels / Checkpoint / SAT & IB Diploma in Mathematics and sciences (PHYSICS CHEMISTRY BIOLOGY)
Science includes all natural science subjects; PHYSICS, CHEMISTRY, BIOLOGY and MATHEMATICS . PHYSICS deals with MECHANICS of OBJECTS while CHEMISTRY deals with CHEMICAL CHANGES of different REACTIONS.On the other hand BIOLOGY is the study of LIFE PROCESSES and different MATERIALS that SUPPORTS LIFE.Whereas , MATHEMATICS is a subject that explains DIFFERENT CONCEPTS using NUMBERS and VARIABLES.

Nursiti
Private Lesson Chemistry for Grade 10 - 12, Experienced over 6 years
Chemistry is fun subject. Here I want to teach my student how to understand this subject and solve all the case related to Chemistry. As we know, chemistry is close to our life, in every single part of life this subject is exist. Chemistry exist in our food, body, and every chemical things in our home. That's why this subject is interesting. We learn Chemistry mean we learn all things in our life. In this class we will try understand the meaning, the reason, the formula and prepare to complete the assignment. What will you get? 1. The understanding of all theory in Chemistry 2. The understanding the background of formula 3. Learn to solve cases in the simplest ways 4. Complete the exercises at the end of each lesson