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This teacher has a fast response time and rate, demonstrating a high quality of service to their students.
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Since July 2025
Instructor since July 2025
Math Chemistry English and most Sciences. Professional Chemist.
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From 34 C$ /h
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20 Years Experienced Tutor Professional Chemist and Instructor
Plethora of Reference Material
Library of Topics/Problems/Exams for Study/Reference

100s of Students Helped

High School - College - Graduate Levels

Algebra, Calculus, Geometry, College Math, Chemistry, Biochemistry, Biology, Physics, Test Prep., Writing, Projects, Statistics, Nursing, Pharma, and more.

Catch up or get ahead - improvement is imminent
Location
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At student's location :
  • Around Prague, Czech Republic
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At teacher's location :
  • Lipanská, Žižkov, Prague, Czechia
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Online from Czech Republic
About Me
It is a great feeling for both when the student's smiling face says, "Now, I understand".

My tutoring style uses interactive web tools and is unique to each student.
Education
University of Florida. B.S. Chemistry.
Emory University. Ph.D. Chemistry.
Ongoing education throughout career. .
Experience / Qualifications
20+ years experience with 100s of students helped. Math, Science, English (Essays to publications), STATs, Test Prep., Nursing, Pharma, and more...

If your learning materials are confusing, we can find more.

If you do not understand your instructor, we will sort it.

High School to Graduate School
Age
Teenagers (13-17 years old)
Adults (18-64 years old)
Seniors (65+ years old)
Student level
Beginner
Intermediate
Advanced
Duration
60 minutes
90 minutes
120 minutes
The class is taught in
English
Availability of a typical week
(GMT -04:00)
New York
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At teacher's location and via webcam
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At student's home
Mon
Tue
Wed
Thu
Fri
Sat
Sun
00-04
04-08
08-12
12-16
16-20
20-24
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Johanna
I am an experienced university teacher in chemistry, biochemistry and biology. I make chemistry, biochemistry and biology lessons for high school and university students (graduate and post graduate level) tailored on students needs, especially in the fields of inorganic chemistry, nuclear-/radiochemistry, analytical chemistry, basics in physical and organic chemistry, environmental chemistry, soil chemistry, cell chemistry/cell biology, basics in microbiology, human anatomy and physiology.

The specific topics within chemistry can be e.g. Atoms, Molecules, and Ions, Stoichiometry, Chemical Reactions and Solution Stoichiometry, Gases, Thermochemistry, Atomic Structure and Periodicity, Bonding: General Concepts, Covalent Bonding: Orbitals, Liquids and Solids, Properties of Solutions, Chemical Kinetics, Chemical Equilibrium, Acids and Bases, Acid-Base Equilibria, Solubility and Complex Ion Equilibria, Spontaneity, Entropy, and Free Energy, Electrochemistry, Radiochemistry: radiation types, actinides, isotopes etc., Transition Metals and Coordination Chemistry, Organic and Biological Molecules.

The topics for biochemistry tutoring can cover e.g. Eukaryotic cell structure, DNA and RNA structure, Proteins structure and translation, DNA replication, RNA: Transcription, Biotechnology: Recombinant DNA, Gene expression, Enzymes: Kinetics, Biological membranes: Structure, Receptors.

For microbiology tutoring for example following topics can be taught: Types of microorganisms, Staining, Prokaryotic cells, Prokaryotic diversity, Gram-positive and Gram-negative bacteria, Habitats, Microbiomes, Archaea, Isolation of bacteria and fungi, Microbial growth, Environmental microbiology.

Human anatomy and physiology e.g.: Structure of cell, Cell growth and division, Cellular differentiation, Tissues (Epithelial, Connective, Muscle, Nervous), Nervous system (e.g. action potential, receptors, ganglia), Cardiovascular system, Respiratory system, Digestive system and metabolism, Urinary system, Lymphatic and Immune system.

Here's some information about me :)

I have a Ph.D. in chemistry from the University of Helsinki (Finland) and I am experienced in teaching high school and university students (both at the Bachelor's and Master's levels as an adjunct professor). In addition to the tutoring, I revise study essays, lab reports etc. as well.

Please, feel free to contact me specifying the topics/fields of chemistry/biology that you are looking tutoring for, and we can discuss the study plan then further.
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Kavin
My purpose here is to share the profound wisdom I’ve come to understand
I was born into Hinduism, but as an atheist, I often questioned whether I should follow it or reject it. For a long time, I chose to defy it. Yet, over the years, as I explored and understood more, I began to see the depth of its wisdom.

Behind the myths and rituals, I found layers of science, psychology, and philosophy. What once felt like blind tradition started revealing itself as profound knowledge about life, the cosmos, and human well-being.

It truly blew my mind to see how something I once dismissed could transform into a source of awe and understanding.
Below you will find a small snippet of its beauty:

One such intriguing idea, passed down through generations, became a cornerstone of Indian culture. Thousands of years ago, a thought arose in the mind of one of the most selfless humans I can imagine: “God lives everywhere — even in a simple stone.”

At first glance, it may seem strange, even naïve, to build an entire culture around such a belief. But look deeper — it wasn’t just mysticism. It was wisdom. Without such ideas, the selfish instincts of humans might have destroyed much of nature long ago.

Take the great Banyan tree in my own backyard. If not for the belief that “God lives in all things,” that tree might have been cut down generations ago. And with it, countless childhood memories — mine, and thousands of others like me — would have been lost.

This is why, in ancient times, temples were often built near old trees. Our ancestors, with their brilliant insight into human nature, understood a harsh truth: “We are our own worst enemy.” To counter this, they used faith itself as a strategy — channeling the idea of God to protect our co-dependents in nature and to preserve the ecological balance.

It was never really the irregularly shaped stone that saved the Banyan tree — it was the faith embedded in our culture. If a single idea could protect entire ecosystems and prevent our own extinction, then that idea was undeniably powerful. So powerful that it etched itself into human memory, passing through generations like a genetic imprint of wisdom.
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Contact Jonathan
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Similar classes
arrow icon previousarrow icon next
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Johanna
I am an experienced university teacher in chemistry, biochemistry and biology. I make chemistry, biochemistry and biology lessons for high school and university students (graduate and post graduate level) tailored on students needs, especially in the fields of inorganic chemistry, nuclear-/radiochemistry, analytical chemistry, basics in physical and organic chemistry, environmental chemistry, soil chemistry, cell chemistry/cell biology, basics in microbiology, human anatomy and physiology.

The specific topics within chemistry can be e.g. Atoms, Molecules, and Ions, Stoichiometry, Chemical Reactions and Solution Stoichiometry, Gases, Thermochemistry, Atomic Structure and Periodicity, Bonding: General Concepts, Covalent Bonding: Orbitals, Liquids and Solids, Properties of Solutions, Chemical Kinetics, Chemical Equilibrium, Acids and Bases, Acid-Base Equilibria, Solubility and Complex Ion Equilibria, Spontaneity, Entropy, and Free Energy, Electrochemistry, Radiochemistry: radiation types, actinides, isotopes etc., Transition Metals and Coordination Chemistry, Organic and Biological Molecules.

The topics for biochemistry tutoring can cover e.g. Eukaryotic cell structure, DNA and RNA structure, Proteins structure and translation, DNA replication, RNA: Transcription, Biotechnology: Recombinant DNA, Gene expression, Enzymes: Kinetics, Biological membranes: Structure, Receptors.

For microbiology tutoring for example following topics can be taught: Types of microorganisms, Staining, Prokaryotic cells, Prokaryotic diversity, Gram-positive and Gram-negative bacteria, Habitats, Microbiomes, Archaea, Isolation of bacteria and fungi, Microbial growth, Environmental microbiology.

Human anatomy and physiology e.g.: Structure of cell, Cell growth and division, Cellular differentiation, Tissues (Epithelial, Connective, Muscle, Nervous), Nervous system (e.g. action potential, receptors, ganglia), Cardiovascular system, Respiratory system, Digestive system and metabolism, Urinary system, Lymphatic and Immune system.

Here's some information about me :)

I have a Ph.D. in chemistry from the University of Helsinki (Finland) and I am experienced in teaching high school and university students (both at the Bachelor's and Master's levels as an adjunct professor). In addition to the tutoring, I revise study essays, lab reports etc. as well.

Please, feel free to contact me specifying the topics/fields of chemistry/biology that you are looking tutoring for, and we can discuss the study plan then further.
verified badge
Kavin
My purpose here is to share the profound wisdom I’ve come to understand
I was born into Hinduism, but as an atheist, I often questioned whether I should follow it or reject it. For a long time, I chose to defy it. Yet, over the years, as I explored and understood more, I began to see the depth of its wisdom.

Behind the myths and rituals, I found layers of science, psychology, and philosophy. What once felt like blind tradition started revealing itself as profound knowledge about life, the cosmos, and human well-being.

It truly blew my mind to see how something I once dismissed could transform into a source of awe and understanding.
Below you will find a small snippet of its beauty:

One such intriguing idea, passed down through generations, became a cornerstone of Indian culture. Thousands of years ago, a thought arose in the mind of one of the most selfless humans I can imagine: “God lives everywhere — even in a simple stone.”

At first glance, it may seem strange, even naïve, to build an entire culture around such a belief. But look deeper — it wasn’t just mysticism. It was wisdom. Without such ideas, the selfish instincts of humans might have destroyed much of nature long ago.

Take the great Banyan tree in my own backyard. If not for the belief that “God lives in all things,” that tree might have been cut down generations ago. And with it, countless childhood memories — mine, and thousands of others like me — would have been lost.

This is why, in ancient times, temples were often built near old trees. Our ancestors, with their brilliant insight into human nature, understood a harsh truth: “We are our own worst enemy.” To counter this, they used faith itself as a strategy — channeling the idea of God to protect our co-dependents in nature and to preserve the ecological balance.

It was never really the irregularly shaped stone that saved the Banyan tree — it was the faith embedded in our culture. If a single idea could protect entire ecosystems and prevent our own extinction, then that idea was undeniably powerful. So powerful that it etched itself into human memory, passing through generations like a genetic imprint of wisdom.
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