Why learning with Classgap?

Satisfaction guaranteed

If you're not completely satisfied after your first class, we'll refund your purchase.

If you didn't do the lesson, it's cancelled or you are not completely satisfied within 24 hours passed your first lesson, we'll help you find a new tutor or refund your purchase.

Change the date at any moment

You can change the date of the class if something unexpected happens

Pay once you've received the lesson

We will make the payment of the lesson when finished

You will need to enter your payment details. In the case of individual class bookings the amount will be charged at the time of the class, but in the case of packs the payment is made in advance.

Jakub J.

He's from Poland


  • Biology Elementary sc., Middle sc., High sc. / Sixth form
  • English Elementary/A1-2, Intermediate/B1-2, Advanced/C1
  • Polish Elementary/A1-2, Intermediate/B1-2, Advanced/C1
  • Korean Elementary/A1-2
  • Chemistry
    Basic Chemistry Elementary sc., Middle sc., High sc. / Sixth form, University
    Inorganic Chemistry Elementary sc., Middle sc., High sc. / Sixth form, University



EnglishWorking proficiency

GermanBasic knowledge

CoreanBasic knowledge


Degree Chemical Technology - Bachelor Degree of Engineering Studying
Certification IELTS Academic on band 7.0 Studying


Hi! I am student of 4th year of Chemical Technology at Warsaw University of Technology. Besides of chemistry my hobbys are newest electronic technology and Korean culture. At first my lessons will not be lectures in which I give you tons of informations to remember. I want to make a conversation with you about given subject and make you think about it by exercises. That was always the best way for me to learn anything I'd to through my life and gave me the best effects. See you on the lesson!

Book an online lesson (The calendar displayed shows your local time)

Jakub J. accepts booking with at least 48 hours in advance.

hours Monday

About me (pictures, hobbies, extracurricular interests...)

Korean culture & language Electronic devices & technology Video games

Frequently Asked Questions

• Can I cancel a booking?

Yes, you can cancel booking up to 8 hours before the lesson starts, indicating the reason for the cancellation. We will study each case personally to carry out the refund.

• How do I pay for the lesson?

At the time you select a lesson or package of hours, you will make the payment through our virtual payment service. You have two options:
- Debit / Credit
- Paypal
Once the payment is settled, we'll send you an e-mail with the booking confirmation.

• Can I modify a booking?

Yes, something unexpected can always happen, so you can change the time or day of the lesson. You can do it from your personal area in "Scheduled lessons" through the option "Change date".

• How does a lesson at Classgap happens?

The class is done through classgap’s virtual classroom. Classgap was developed specifically for educational purposes, including many useful features such as: digital whiteboard, online text editor, webcam, screen sharing and many more.

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