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As a student, WATCH THIS, if you want to make that A1 in this year's WAEC Chemistry Examination.

As a teacher, please kindly share with your students to help them make that elusive A1 in chemistry.������


https://www.youtube.com/watch?v=mRbZACJxcX0

Watch this video and learn how to calculate the percentage and molecules of water of crystallization present in one mole of a hydrated salt (based on the redox titration between iodine and sodium thiosulphate pentahydrate) for this year's WAEC Chemistry Practical.


https://www.youtube.com/watch?v=pmVivnVIeOk

Follow the link to learn how to carry out the two different sets of tests for recommended salt for qualitative analysis, in this year's WAEC chemistry practical; especially the changes that occur when the salt reacts with acidified K2Cr2O7.


https://www.youtube.com/watch?v=BZXNIQUDr4g

This video looks at the possible questions that candidates can encounter in the 2022 WAEC Chemistry Practical examination, with their corresponding solutions or answers based on the redox titration between iodine and sodium thiosulphate solutions. It also contains and explains the table of values for the titre value of the titration we carried out Part 1. Kindly share among chemistry tutors and students.


https://www.youtube.com/watch?v=cs08TER4hvA

As a chemistry tutor, are you having nightmares decoding that iodimetric titration?

Just watch this video to the end, and see your problems vapourise!

Kindly share with other chemistry tutors and subscribe to our channel for more uploads.


https://www.youtube.com/watch?v=XkozjhiGQG0

Follow the link to learn how to determine the four quantum numbers of valence electrons in the atom or ion of an element.


https://www.youtube.com/watch?v=4wcCshMi26U

Follow the link below to learn how to write the electronic configurations of transition elements using the spdf and KLMN notations, especially the electronic configurations of chromium and copper atoms and their ions.


https://www.youtube.com/watch?v=lGb5VNPcrWs

Follow the link to learn how to write the electronic configurations of the first 20 elements using the spdf notation. It covers how to use the electronic configuration of an atom to predict its position on the Periodic Table.


https://www.youtube.com/watch?v=tJYM4Svc92o

HAPPY EASTER TO YOU, MY FELLOW NAIRALANDERS! May the resurrection power of CHRIST make alive every good thing that had been dead in your lives, in Jesus' most precious name! Amen!!!

Have you been having nightmares understanding the quantum numbers? Follow the link to overcome your nightmares in our new upload, titled QUANTUM NUMBERS SIMPLIFIED. It simplifies the concept of quantum numbers and its relation to atomic orbitals and electronic configuration.


https://www.youtube.com/watch?v=aDtB7VTS3ek

Click to watch how to test for chloride ions using aqueous silver trioxonitrate (V), trioxonitrate (V) acid and aqueous ammonia.

https://www.youtube.com/shorts/EGzqwDeRedg

Follow the link below to learn how to carry out a confirmatory test for lead (II) ions using aqueous sodium hydroxide, ammonia and potassium iodide:

https://www.youtube.com/shorts/bOrqTtFK87c

It is obvious that you know how to write the electronic configuration of the first 20 elements using the KLMN notation. But do you know the electronic configurations of potassium and calcium are not 2,8,9 and 2,8,10 respectively? Follow the link below to learn why!


https://www.youtube.com/watch?v=9BKk9QGNQM0

Learn how to solve projectile motion problems by using step-by-step solutions to questions and calculations on projectile motion as explained in this video. It covers questions on vertical projection, horizontal projection and angular projectile motion.


https://www.youtube.com/watch?v=6ZKr_iViNkU

Follow the link to learn how to test for iron (III) ion in about 60 seconds using aqueous sodium hydroxide and aqueous ammonia.

https://www.youtube.com/shorts/Ho4LfFu6gYg

Learn how to derive and apply the formulas for angular projectile motion via:


https://www.youtube.com/watch?v=RXe4GyhUl4U

Follow the link to learn how to test for iron (II) ions, in less than 60 seconds, using aqueous sodium hydroxide and aqueous ammonia

https://www.youtube.com/shorts/5oIVzsVgodc

Follow the link to learn how to derive and apply the formulae of vertical projection in our latest Physics tutorial.


https://www.youtube.com/watch?v=dI1bo9AyaHI

ogyunging:
Interesting

Thank you for watching.

The free movement of a body launched into the air in a parabolic path under the influence of gravity and air resistance is known as projectile motion. Follow the link to learn more about the Principles of Projectile Motion


https://www.youtube.com/watch?v=l7ayI0WvFp0

The relative atomic masses of elements are not whole numbers due to the phenomenon of isotopy. Follow the link to learn how to calculate the relative atomic mass of an element when the relative abundances of its isotopes and their atomic masses are given:


https://www.youtube.com/watch?v=UDh3ov2rics

The discovery of isotopy led to one of the modifications of Dalton's Atomic Theory. Follow the link below to learn about the concept of isotopy with common examples of elements that exhibit isotopy and their uses.


https://www.youtube.com/watch?v=knbUMtDY_Ww

Follow the link to learn how to apply the principles of mole concept in volume relationships between reactants and/or products.


https://www.youtube.com/watch?v=d0Jy5KQSQjw&t=620s

Learn how to apply the mole concept in solving questions involving the mass and volume of reactants and products.

https://www.youtube.com/watch?v=CeZGaaR9Qsk

Are you having issues understanding mole concept? Follow the link below to learn about the concept of a mole in relation to mass, volume, concentration and number of particles. It covers the definition of a mole and the different expressions of a mole in terms of mass, volume, concentration and number of particles with over 10 solved examples.


https://www.youtube.com/watch?v=kNfGo7FQd0g

Follow the link to learn about the Mass-Mass relationship from the second part of our series on Mole Concept and our first tutorial for year 2022!


https://www.youtube.com/watch?v=RretdG3i8P4

Drslime:
Why don't you have lectures on physics?

We are working on it. Hopefully, by the end of the 1st quarter, we should start uploading Physics tutorials.

Thank you for your visiting our channel!

https://www.youtube.com/watch?v=xiDFi9KPRfs

Welcome to YEAR 2022!


https://www.youtube.com/watch?v=xiDFi9KPRfs

Learn how to test for the presence of sulphate ions in an unknown salt (in 60 seconds) using aqueous barium chloride and dilute hydrochloric acid.

Follow this link to watch:
https://www.youtube.com/watch?v=j3nqEw6ohH4

Learn the relationship between the number of moles of elements deposited at the electrodes and the charges on their ions during the electrolysis of two or more electrolytes connected in series, as proposed by Michael Faraday. It contains detailed calculations examples on the second law of electrolysis.

Follow the link:
https://www.youtube.com/watch?v=6cRNtg1-r9w

Learn how to test for the presence of copper (II) ions in an unknown salt in (60 seconds) using aqueous sodium hydroxide and aqueous ammonia.


https://www.youtube.com/watch?v=ww9QycnpboE

Hi guys,

I trust you are all doing great! While waiting or preparing for your examinations, you can do well to check out this channel - The Science Chef Academy. It contains some valuable resources that will be beneficial to you, especially in chemistry. Just follow the link to view and if possible, subscribe.

Thank you.

https://www.youtube.com/channel/UC9aurmpggkIqjQn2wt4lH_Q