sir I literally insisted 6 months ago that my family installs unlimited wifi in my house so I wouldn't miss a single video....to cut a long story short my parents are more then satisfied with my physics marks for term 1...so grateful I discovered you sir... thank you so much.....I hope I inspire someone out there by sharing that I got an 87% for my physics term 1 from a 45% in grade 11 as my pass mark so you see there's nothing special about me I'm not that smart and I gotta give Mr Lungisi some credit ...your videos helped me a lot sir thank you so much ...your methods are so easy to remember....for those who are reading....it's possible

@MlungisiNkosi

3 жыл бұрын

Come on now... Are you peeling onions 😭. I couldn't be happier hearing anything else. That's the reason I created this channel. And please know that you're very smart, you just needed the right nudge in the right direction. Please go on to chase that level 7 at the end of the year.

@nomaungelonkomo6194

3 жыл бұрын

Wow you go girl!!!!totally inspired....keep it up😊😊😊😊

@lehakoek555

2 жыл бұрын

Oh, my word... I'm so inspired right now. I so love it when we all win...

@yolisanopote3181

2 жыл бұрын

Wow beautiful. 🥺🥺💗 let’s get that distinction!!

@hlayani

2 жыл бұрын

Im so inspired by your comment

I'm currently upgrading physical sciences this year ,I wish I had found your channel earlier 😭 you are truly an amazing teacher

@MlungisiNkosi

3 жыл бұрын

Listen the most important thing is that you found it now... And welcome. You will not believe if I tell you that I went through the process of having to upgrade myself because my symbols for Maths and Physics were not great after Matric. Honestly I'm grateful for that period because that is the time when I got to enjoy these wonderful subjects... And that's what causes me to teach them with such passion. So, don't look down on yourself. Appreciate your journey and let's win 🤗

@djdanzo206

8 ай бұрын

motivated by this...🤜🤛@@MlungisiNkosi

@musadavid8174

2 ай бұрын

What a productive lesson teacher❤

well I now understand why I am upgrading physical sciences! I was just lost. THANK YOU FOR OPENING MY BRAIN.

@MlungisiNkosi

Жыл бұрын

The pleasure is all mine

@preciousngwenya1355

Жыл бұрын

@@MlungisiNkosi sir so every carboxylic acid donates only one proton in ionizing equation?

This Guy deserves 10 Million subscribers because with two 40min videos, he helped me understand what my Physics teacher couldn't teach me in 1-2 weeks yohhh. God bless you man.

@MlungisiNkosi

2 жыл бұрын

We'll get there some day... Thank you so much 😊

When you said “because ITS ILLEGAL”… I laughed so much😂😂

@MlungisiNkosi

Жыл бұрын

🤣🤣🤣🤣🤣🤣🤣🤣🤣

I only stared watching your video now and 2 thing for sure you are a great teacher and the funniest, I haven't enjoyed chemistry like this

Mlungisi Nkosi is really a good teacher I didn't know P2 I was struggling I am a grade 12 learner and I am going to write P2 with the next month and you are helping me and not I understand chemistry now so please do not stop what you are doing you are helping us❤️

@MlungisiNkosi

Жыл бұрын

Thank you sooooo soooo much 😊. All the best for your exams

You are a king You should be probs be the head of the department of education

I'm writing chem on Monday and I know I'll get an A for my final mark because of you sir, ke a go leboga ntate M💗

Once again, thank you so much. Your lessons are so helpful, you have no idea. Very much appreciated sir!

@MlungisiNkosi

3 жыл бұрын

It's a privilege, thank you 😊

You're the best, you just gave me a distinction for tomorrow's exam.

@MlungisiNkosi

2 жыл бұрын

Go and take what's yours guuurl

your videos are really helpful, i do homeschooling so most of the time im my own teacher which is hard at times but having you as my physics teacher brings me so much confidence in getting a distinction in the subject. thank you so much

@MlungisiNkosi

3 жыл бұрын

You're welcome Chantelle... I'm glad I could offer some assistance.

I always pause the video when we doing examples And the excitement I got when I got the same answers as you❤️🔥🔥 thank you soo much uncle

You're simply the best teacher sir. I really enjoy your lessons. They are fascinating! I'm learning a lot

@MlungisiNkosi

3 жыл бұрын

Thank you sir... I'm happy to help

@ayandamvuyo1530

3 жыл бұрын

Wow well done physician

@MlungisiNkosi

3 жыл бұрын

@@ayandamvuyo1530 thank you 😊

AMAZING lesson. Thank you so much for explaining grade 11 content and how it connects to this it is EXTREMELY helpful!

@MlungisiNkosi

3 жыл бұрын

You're welcome... It's unfortunate that we have to break it down to grade 11 and Grade 12 but in reality it's all one common body of knowledge called Physical Science...

Thank's mfowethu I'm using your videos to prepare for the upcoming final exam keep going man.🌍

@MlungisiNkosi

2 жыл бұрын

Mtakababa...

Thank you for the effort you put into your lessons..you’ve helped me so much 🙏❤️God bless you!

@MlungisiNkosi

3 жыл бұрын

Thank you soooo much. I'm glad I could assist.

I wish you were my teacher 😭😭 uthetha kuvakale 😂thank you so much Sir🙏

@MlungisiNkosi

3 жыл бұрын

I am your teacher... And together with your teacher at school sithetha kuvakale. Please honour and appreciate your teachers at school. The amount of work they do is phenomenal.

Thank you Mlungisi Nkosi,i have never done this before but i do understand,we did not have this in NCS syllabus and now im forced to know this staff,Thanks Mr

Sir, you are such a life saver. Thank you for your videos.

@MlungisiNkosi

Жыл бұрын

The pleasure is all mine ❤️

this is the best content my guy

Sir can I ask in the first solution that you did in order to get the concentration of H+ will you get penalized if you do I cross multiplication??

First time commenting ...Thank you very much for your work and lessons they're very helpful

@MlungisiNkosi

2 жыл бұрын

Glad you like them! And thank for the comment, it provides great feedback to me

cant wait for another part sir .keep it flowing sir

@MlungisiNkosi

3 жыл бұрын

Let's do that 😊

Thank you mlungisi you are really an amazing teacher🙏🏾

Am preparing for exam today but with this video I know everything with acid by now

@gugulonkendungwana3503

2 жыл бұрын

Me and you hey

@MlungisiNkosi

2 жыл бұрын

You're welcome.

Again, thank you so much, sir. Stay blessed 💐

@MlungisiNkosi

2 жыл бұрын

My pleasure

Good day sir. What exactly is the unit for volume? On the previous video it was cm^3 and i see now you are saying it’s dm^3? Which is basically the same as the unit for concentration if we never mind the mol?Your help would truly be appreciated 🙏🏾

@MlungisiNkosi

2 жыл бұрын

The correct measure we use is dm3 but when you’re using the titration formula, it’s ok to use (cm3)

Best Teacher

@MlungisiNkosi

3 жыл бұрын

Best student 😊

Good day sir @31:50 for the calculation of the concentration of H2SO4, would it be wrong if I first calculated the number of moles using n=m/M then substituted my n into C=n/v because I got 0.0625mol.dm-3 and you got 0.064?

@MlungisiNkosi

Жыл бұрын

That’s perfect 👍🏾

Very helpful Nkosi!!!!

@MlungisiNkosi

2 жыл бұрын

You're welcome mnake... 😊

Great Job Mlungisi

@MlungisiNkosi

5 ай бұрын

Thank you 🤩

@Elunico989

4 ай бұрын

How are acids and bases to you

Good day ,so on acid and bases you can use concentration with molar ratios instead of moles?

@MlungisiNkosi

Жыл бұрын

Yes you may because the volume is the same

You the best. 🔥

@MlungisiNkosi

3 жыл бұрын

Thank you 🙏🏾🤗

Yoh sir you're such a good teacher ! Ngiyabonga ungenze ngayizwa kangcono iAcids and bases

@MlungisiNkosi

Жыл бұрын

Ngiyabonga… Ngicela uyenzele umrivithi kwi Exam

@fikilecele3160

Жыл бұрын

@@MlungisiNkosi Hawema sir ngithole u94% for my Acids and Bases test ngiyabongaa kakhulu izandla zidlula ekhanda

hi sir i would like to find how acetic acid (ch3cooh) breaks up . at 10:02 you showed concentration of hcl and h+ is 1:1 what is the ratio for concentration of acetic acid and h+ thanks

@MlungisiNkosi

Жыл бұрын

CH3COOH --> CH3COO- + H+

Also sir, 28:04 you used 5g as it is. Will it not be wrong since Mass is measured in Kg and not grams? Were we not supposed to convert it to kg? Your help would be appreciated 🙏🏾

@MlungisiNkosi

2 жыл бұрын

Remember, mass is measured in grams in Chemistry. Only in Physics do we measure it in kg

Thank you sir🤗🤗

@MlungisiNkosi

3 жыл бұрын

You're welcome

Um sir I'm confused now Tracy from Mindset said all hydroxides are strong bases and not necessarily KOH and NaOH for example Mg(OH)2 and Ca(OH)2 are also strong bases. What's your take on that? She also mentioned that bases are not only hydroxides but can be oxides as well such as Na2O as in Sodium Oxide.

@MlungisiNkosi

3 жыл бұрын

Great question... Not all hydroxide are strong. Take NH4OH as an example, it's a very weak base. Unfortunately, in the limited time I have for my videos, I can't include everything. Mg(OH)2 and Ca(OH)2 is relatively strong in comparison to other bases but it certainly isn't the strongest. I have to try and limit the scope of my information to what is relevant for the Grade 12 syllabus. Hence I don't dwell too much on certain points. You and I as specialists in the field, can enjoy these discussions together.

@calvinbafshoe2626

3 жыл бұрын

@@MlungisiNkosi of course most definitely. Some of the info we have is not intended for Grade 12 you have to limit your scope. I sometimes do some introspection and I sometimes struggle to keep university content from school level content since I'm a new teacher but I will get used to it. Checking ATP and textbooks helps me because I sometimes include university content.

@MlungisiNkosi

3 жыл бұрын

@@calvinbafshoe2626 give yourself time sir. I promise you, at the rate you're going, in no time you'll be an industry specialist. It doesn't hurt to give our learners a little teaser into what they ought to expect beyond grade 12. I do that at times... It will earn you some points with your learners 😉

Love ur videos

@MlungisiNkosi

2 жыл бұрын

Thank you so much 😊

Hi sir how do you see that it’s a strong base or weak acid?

@noluthandohlatshwayo8011

8 ай бұрын

???

Thank you sir😊

@MlungisiNkosi

10 ай бұрын

Most welcome

Very useful videos

@MlungisiNkosi

2 жыл бұрын

Thank you 🙂

Hi sir on the first example, the one of 3 mol of HCl. Why is it HCl -> H+ + Cl- and not HCl + H2O -> H30+ + Cl- since HCl is dissolved in water

@MlungisiNkosi

2 жыл бұрын

It’s the same thing…

Thank you !!!!!!

@MlungisiNkosi

3 жыл бұрын

You're welcome

I love this video yhoo😭😭😭

Bro thank u..as if u knew tht am writting tmr🔥danko

@MlungisiNkosi

3 жыл бұрын

All the best

@payloadvutomi6608

3 жыл бұрын

@@MlungisiNkosi Thank u....i have a question...they alwys ask question like calculate the % of what2 nd idk how to do it e.g % yield nd idk what it is

@MlungisiNkosi

3 жыл бұрын

@@payloadvutomi6608 you're probably referring to those back titration questions... Please check my video on Acids and Bases from last year where I do past exam question. It may give some light

Sir im back, now we tackling paper 2 ,n after watching the Acid n bases playlist, i realized that physics p2 is not really that hard😹

@MlungisiNkosi

2 жыл бұрын

My goodness… You have no idea how that makes me feel. It’s just a pity I dance better in my mind but my body doesn’t cooperate 😂

Please check the problem of H2SO4 . We use ratio of moles not concentrations. Anyway it's a good lesson

@MlungisiNkosi

Жыл бұрын

It’s possible to use ratio of concentration if the volume of the solution is the same

@jonathanmadibane1241

Жыл бұрын

Thanks my brother 🙏

Thank you!!

@MlungisiNkosi

3 жыл бұрын

You're welcome

"It's illegal"😂😂❤

Thankuu 🙏so much sir

@MlungisiNkosi

2 жыл бұрын

My pleasure

Thanks a lot

@MlungisiNkosi

3 жыл бұрын

You're welcome

So the concentration of a strong acid is equal the concentration of hydronium ions?

@MlungisiNkosi

2 жыл бұрын

Well, that’s an assumption we make… Yes. However, it isn’t so in reality

Sir may you please Do a grade 12 Newton's second law exam question run through/revision 😊

@MlungisiNkosi

9 ай бұрын

As soon as possible

Hi Sir! At 13:32 , why can we not write CH3COOH as 4H+ + CCOO?

@MlungisiNkosi

Жыл бұрын

Great question… If you consider its structure, you’ll realise it can only give away one H+ ion and it actually doesn’t even like giving that away either

Sir Do you conduct one on once online classes if so how how do you charge?

@MlungisiNkosi

3 жыл бұрын

I do. Please send an email to mlungisi.m.nkosi@gmail.com

thank you

@MlungisiNkosi

2 жыл бұрын

You're welcome

Hi sir! Do we need to know how to ionize the substances?

@MlungisiNkosi

2 жыл бұрын

I think it's worth knowing...

@cleopatralove6872

2 жыл бұрын

@@MlungisiNkosi okay sir😣thank you!

Hahaha 🤣🤣 you remind me of myself when I say that to my learners I be like don't ask me why an increase in temperature favors the endothermic reaction it is what it is and just memorize that way.

@MlungisiNkosi

3 жыл бұрын

That's very necessary at times 😂

@calvinbafshoe2626

3 жыл бұрын

@@MlungisiNkosi Yes 100% necessary some things are best memorized. You don't have to know all the details about them

@MlungisiNkosi

3 жыл бұрын

@@calvinbafshoe2626 I totally agree. My rule is: if the explanation will be of some value or benefit, then by all means, explain. But if it adds no value into the lesson, just memorise it and move on.

@misspres9788

2 жыл бұрын

That " don't ask me how I got to that, ha a" got me dead 🤣🤣

👍🏽✊🏽

@MlungisiNkosi

2 жыл бұрын

❤️❤️

Mlungisi i wish you can teach me how to round off to the nearest significant figures I'm really struggling 😪💔

@MlungisiNkosi

3 жыл бұрын

Usually, you have to round of to two decimal places in Physical Science Grade 12.

Danko meneer😂❤

@MlungisiNkosi

3 жыл бұрын

Danko 😂

oh my gosh how do i know which video you posted before this...what should i watch first...please put links in the bio next time

@MlungisiNkosi

2 жыл бұрын

Thank you for the advice. Please check Playlists

Sir you made a mistake Volume made over 100 but it did not affect the working out thanks alot

@MlungisiNkosi

2 жыл бұрын

I didn't realise that... Apologies.

Kanti it’s so easy 😭

@MlungisiNkosi

2 жыл бұрын

Yep... We were told a lie neh.

sir make sure we ace matric

@MlungisiNkosi

2 жыл бұрын

I'm doing my part... Now, you do yours.

😲I gave u 100% physical sciences certificate📄

@MlungisiNkosi

3 жыл бұрын

Thank you for the honour 😊

Hi Mlungisi😊Question: at the time stamp of 31:49 , look, the volume of the water is 0,8 dm^3 . However When the HCl is added to that volume it obviously comes with its own volume that adds on to the volume of water. So why are we ignoring the volume that HCl brings into the volume of water ? I think they should have given us the volume of HCl. Then we would add the 2 volumes to get the FINAL volume and then from there we solve for concentration. Would you agree with me ? Hope to hear soon 😊🌹

@MlungisiNkosi

Жыл бұрын

Well I agree somewhat… but this is hardly ever the case. But also when you use anhydrous HCl it won’t be the case