- Видео 123
- Просмотров 21 761
Bow Tie Guy
Добавлен 14 апр 2011
A Level and GCSE Chemistry teaching, usually recorded in my lab during actual lessons. Hope it helps.
13CHEM Carboxylic Acids 2
How triglycerides are composed of glycerol and fatty acids. Hydrolysis of esters to make soap. Why soap can act as an emulsifier.
Просмотров: 34
Видео
13CHEM Carboxylic Acids 1
Просмотров 202 часа назад
Introduction to carboxylic acids, naming and a few reactions
13CHEM Aldehydes and Ketones part 4
Просмотров 33Месяц назад
The mechanism for Nucleophilic Addition for the reduction of aldehydes and ketones using NaBH₄ with H⁻ as the nucleophile. The same mechanism for addition of CN⁻ and an explanation as to why the product shows no optical activity.
13CHEM Aldehydes and Ketones part 3
Просмотров 42Месяц назад
Oxidation reactions of alcohols and aldehydes. Oxidising agents used. Chemical tests for aldehydes. How to oxidise a primary alcohol and stop at the aldehyde.
13CHEM Aldehydes and Ketones part 1
Просмотров 30Месяц назад
Introduction to the topic of Optical Isomerism
12CHE MK&E 2 - Arrhenius part 1
Просмотров 687 месяцев назад
A quick introduction to the Arrhenius rate equation, using it to calculate values for k
12CHE MK&E 1 - The Rate Equation
Просмотров 287 месяцев назад
More Kinetics & Equilibria - First lessons on the Rate Equation and rate order
13CHE Transition Metals revision
Просмотров 577 месяцев назад
A whistle-stop tour through transition metals, focussing on the four key properties of the metals. 1. Forming Coloured compounds 2. Making good Catalysts 3. Formation of Complex ions 3. Variable oxidation states (different Charges) Remember the 4 Cs: Colours, Catalysts, Complexes, Charges
13CHE Carboxylic Acids 3 - Acylation
Просмотров 76Год назад
Working through the addition-elimination mechanism of acylation using ethanoyl chloride with water, methanol, ammonia and amines. Application of acylation in making aspirin (the full explanation of why ethanoic anhydride is used will be covered in the next video)
12CHE Energetics 5 - Mean Bond Enthalpy
Просмотров 30Год назад
Definition of Mean Bond Enthalpy and a few examples of how values can be used to solve typical problems.
12CHE Energetics 4 - Standard Enthalpy of Combustion
Просмотров 49Год назад
More on the Standard Enthalpy of Combustion, with examples and some tips to avoid questions combining Combustion and Formation.
12CHE Energetics 3 - Introduction to Enthalpy of Combustion
Просмотров 25Год назад
Standard Enthalpy of Combustion is defined and some examples given
12CHE Energetics 2 - Enthalpy Change of Formation
Просмотров 26Год назад
Enthalpy Change of Formation is defined and examples of reactions given. We then use enthalpy data to answer a few example questions.
11CHE - Cracking
Просмотров 91Год назад
A quick review of fractional distillation and an explanation of why cracking is necessary. Some examples of cracking reactions and how to balance them. A brief introduction to alkenes and the bromine water test for unsaturated compounds.
13CHE - Acids and Bases part 4: Buffer Solutions
Просмотров 56Год назад
13CHE - Acids and Bases part 4: Buffer Solutions
Do you perform at parties???
Do you perform at parties???
Do you perform at parties???
Do you perform at parties???
Do you perform at parties???
Do you perform at parties???
Do you perform at parties???
Thank you!
The return of the king!!! 👑👑👑
Thanks Max. I miss you too.
I can't see a period 3 oxides revision video on your channel. Is there a possibility of one in the future?? It would also be amazing if you did a re-do or extension to this video with ligand exchange. Thank you so much for your channel. It's my go to for revision videos :)
get off youtube and stop yapping sir
Shut up KOG
Warra lesson
Energetics? This lesson sure did energize the shadingle out of me haha
Another classic from my main man the bow tie guy 😉
We getting out the lab with this one 👌
Cheers mate nans shushed the old peoples home thinking shes scored a last minute screamer
Pipe down Mr Howard
I edge to this
Sorry master cat ran across the keybord
Now this is a hood classic!
Hey buddy ur videos rlly enjoy me and make giddy ❤❤
Wow nice video
2nd view😂
God amongst men
Ladies and Gents please make sure before we begin that al shirts are tucked in
Take your seats
a simpler time
10/10, would listen again
Peter we'll have a talk about this in the staff room tommorow
xD
He left
9 yrs later he's working at St anselms still
He is my English teacher OMG !!!!!!! I will never take him seriously again
Omg he is my English teacher !!!!!!!!!! :) I will never take him seriously again !!!!:)
omg he's my english teacher!!
haha Mr.Ravenscroft! i thought u were scarey but not anymore sorry!
@arttally109 hehe I could!!!!
And I really couldn't imagine sir doing this....
@piggie bacon ... calm down we all knew ther was something strange about him....
Oh yer.....why did u do this sir!!!!!!
Hehehehe I WILL TAKE U SERIOUSLY AGAIN SIR! Wayyyyyyyy!!!! Hehe welcome to st Mary's! U scared me but never again!!!!!
This is so funny he now teachs ar our school
shake your booty yolanda
Sir
meg griffin
My last name is Ravenscroft my name is Brooklyn Ravenscroft :-D
@iiWedgiev radiohead creep. the original obviously is better ;)
dont leave sir we love you!!!
Nah we need him more
what a legend Dillon is
Oh no
Smooth at the end like
i didn't expect this to be Mr sheppard!!
he he "Peter"...