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The Backyard Scientist
Synthesis of Benzocaine. A ester of PABA and Ethanol.
Today im demonstrating the Synthesis of Benzocaine! <br/>
I used<br/> 150<br/>ml EtOH
15gm PABA
6ml Sulfuric acid
I used<br/> 150<br/>ml EtOH
15gm PABA
6ml Sulfuric acid
Curated Video
Interpreting Data on a Line Plot
In this video, the teacher explains how to interpret data on a line plot to solve a problem. The line plot represents a survey of 20 people and shows the number of hours they exercise each day. The teacher demonstrates how to find the...
The March of Time
German U-boat
MOT 1942: GERMAN U-BOAT: DRAMATIZATION: INT German Nazi submarine sub w/ officer bent over looking in periscope back & forth. EXT ABOVE Rising submarine. MS Two men using binoculars on deck. DRAMATIZATION: POV binoculars (template) w/...
Englishing
Lesson on the difference between MUCH & MANY ? - FIND OUT HERE!
In this mini lesson Mr. P./Marc will show you when to use “much” and “many”. He will start by looking at how much and then by using “much” in a negative sentence. He will then move on by explaining how many and many in negative...
Curated Video
Elasticsearch 7 and Elastic Stack - In Depth and Hands On! - Wrapping Up
This video presents a summary of the entire course.<br/<br/>>
This clip is from the chapter "You Made It!" of the series "Elasticsearch 7 and Elastic Stack - In Depth and Hands On".This section wraps up the course.
This clip is from the chapter "You Made It!" of the series "Elasticsearch 7 and Elastic Stack - In Depth and Hands On".This section wraps up the course.
Rachel's English
IMPOSSIBLE! [or NOT?] – Learn English Conversation in 4 Hours Part 33
If you want to know how to learn English conversation, improve your English comprehension, think in English, speak faster and stop translating in your head this video is just for you! English conversation practice is the best way to move...
Curated Video
KS2 Primary Maths Age 13-17 - Measure: Units and Conversions - Explained
SchoolOnline's Primary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 9-13, they cover every key topic and sub topic covered in Maths in clear and easy to follow steps.
This video...
This video...
Curated Video
How to Stay Motivated While Studying for IELTS
How to Stay Motivated While Studying for IELTS
Curated Video
Comparing Graphs and Equations Representing Proportional Relationships (Example)
Compare graphs and equations to determine which relationship had a greater rate of change.
Curated Video
How to Determine Unit Rate for a Real World Situation
In this short video we will answer a standardized math test question where we are asked to determine the unit rate for a real world situation. We will first identify the real world rate given in the problem. We will understand that all...
Curated Video
Division by Subtracting Equal Groups
In this lesson, students will learn how to solve division problems by subtracting equal groups. They will understand that division is the inverse of multiplication, and that when dividing, they can either determine the number of groups...
The March of Time
1952: ALLIED-OCCUPIED VIENNA
MOT 1952: ALLIED-OCCUPIED VIENNA: ECONOMY: VS Unidentified man carrying painting up sidewalk & into building, WS 'Dorotheum' auction house sign. VS Goods displayed, man holding painting, appraiser giving receipt. VS items for sale. VS...
Next Animation Studio
NASA finds Neptune’s moons engaged in dance-like movement
Thalassa and Naiad appear to be locked in an intricate ‘dance of avoidance’ that keep their respective orbits stable, according to NASA.
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Curated Video
Core Java Programming Course- Time Difference
This video explains all about focuses on time difference.
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This clip is from the chapter "Date and Time Operations (Rev Java 8)" of the series "Learn How to Code: The Complete Core Java Programming Course".This section...
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This clip is from the chapter "Date and Time Operations (Rev Java 8)" of the series "Learn How to Code: The Complete Core Java Programming Course".This section...
Curated Video
KS2 Primary Maths Age 13-17 - Ratio, Proportion and Algebra: Finding Missing Numbers - Explained
SchoolOnline's Primary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 9-13, they cover every key topic and sub topic covered in Maths in clear and easy to follow steps.
This video...
This video...
Brian McLogan
Solving and graphing a linear inequality word problem
Learn how to solve multi-step linear inequalities having no parenthesis. An inequality is a statement in which one value is not equal to the other value. An inequality is linear when the highest exponent in its variable(s) is 1. (i.e....
Curated Video
A1 English Listening Practice - The Internet
This video serves as English listening comprehension practice for beginner students. In this video, a native English speaker talks slowly and clearly about the topic of the internet. The subtitles are included at the bottom of the screen...
Curated Video
The Complete Ethical Hacking Bootcamp: Beginner To Advanced - Nmap - 2
In this video, you'll continue to learn about Nmap.
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This clip is from the chapter "Active Information Gathering and Port Scanning" of the series "The Complete Ethical Hacking Bootcamp: Beginner To Advanced".In this section,...
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This clip is from the chapter "Active Information Gathering and Port Scanning" of the series "The Complete Ethical Hacking Bootcamp: Beginner To Advanced".In this section,...
Curated Video
10 Essential Phrasal Verbs for Everyday Conversation | English Vocabulary
In this video you will learn 10 phrasal verbs that native English speakers commonly use in everyday conversations. These are very common phrasal verbs that people use in their daily life. Common English phrases and phrasal verbs are...
Music Matters
10,000 Hours to Master the Piano? - Music Performance
Does it really take 10,000 hours to master the piano? This music performance lesson explores the theory that 10,000 hours is what is needed to produce a great pianist. The idea comes from Malcolm Gladwell, that it takes about 10000 hours...
Curated Video
Robotic Process Automation - UiPath RPA Developer Masterclass - RPA - Pros (Benefits)
In this video, you will learn the pros of RPA technology. The video also includes an example to see the benefits of applying RPA to a simple—but relevant—process.
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This clip is from the chapter "Introduction to RPA and Its...
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This clip is from the chapter "Introduction to RPA and Its...
Kids’ Poems and Stories With Michael Rosen
Chapter 1 | STORY | You're Thinking About Doughnuts
Chapter 1 | STORY | You're Thinking About Doughnuts
When Frank's mom has to work late one Friday cleaning the local museum, he finds himself spending a lonely night roaming the dark halls - until a chatty skeleton appears and...
When Frank's mom has to work late one Friday cleaning the local museum, he finds himself spending a lonely night roaming the dark halls - until a chatty skeleton appears and...
Curated Video
GCSE Secondary Maths Age 13-17 - Number: Time Problems - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow...