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Chemistry Videos 44 videos

Chemistry: 1.1 Lab Safety
570 Views

Don't even think about stepping foot into a lab until you drink a nice big cup of safe-ty. Safety lesson number one: do not listen to this descript...

Chemistry: 4.7 Atomic Emission Spectra and Flame Tests
395 Views

Today we're playing with fire. Wait, we're not supposed to say playing...having fun with fire? Today's lesson is on the colors that can be emitted...

Chemistry: 2.1 Significant Figures and Scientific Notation
408 Views

These figures may not be significant to you, but they matter to us, okay? Oh, and to Science. They matter a ton to Science.

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Chemistry: 4.1 Atomic Theory 115 Views


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Description:

Today we'll be discussing atomic theory and plum pudding. Pro-tip: don't go into this video hungry like we did. You may end up focusing on the wrong parts...

Language:
English Language

Transcript

00:04

World champion surfer Tristan

00:06

Kifer has out surfed them all [Tristan surfing]

00:08

professional surfers from every corner

00:10

of the earth or never the edge of a

00:12

sphere is have tried and failed to beat him

00:15

at this point Tristan has only one [Tristan with a gold medal]

00:17

challenge left to overcome.

00:20

He desperately wants to beat the speed of

00:22

light his friends have advised him to [Friend advising Tristain not to beat the speed of light]

00:25

let this one go but Tristan has always

00:26

been more brawn than brains he'll just

00:29

have to learn this one the hard way

00:30

Tristan figures that beating light

00:32

should be right in his wheelhouse light

00:34

travels in waves and well so does he [Tristan surfing on a light wave]

00:37

unfortunately what Tristan doesn't know

00:39

about light could fill a beach house he

00:41

doesn't know for example that the speed

00:43

of light is a constant in other words it

00:46

travels at exactly the same speed [Wave of speed of light and shark moves along]

00:48

whether or not it's being chased by a

00:50

hungry shark that speed is 2.99 eight

00:53

times ten to the eighth meters per

00:54

second or if you're big on seeing

00:56

everything written out in long form well

00:59

here you go yes that.. This constant speed

01:02

is symbolized by the letter C Tristan

01:05

also doesn't know that the speed of

01:06

light is equal to wavelength time [Speed of light formula on a chalkboard]

01:08

frequency which are represented by these

01:10

symbols right here now wavelength and

01:12

frequency are not constant but they are

01:14

inversely proportional i.e when one gets

01:17

bigger the other gets smaller which is

01:19

how the speed of light remains constant

01:21

no matter what yet another thing about

01:23

which Tristan is clueless is the concept [Tristain standing alone in a room]

01:25

of amplitude imagine a calm ocean not

01:29

Tristan's cup of tea but stick with us this

01:32

is like the baseline of a wave now when

01:34

a storm's a-brewin and those waves are [Wave going through an ocean]

01:36

really rolling there is oscillation as

01:39

sometimes the top of a wave is higher

01:41

than our baseline and sometimes the

01:43

surface of the water is a bit below our

01:45

baseline roughly the same dealio with

01:47

waves of light the distance the height or

01:50

depth of a wave extends above or below

01:52

the baseline is the amplitude niche [Height shown for a wave]

01:56

looks like if this wave could use an

01:58

amplitude adjustment anyway, Tristan

02:00

armed with practically zero knowledge

02:02

but the heart of a champion is all ready [Tristan on a beach with his surfboard]

02:04

for the big day so close one can anyone

02:07

say rematch..

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