How To Calculate The Energy of a Photon Given Frequency & Wavelength in nm Chemistry

[@TheOrganicChemistryTutor]

Atomic Theory - Free Formula Sheet: bit.ly/3ZKCVXt Final Exams and Video Playlists: www.video-tutor.net/ Chemistry 1 Final Exam Review: kzbin.info/www/bejne/a6raYox-bL50bcU

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dude im learning this in AP chem lol

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[@georgesadler7830]

Professor Organic Chemistry Tutor, thank you for another great video/lecture on How To Calculate The Energy of a Photon Given the Frequency and Wavelength in General/AP Chemistry. This material is easy to follow provided that the correct formula is used to produce the solution. This is an error free video/lecture on KZbin TV with the Organic Chemistry Tutor.

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I learned so much in so little time!! Thank you Professor!

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You literally saved my life, I have a chemistry test tmr and I had no clue how to do any of this, but you taught it i 11 minutes. Thank you.

[@leila4208]

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[@franciskiambuthi6904]

This's the only channel that makes me love Chemistry.

[@InfinitePlayer209]

This is such a helpful video, my teacher didn't explain this at all and just handed us the worksheet for homework.

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How was the exam😏?

[@spyrex3988]

I'm a software engineer with zero chemistry i was working on a light simulation using rendering this is helpful thanks

[@mya4855]

i get the base number right, but not the exponents :'(

[@muhali5136]

press ENG after you get the base number

[@muhali5136]

2 years hhhhhhhhh\

[@ronelfronda928]

@@muhali5136 how do i write 500 nanometer to 500 x 10 something? i wanna know

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This helped me so much, thank you.

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[@schmetterling4477]

Yes, it's also completely wrong. ;-)

[@michellegavrikov1282]

Best video ever ! Literally saving me right now !

[@allyssapayongayong4092]

Where did you get the exponent -19????

[@Tugba.aydinn]

Mass of electron is 1.6*10^-19 it is fixed

[@ThePixelFighter]

I'm getting 3.98x10^-17. I have everything bracketed, what am i doing wrong?

[@stoplooking3369]

ThePixelFighter calculator might be set to radiant not degrees , change that in the mode setting

[@gemgaming4042]

Thank you so much! So simple and straight forward😊👍

[@katcampirides9699]

is anyone else not getting the same answers as he is? I'm typing in everything correctly and my numbers are very different than his. I've also tried two different calculators

[@alyssarose2818]

If you’re talking about 3:47, I got it wrong as well. Turns out, you have to divide by 5.00 x 10^-9, not 500. Thats what worked for me.

[@spcchckn]

@@alyssarose2818 You're a life saver! I was wondering where -19 came from when I recalculated again and still got 3.98*10^-37

[@spcchckn]

Ah nope my exponents are still not matching up :(

[@alyssarose2818]

@@spcchckn ~ make sure to use parentheses if you’re using a calculator!

[@eudsies123]

@@spcchcknparenthesis for each thing

[@Johnson_Amah]

How re you this good in explaining stuff

[@vanessaaa2759]

1:37 how did u get -22 from -34 and 9

[@randomracisthomoguy]

by multiplying terms with exponent, you need to add the exponents, -34 + 9 = -22

[@Ovijit001]

Life saver you are! Fine master you will become

[@m1asdream]

How do you get the -19 part tho because when I do it I get 17

[@jennahahn4891]

I love that KZbin teachers are always better than my teachers at my school

[@aglowrose4012]

Thank you so much! I was so confused but this was amazing and now I understand!!!

[@bryceedwards5786]

For problem #2 Make sure you put brackets around them like this: (6.626x10^-34)x(3x10^8)/(500x10^-9)

[@baronofbaobabs]

Thanks, Obama

[@Azureitsu]

Oh my God. I can't explain how i am so thankful of you sharing this. I am assigned as a student teacher tommorow for Science and afraid i might teach my classmates the wrong way! Thats why i am also confused as to why the answer in my calculator is different from the video, so its all about adding brackets. The thing is, _when will you add brackets?_

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Thanks,now I may have a chance at my Physics exam

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I have a retake test tomorrow and this actually saved me

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Wow your better than my teacher

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Thanks so much! This video helped me a lot with Inorganic Chem.🙏

[@Azureitsu]

For Problem #2 and #3, if anyone got the exponent - 31 using a scientific calculator, and it didn't align with the video which is - 19, simply add brackets to those 3 given, and add a multiplication sign between the two converging parentheses. For example (6.626 x 10^-34) x (3 x 10^8) ÷ (240 x 10^-9) Which would equate to 8.28 x 10^-19 As per shown in the video. If you get 8.28 x 10^-31 Instead, its because you forgot the parentheses, and that multiplication sign in between i guess.

[@MelanieC1222]

This was very helpful, thanks so much

[@anjaligurjar1510]

Thanks for such a video Love from 🇮🇳 india

[@kozuta8858]

help I got 3.9756E-37 how do I convert it to 3.98E-19

[@Tactyoh]

7:48 I typed in everything exactly like it was on screen and I got 1.325 E to the -33. I use the EE for all the 10 to the (insert power) on my TI 84 + calculator. It is set to degrees. Why am I not getting 1.325 E to the -18 as shown on screen?

[@kairymizu9530]

you're probably not including the parenthesis for the first number as well

[@Zappy229]

@@kairymizu9530 What does this mean 😭

[@Zappy229]

@@kairymizu9530 I'm having the same problem

[@tamarahector2365]

Your videos save lives

[@klieis9491]

Calculate the energy for a single photon of two lights given below (h = 6.626 x 10-34 J s). Do the energy values make sense? How? (𝑬 = 𝒉𝝂 = 𝒉𝒄), (𝑐 = 3.00×108 𝑚/𝑠), (h = 6.626 x 10-34 J s) (109 nm= 1m)

[@ashfisamia3256]

How do you put this in the calculator, I always get the wrong exponent.

[@marianaparra5797]

Did you ever figure it out?

[@JudyFernando29]

Thank you so much...... your explanation helped me a lot

[@carolinemaina4438]

Thank you 😩♥️ your my lifesaver

[@awesomerahul19]

Hello Friend. Please upload videos on UV/VIS, IR, 1H-NMR, 13C NMR and Mass Spectrometry. These important topics are underrated on KZbin.

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Very good explanation!

[@schmetterling4477]

No, it isn't.

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[@Johnnyking15]

i have learned so much from you .Thanks

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I have a test in like 20 mins tysm

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Mid-year Physics exam tomorrow and i was completely unaware of this entire topic because I was admitted to the grippy sock hotel when the teacher did this

[@shutongyang6460]

Dude, ur video helps me a lot!!!! Thank you soooooooooo much!! )

[@edwardmacnab354]

at 1:47 , the 1.82 x 10^-22 J is applied through 275x10^9 cycles or 275x10^9 wavelengths not by just one photon . One photon would be one wavelength or one cycle which is 6.626x10^-34 J which is the energy of ANY single photons .What you refer to as the energy is the "Cumulative energy" of a continuous series of photons that lasts one second. The felt power of a one photon depends on the time it takes for one photon to deliver it's energy . Thus short wavelengths have more felt power ,and long wavelengths have less felt power . But both short and long wavelength photons both have the same energy , 6.626x10^-34 J

[@schmetterling4477]

Photons don't have cycles. Only the averages of large numbers of photons can have wave properties.

[@edwardmacnab354]

@@schmetterling4477 and yet single photon experiments have been done where wave properties are exhibited

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Love this channel...saved me way to many times istg

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[@mrblackbird6936]

My calculator ain't giving me the right exponents but answer. However u made me pass my first semester of chemistryif I never came to u I probably would have failed

[@s1non971]

I got the answer but why it's raised to the power of -19 instead of -37?

[@lyniyahbrown2038]

same im trying to understand this too. glad im not the only one

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Yow bro.. You have another save life bro.. Wonderful ❤

[@jaimeduncan6167]

There is an immediate problem with this equation, that I have never seen addressed in a video: That implies that the energy of a photon is associated with its color at a fundamental level. That implies that the Doppler effect is magic, or that frequency and therefore time are relative to movement. This is a nice connection.

[@schmetterling4477]

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Thank you for absolutely everything!

[@cynthiasokunique]

thanks for saving my chem grades

[@sassyjenniekim9708]

How did you multiply #3 with 5mole multiply with Avogrado's number and the initial energy 8.28x10^-19? I couldn't get it on calculator.

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No

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Bruh you better than my actual chemistry teacher

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I wonder if this guy ever gets tired of the comments saying how broken the school system is or how he saved them from chemistry. Well, THANKS ANYWAY

[@ahmednasir9143]

What kind calculater use to calculate this

[@AshWest-j1r]

In my calculator i get a higher exponent like -34 instead of -19 do you know why

[@samanthanaicker8965]

How did you get ×10^-22 ?? i understood everything else jus not how you got that. Btw i jus started learning this subject 😅

[@amarnangia3754]

help. For number 2, I typed the equation and I used a energy calculator, but I got 2.4797 eV both times. Help

[@TheOverlordPepper]

For the second problem, how do I put all that in a calculator? I keep getting syntax errors

[@sebastiansantana2480]

What calculator are you using?

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I just knew organic chemistry was going to help me out. My professor sucks fr

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[@Artist-2027]

Ok so I’m confused on how you get the product with the sci. Notation, can anyone help explain

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Thanks american I am from India

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😂

[@Froze-rt2bk]

Guys I have a question about his first answer E= 6.626x10^-34•275x10^9 so shouldn’t E=1,822.15x10^-5 or in scientific notation 1.82215x10^-22 or did he just put 1.82x10^-23 for a reduced decimal? I’m really confused

[@razasyed575]

you the man homedog

[@martinfamily3623]

How do you get that correct exponent? When I enter into a calc it gives me 33 or whatever not -19

[@ArturoLopez-lm1gu]

Did he get 6:31 wrong? It's supposed to be 8.28x10^-17, not -19, right??

[@soobindoll9561]

I got 8.28X10^-19 as well

[@wanderingbelle7]

Thank you so much😭👏❤️

[@AuroraRealm93]

What is the frequency of a 72 keV x-ray photon?

[@schmetterling4477]

Photons don't have frequencies. Only the average of many photons (aka light) can have a frequency (and even that is the wrong way of looking at it - light doesn't have one frequency, it has a spectrum).

[@lyricalflora]

hey I ve a question . you guys using calculators to solve this kind of questions?

[@georgewood00]

Class video as always, cheers

[@corybennett507]

Where do you get h = 6.626x10^-34???? I’m missing this calculation to finish my problems

[@chandelured5734]

i think thats a constant

[@extraterrestrialorganism7940]

that's Planck constant

[@sivaramakrishnanr.7173]

how to calculate inverse of Planck constant

[@ramubellam7210]

you are the best!

[@devindithiloka2512]

Thankyou bro ❤

[@fariharahman2845]

Thank you ❤️

[@hannahedwards1874]

HELP! My exponent is not -19. What am I doing wrong???

[@carefulGz]

Same dude I got -18, I think we are right