![subject](/tpl/images/cats/himiya.png)
Chemistry, 23.04.2021 23:30 haidenmoore92
The bright red line from the emission spectrum of hydrogen has a wavelength of 657nm. What is the energy, in joules, of a single photon of this light?
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 03:30
Select the correct answer. when carbon dioxide dissolves in water, it sometimes reacts with water to form carbonic acid as in this balanced equation: co2 + h2o → h2co3. if 495 milliliters of carbon dioxide at 25°c and 101.3 kilopascals reacts with excess water, what is the theoretical yield of carbonic acid? use the periodic table and the ideal gas resource a. 0.889 g b. 1.10g c. 1.27g d. 2.02g what's the answer! quick!
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 14:30
Aroom with dimensions 7.00m×8.00m×2.50m is to be filled with pure oxygen at 22.0∘c and 1.00 atm. the molar mass of oxygen is 32.0 g/mol. how many moles noxygen of oxygen are required to fill the room? what is the mass moxygen of this oxygen?
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 20:00
How are the terms group and period used on the periodic table
Answers: 1
![question](/tpl/images/cats/himiya.png)
You know the right answer?
The bright red line from the emission spectrum of hydrogen has a wavelength of 657nm. What is the en...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 24.06.2019 16:40
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 24.06.2019 16:40
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 24.06.2019 16:40
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
Physics, 24.06.2019 16:40
![question](/tpl/images/cats/health.png)
Health, 24.06.2019 16:40
![question](/tpl/images/cats/himiya.png)
Chemistry, 24.06.2019 16:40
![question](/tpl/images/cats/health.png)
Health, 24.06.2019 16:40
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/en.png)
English, 24.06.2019 16:40
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 24.06.2019 16:40
![question](/tpl/images/cats/istoriya.png)
History, 24.06.2019 16:40
![question](/tpl/images/cats/mat.png)
Mathematics, 24.06.2019 16:40