![subject](/tpl/images/cats/himiya.png)
Electrons striking the back of a TV screen travel at a speed of about 7.2 x 107 m/s. What is their de Broglie wavelength? M = 9.11 x 10-31 kg Characteristic X-rays emitted by molybdenum have a wavelength of .087 nm. What is the energy of one of these x-ray photons?
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 23:00
Achef makes salad dressing by mixing oil, vinegar, and spices, as shown. which type of matter is the salad dressing?
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 10:00
Drug abuse will not lead to physical and psychological dependence. true or false ?
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 15:00
Phosphorous acid, h3po3(aq) , is a diprotic oxyacid that is an important compound in industry and agriculture. p k a1 p k a2 1.30 6.70 calculate the ph for each of the points in the titration of 50.0 ml of 1.5 m h3po3(aq) 1.5 m h 3 po 3 ( aq ) with 1.5 m koh(aq). 1.5 m koh ( aq ) .
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 15:40
Use the periodic table to complete this equation that represents nuclear fission processesun - ba c 3 n
Answers: 2
You know the right answer?
Electrons striking the back of a TV screen travel at a speed of about 7.2 x 107 m/s. What is their d...
Questions
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
History, 21.07.2019 17:50
![question](/tpl/images/cats/istoriya.png)
History, 21.07.2019 17:50
![question](/tpl/images/cats/mat.png)
Mathematics, 21.07.2019 17:50
![question](/tpl/images/cats/fizika.png)
Physics, 21.07.2019 17:50
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 21.07.2019 17:50
![question](/tpl/images/cats/en.png)
English, 21.07.2019 17:50
![question](/tpl/images/cats/en.png)
English, 21.07.2019 17:50
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 21.07.2019 18:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 21.07.2019 18:00
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/istoriya.png)
History, 21.07.2019 18:00
![question](/tpl/images/cats/mat.png)
Mathematics, 21.07.2019 18:00