![subject](/tpl/images/cats/himiya.png)
Chemistry, 01.10.2019 02:30 kyreesegordon
How many photons are produced in a laser pulse of 0.897 j at 407 nm?
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 06:00
The tilt of the earth's axis of rotation is responsible for the a) ocean's tides. b) size of the moon. c) brightness of stars. d) earth’s seasons.
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 09:30
Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 09:40
Apiece of copper has a temperature of 75.6 0c. when the metal is placed in 100.0 grams of water at 19.1 0c, the temperature rises by 5.5 0c. what is the mass of the metal?
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 12:00
What is the subscript for oxygen in its molecular formula
Answers: 1
You know the right answer?
How many photons are produced in a laser pulse of 0.897 j at 407 nm?...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 13.01.2021 22:50
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
English, 13.01.2021 22:50
![question](/tpl/images/cats/mat.png)
Mathematics, 13.01.2021 22:50
![question](/tpl/images/cats/mat.png)
Mathematics, 13.01.2021 22:50
![question](/tpl/images/cats/en.png)
English, 13.01.2021 22:50
![question](/tpl/images/cats/istoriya.png)
History, 13.01.2021 22:50
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/fizika.png)
Physics, 13.01.2021 22:50
![question](/tpl/images/cats/en.png)
English, 13.01.2021 22:50
![question](/tpl/images/cats/mat.png)
Mathematics, 13.01.2021 22:50