![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 23:00
A100-watt light bulb radiates energy at a rate of 100 j/s. (the watt, a unit of power or energy over time, is defined as 1 j/s.) if all of the light emitted has a wavelength of 525 nm , how many photons are emitted per second?
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 22:00
All of the following are homogeneous mixtures except a) sugar dissolved in water. b) orange juice. c) coffee with cream. d) household vinegar. e) apple juice
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 22:00
4.25g sample of solid ammonium nitrate dissolves in 60.0g of water in a coffee-cup calorimeter, the temperature drops from 22.0 c to 16.9 c. assume that the specific heat of the solution is the same as that of pure water. calculate delta(h) (in kj/mol nh4no3) for the solution proces.
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 22:30
Which of the following is true about the speed of light? it depends on the wavelength.
Answers: 3
You know the right answer?
What is the percent composition of CaF2?...
Questions
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 03.05.2020 14:17
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 03.05.2020 14:17
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/fizika.png)
Physics, 03.05.2020 14:17
![question](/tpl/images/cats/biologiya.png)
Biology, 03.05.2020 14:17
![question](/tpl/images/cats/mat.png)
Mathematics, 03.05.2020 14:17
![question](/tpl/images/cats/nemec.png)
German, 03.05.2020 14:17
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 03.05.2020 14:17
![question](/tpl/images/cats/himiya.png)
Chemistry, 03.05.2020 14:17
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/fizika.png)
Physics, 03.05.2020 14:17
![question](/tpl/images/cats/mat.png)