Chemistry, 21.11.2019 20:31 jillianbarnes2565
An electron in the 7th energy level of the h atom drops to the 3th energy level. in other words an electron in an excited state drops to a less excited state. what is the energy (in j) of the emitted photon? the energy of an electron in the nth level
Answers: 3
= 7, 
= 3![\Delta E = -2.178 \times 10^{-18} J \times (Z)^{2}[\frac{1}{n^{2}_{2}} - \frac{1}{n^{2}_{1}}]](/tpl/images/0384/9623/e92a6.png)
![-2.178 \times 10^{-18} J \times (1)^{2}[\frac{1}{(3)^{2}} - \frac{1}{(7)^{2}}]](/tpl/images/0384/9623/c0081.png)
Another question on Chemistry
Chemistry, 22.06.2019 13:30
If the concentration of phosphate in the cytosol is 2.0 mm and the concentration of phosphate in the surrounding fluid is 0.1 mm, how could the cell increase the concentration of phosphate in the cytosol? a) passive transportb) diffusionc) active transportd) osmosise) facilitated diffusion
Answers: 3
Chemistry, 22.06.2019 14:10
Aconcentrated solution of ammonia is 14.8m and has a density of 0.899g/l. what is the concentration of ammonia in this solution in weight percent (%w/w)?
Answers: 1
Chemistry, 22.06.2019 17:30
Take a look at this dandelion. the yellow flower on the right is pollinated and the seeds on the left are transported by
Answers: 2
Chemistry, 22.06.2019 21:30
Which of the following changes will decrease the total amount of gaseous solute able to be dissolved in a liter of liquid water? (2 points) decreasing temperature decreasing pressure decreasing surface area decreasing solute concentration
Answers: 1
You know the right answer?
An electron in the 7th energy level of the h atom drops to the 3th energy level. in other words an e...
Questions
Mathematics, 20.04.2021 06:30
Mathematics, 20.04.2021 06:30
Mathematics, 20.04.2021 06:30
Mathematics, 20.04.2021 06:30
Mathematics, 20.04.2021 06:30
Biology, 20.04.2021 06:30
Biology, 20.04.2021 06:30
Mathematics, 20.04.2021 06:30
Mathematics, 20.04.2021 06:30
History, 20.04.2021 06:30
Business, 20.04.2021 06:30
