This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: If the energy of n = 4 is 0.85 eV and that of n = 2 is 3.40 eV in a hydrogen atom, a transition from ... (Read 37 times)

shofmannx20

  • Hero Member
  • *****
  • Posts: 562
on: Jul 28, 2018
If the energy of n = 4 is 0.85 eV and that of n = 2 is 3.40 eV in a hydrogen atom, a transition from n = 4 to n = 2 will release a photon of what energy?

Question 2

The following statements all refer to the human brain when mental activity is occurring. Which statement is correct?
 a. In order to detect electric currents in the brain, you must open the skull and make direct electrical contact with the brain.
  b. The electric currents in the brain can be detected outside the brain by detecting the magnetic fields they produce.
  c. The electric currents in the brain can be mapped by shaving a person's head and dropping iron filings on the head.
  d. The electric currents in the brain produce an aura that can be detected visually.
  e. The electric currents in the brain cannot be detected by any means.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Expo

  • Sr. Member
  • ****
  • Posts: 351
Reply #1 on: Jul 28, 2018
Answer to Question 1

2.55 eV (-0.85 eV + 3.40 eV)

Answer to Question 2

b


shofmannx20

  • Hero Member
  • *****
  • Posts: 562
Reply #2 on: Jul 28, 2018
Thank you!


Expo

  • Sr. Member
  • ****
  • Posts: 351
Reply #3 on: Jul 28, 2018
Always glad to help...


« previous next »
 

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Common hydrogen bonds in biological systems Common hydrogen bonds in biological systems
The major events associated with the three phases of energy metabolism: the cephalic, absorptive, ... The major events associated with the three phases of energy metabolism: the cephalic, absorptive, ...
Attributes of Major Energy Channels According to Traditional Chinese Medicine Attributes of Major Energy Channels According to Traditional Chinese Medicine
The energy cycle of life The energy cycle of life
World Total Energy Consumption by Fuel Type World Total Energy Consumption by Fuel Type
If 250. L of nitrogen reacts with 582 L of hydrogen by the reaction: N2(g) + 3 H2(g) 2 NH3(g), ... If 250. L of nitrogen reacts with 582 L of hydrogen by the reaction: N2(g) + 3 H2(g) 2 NH3(g), ...
Video: Lipid digestion - mouth, stomach and small intestine

For a complete list of videos, visit our video library