« previous next »

Author Question: Exploration of this part of the atmosphere was conducted in the nineteenth century with hot-air ... (Read 87 times)

Alainaaa8

  • Hero Member
  • *****
  • Posts: 576
on: Jul 28, 2018
Exploration of this part of the atmosphere was conducted in the nineteenth century with hot-air balloons.
 a. Stratosphere
  b. Troposphere
  c. Mesosphere
  d. Thermosphere

Question 2

Calculate the energy in electron volts of the photon emitted when an electron in a hydrogen atom goes from n = 2 to n = 1.


kristenb95

  • Sr. Member
  • ****
  • Posts: 318
Reply #1 on: Jul 28, 2018
Answer to Question 1

b

Answer to Question 2

10.20 eV (-3.40 eV + 13.60 eV)


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

The Trundholm Sun chariot pulled by a horse is a sculpture believed to be illustrating an important The Trundholm Sun chariot pulled by a horse is a sculpture believed to be illustrating an important
Close-ups of Jupiter’s Atmosphere Close-ups of Jupiter’s Atmosphere
The Black Death spread over much of Europe in a three-year period in the middle of the fourteenth ce The Black Death spread over much of Europe in a three-year period in the middle of the fourteenth ce
The Upper Troposphere: Westerly Winds in the Upper Atmosphere The Upper Troposphere: Westerly Winds in the Upper Atmosphere
Structures of the ionized forms of some representative fatty acids (part 2) Structures of the ionized forms of some representative fatty acids (part 2)
How to calculate annuity when compounded quarterly (Part 2) How to calculate annuity when compounded quarterly (Part 2)
Video: Leukemia

For a complete list of videos, visit our video library