« previous next »

Author Question: Exploration of this part of the atmosphere was conducted in the nineteenth century with hot-air ... (Read 150 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?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Part C - Structure and function of the human brain Part C - Structure and function of the human brain
IV bolus administration. (a) The part is cleaned IV bolus administration. (a) The part is cleaned
A difference in oxygen content between the atmosphere and the exhaust gases enables an O2S to ... A difference in oxygen content between the atmosphere and the exhaust gases enables an O2S to ...
Thermal Layers of the Atmosphere Thermal Layers of the Atmosphere
How to convert verbal statements into algebraic equations (Part 2) How to convert verbal statements into algebraic equations (Part 2)
Plot of land (Part c) Plot of land (Part c)
Video: Non-polar compounds - insolubility

For a complete list of videos, visit our video library