Author Question: Exploration of this part of the atmosphere was conducted in the nineteenth century with hot-air ... (Read 86 times)

Alainaaa8

  • Hero Member
  • *****
  • Posts: 576
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
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
 

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

For a complete list of videos, visit our video library