This topic contains a solution. Click here to go to the answer

Author Question: An electron is known to be confined to a region of width 0.10 nm. What is an approximate expression ... (Read 18 times)

saraeharris

  • Hero Member
  • *****
  • Posts: 546
An electron is known to be confined to a region of width 0.10 nm. What is an approximate expression for the least kinetic energy it could have, expressed in eV?
 
  What will be an ideal response?

Question 2

Approximately what mass ratio is required for a rocket to leave the Earth's gravity?
 
  A) 60
  B) 99
  C) 25
  D) 39



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

raenoj

  • Sr. Member
  • ****
  • Posts: 340
Answer to Question 1

3.8 eV

Answer to Question 2

D




saraeharris

  • Member
  • Posts: 546
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review


CAPTAINAMERICA

  • Member
  • Posts: 325
Reply 3 on: Yesterday
Excellent

 

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

For a complete list of videos, visit our video library