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

Author Question: An electron is known to be confined to a region of width 0.10 nm. What is an approximate expression ... (Read 66 times)

saraeharris

  • Hero Member
  • *****
  • Posts: 546
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
Answer to Question 1

3.8 eV

Answer to Question 2

D


saraeharris

  • Member
  • Posts: 546
Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

sailorcrescent

  • Member
  • Posts: 334
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

PCR primers detect and amplify a specific genomic region PCR primers detect and amplify a specific genomic region
The Environment Influences Gene Expression The Environment Influences Gene Expression
Scorpions, Spiders and Sharks: Electron-Microscope Images Scorpions, Spiders and Sharks: Electron-Microscope Images
Region of the Search for Extraterrestrial Intelligence Region of the Search for Extraterrestrial Intelligence
How to use the laws of exponents to simplify an expression (Part 1) How to use the laws of exponents to simplify an expression (Part 1)
Electron Microscope Electron Microscope
Video: Covalent bonds - role in the body

For a complete list of videos, visit our video library