« previous next »

Author Question: A diatomic molecule has 18 10-5 eV of rotational energy in the l = 2 quantum state. What is its ... (Read 62 times)

awywial

  • Hero Member
  • *****
  • Posts: 577
on: Jul 29, 2018
A diatomic molecule has 18  10-5 eV of rotational energy in the l = 2 quantum state. What is its rotational energy in the l = 0 quantum state?
 
  A) 60 eV B) 15 eV C) 0 eV D) 90 eV E) 30 eV

Question 2

The coefficient of linear expansion of steel is 12  10-6K-1. What is the change in length of a 25-m steel bridge span when it undergoes a temperature change of 40 K?
 
  A)
 
  1.2 cm
 
  B)
 
  1.4 cm
 
  C)
 
  1.6 cm
 
  D)
 
  1.8 cm
 
  E)
 
  2.0 cm


Liamb2179

  • Sr. Member
  • ****
  • Posts: 365
Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Role of binding energy in catalysis Role of binding energy in catalysis
The Scopes Trial: William Jennings Bryan (right) represented the state of Tennessee, and Clarence Da The Scopes Trial: William Jennings Bryan (right) represented the state of Tennessee, and Clarence Da
How Safe Is Your State? Violent Crime in the United States How Safe Is Your State? Violent Crime in the United States
Schematic representation of MHC class I molecule, consisting of 3 α domains and 1 β2-microglobulin ... Schematic representation of MHC class I molecule, consisting of 3 α domains and 1 β2-microglobulin ...
Food webs show feeding relationships and energy flow Food webs show feeding relationships and energy flow
Expressing amounts of energy in different energy units is necessary to solve many chemistry ... Expressing amounts of energy in different energy units is necessary to solve many chemistry ...
Video: Activation Energy - Valence Electrons

For a complete list of videos, visit our video library