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

Author Question: At what temperature is the rms speed of hydrogen molecules, which have a molecular weight of 2.02 ... (Read 111 times)

future617RT

  • Hero Member
  • *****
  • Posts: 543
on: Jul 29, 2018
At what temperature is the rms speed of hydrogen molecules, which have a molecular weight of 2.02 g/mole, equal to 2000 m/s?
 
  A)
 
  17.0C
 
  B)
 
  34.0C
 
  C)
 
  51.0C
 
  D)
 
  68.0C
 
  E)
 
  72.0C

Question 2

State Huygen's principle.
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

yuyiding

  • Sr. Member
  • ****
  • Posts: 357
Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

Every point on a wave front can be considered as a source of tiny wavelets that spread out in the forward direction at the speed of the wave itself. The new wave front is the envelope of all the wavelets - that is, tangent to all of them.


future617RT

  • Hero Member
  • *****
  • Posts: 543
Reply #2 on: Jul 29, 2018
Thanks


yuyiding

  • Sr. Member
  • ****
  • Posts: 357
Reply #3 on: Jul 29, 2018
Welcome :)


« previous next »
 

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

A molecular model showing chromosome territories in the cell nucleus of humans A molecular model showing chromosome territories in the cell nucleus of humans
Temperature cycles for 24 hours Temperature cycles for 24 hours
5-4 The relationship between vapor pressure and temperature—in this case for water. As the ... 5-4 The relationship between vapor pressure and temperature—in this case for water. As the ...
The Molecular Structure and Behavior of Lipids The Molecular Structure and Behavior of Lipids
Hydrogen Bond with Peptide Hydrogen Bond with Peptide
How many ethane molecules are in 22.4 liters of C2H6 gas at STP? How many ethane molecules are in 22.4 liters of C2H6 gas at STP?
Video: Hypoglycemia Animation

For a complete list of videos, visit our video library