« previous next »

Author Question: The internal energy of an ideal gas is changed by adding heat Q to the system and also by doing work ... (Read 30 times)

tsand2

  • Hero Member
  • *****
  • Posts: 520
on: Jul 29, 2018
The internal energy of an ideal gas is changed by adding heat Q to the system and also by doing work W on the gas. What is the change in internal energy of the gas?
 
  A)
 
  4.186Q - W
 
  B)
 
  Q - 4.186W
 
  C)
 
  W - Q
 
  D)
 
  Q + W
 
  E)
 
  Q - W

Question 2

An electromagnetic wave with components Ey = Eo sin(kx - t) and Bz = Bo sin(kx - t) is a wave traveling in the
 
  A)
 
  negative x-direction.
  B)
 
  x-direction.
  C)
 
  y-direction.
  D)
 
  z-direction.
  E)
 
  cannot be determined with the information given


Ddddd

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Jul 29, 2018
Answer to Question 1

D

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Stromatolite fossil cut away to reveal the internal concentric banding. Stromatolite fossil cut away to reveal the internal concentric banding.
Maternal-fetal incompatibility in the Rh system. Maternal-fetal incompatibility in the Rh system.
Procedures and Diagnostic Tests Related to the Male Reproductive System Procedures and Diagnostic Tests Related to the Male Reproductive System
The shut-off switch on a GM parallel hybrid truck is green because this system uses 42 volts instead ... The shut-off switch on a GM parallel hybrid truck is green because this system uses 42 volts instead ...
Jet streams and Earth’s heat budget Jet streams and Earth’s heat budget
Some of the major nerves of the human nervous system Some of the major nerves of the human nervous system
Video: Generalized life cycles for plants and animals Animation

For a complete list of videos, visit our video library