Author Question: A fixed amount of ideal gas is held in a rigid container that expands negligibly when heated. At 20C ... (Read 60 times)

crazycityslicker

  • Hero Member
  • *****
  • Posts: 537
A fixed amount of ideal gas is held in a rigid container that expands negligibly when heated. At 20C the gas pressure is p. If we add enough heat to increase the temperature from 20C to 40C, the pressure will be
 
  A) impossible to determine since we do not know the number of moles of gas in the container.
  B) greater than 2p.
  C) less than 2p.
  D) equal to 2p.
  E) impossible to determine since we do not know the volume of gas in the container.

Question 2

If the temperature of an iron sphere is increased,
 
  A) its density will increase.
  B) its volume will decrease.
  C) its density will decrease.
  D) its mass will decrease.
  E) its density will remain unchanged.



mariahkathleeen

  • Sr. Member
  • ****
  • Posts: 337
Answer to Question 1

Answer: C

Answer to Question 2

Answer: C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

crazycityslicker

  • Hero Member
  • *****
  • Posts: 537
Both answers were spot on, thank you once again




 

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

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?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

For a complete list of videos, visit our video library