This topic contains a solution. Click here to go to the answer

Author Question: A balloon filled with helium gas at 20 C occupies 4.91 L at 1.00 atm. The balloon is immersed in ... (Read 87 times)

sabina

  • Hero Member
  • *****
  • Posts: 563
A balloon filled with helium gas at 20 C occupies 4.91 L at 1.00 atm. The balloon is immersed in liquid nitrogen at -196C, raising the pressure to 5.20 atm. What is the volume of the balloon in the liquid nitrogen?
 
  A) 0.25 L
  B) 3.6 L
  C) 6.7 L
  D) 97 L

Question 2

In determining a melting point of a compound, why are two trials performed?
 
  A) to obtain the melting point more accurately
  B) to obtain the melting point more quickly
  C) to obtain the melting point more safely
  D) to obtain the melting point with more confidence
  E) to obtain the melting point with less sample



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

snackralk

  • Sr. Member
  • ****
  • Posts: 363
Answer to Question 1

A

Answer to Question 2

B)



sabina

  • Hero Member
  • *****
  • Posts: 563
Both answers were spot on, thank you once again




 

Did you know?

Thyroid conditions may make getting pregnant impossible.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

For a complete list of videos, visit our video library