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

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 84 times)

sabina

  • Hero Member
  • *****
  • Posts: 563
on: Aug 27, 2018
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
Reply #1 on: Aug 27, 2018
Answer to Question 1

A

Answer to Question 2

B)


sabina

  • Hero Member
  • *****
  • Posts: 563
Reply #2 on: Aug 27, 2018
Both answers were spot on, thank you once again


snackralk

  • Sr. Member
  • ****
  • Posts: 363
Reply #3 on: Aug 27, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

The urinary system: kidneys, ureters, bladder, and urethra with expanded view of a nephron and the u The urinary system: kidneys, ureters, bladder, and urethra with expanded view of a nephron and the u
Foley catheter: The inflated balloon at the tip of the catheter holds the Foley catheter in place in ... Foley catheter: The inflated balloon at the tip of the catheter holds the Foley catheter in place in ...
Not only was the housing filled with nuts, but also this air filter was extremely dirty, indicating ... Not only was the housing filled with nuts, but also this air filter was extremely dirty, indicating ...
Two wells are filled with the same antigen, and when they diffuse to the antibody, they make a line ... Two wells are filled with the same antigen, and when they diffuse to the antibody, they make a line ...
An unknown gas occupies a volume of 1.50 L at 21 °C and 0.950 atm. If the mass i An unknown gas occupies a volume of 1.50 L at 21 °C and 0.950 atm. If the mass i
If the solubility of helium is 0.94 cc per 100 cc of blood at 1.00 atmosphere, w If the solubility of helium is 0.94 cc per 100 cc of blood at 1.00 atmosphere, w
Video: Lactation and Breast Feeding

For a complete list of videos, visit our video library