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 62 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?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Balloon angioplasty: (A) deflated balloon catheter is approaching an atherosclerotic plaque; (B) pla Balloon angioplasty: (A) deflated balloon catheter is approaching an atherosclerotic plaque; (B) pla
An illustration of the helium atom, depicting the nucleus (pink) and the electron cloud distribution An illustration of the helium atom, depicting the nucleus (pink) and the electron cloud distribution
Mechanism of action of antipsychotic drugs: (a) overproduction of dopamine; (b) antipsychotic medica Mechanism of action of antipsychotic drugs: (a) overproduction of dopamine; (b) antipsychotic medica
Like other aspects of culture, religion is filled with background assumptions that usually go ... Like other aspects of culture, religion is filled with background assumptions that usually go ...
Which cup will get filled first? Which cup will get filled first?
An empty spice bottle has an inner volume of 1.31 10-4 m3 . It has a mass of 112 g when filled ... An empty spice bottle has an inner volume of 1.31 10-4 m3 . It has a mass of 112 g when filled ...
Video: Basic rhythm - control centers in medulla oblongata, spirograph and normal tidal cycle

For a complete list of videos, visit our video library