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 56 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?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

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?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Balloon angioplasty Balloon angioplasty
Balloon angioplasty. Balloon angioplasty.
Mechanism of action of neuromuscular blockers: (a) Depolarizing neuromuscular blocker occupies Ach ... Mechanism of action of neuromuscular blockers: (a) Depolarizing neuromuscular blocker occupies Ach ...
Two wells are filled with related or partially identical antigens. The well on the left contains an ... Two wells are filled with related or partially identical antigens. The well on the left contains an ...
A Partially Filled 100-Unit Insulin Syringe A Partially Filled 100-Unit Insulin Syringe
A sample of carbon monoxide gas occupies 125 mL at 20.0 °C and 455 mm Hg. If the A sample of carbon monoxide gas occupies 125 mL at 20.0 °C and 455 mm Hg. If the
Video: Atrophy

For a complete list of videos, visit our video library