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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 160 times)

sabina

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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


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snackralk

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Reply #1 on: Aug 27, 2018
Answer to Question 1

A

Answer to Question 2

B)


sabina

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Reply #2 on: Aug 27, 2018
Both answers were spot on, thank you once again


snackralk

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Reply #3 on: Aug 27, 2018
Great! Please up vote :D


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