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Author Question: What is the term for the procedure of collecting data and recording observations under controlled ... (Read 118 times)

Davideckstein7

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on: Aug 27, 2018
What is the term for the procedure of collecting data and recording observations under controlled conditions?
 
  A) alchemy
  B) chemistry
  C) experiment
  D) science
  E) none of the above

Question 2

A 10.0-L flask containing He, 2.00 mole of Ar, and 3.00 mole of Ne has a total pressure of 24.5 atm at 25C. How many moles of He are in the flask?
 
  A) 5.00 mol
  B) 10.0 mol
  C) 114 mol
  D) 119 mol


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xiaomengxian

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

C

Answer to Question 2

A


Davideckstein7

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Reply #2 on: Aug 27, 2018
Thanks


xiaomengxian

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Reply #3 on: Aug 27, 2018
Welcome :)


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