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Author Question: What is the term for the procedure of collecting data and recording observations under controlled ... (Read 121 times)

Davideckstein7

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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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Answer to Question 1

C

Answer to Question 2

A





 

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