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Davideckstein7

Hero Member
Posts: 555

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

Sr. Member
Posts: 311

Reply #1 on: Aug 27, 2018

Answer to Question 1

C

Answer to Question 2

A

Davideckstein7

Hero Member
Posts: 555

Reply #2 on: Aug 27, 2018

Thanks

xiaomengxian

Sr. Member
Posts: 311

Reply #3 on: Aug 27, 2018

Welcome

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