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Author Question: Which has the least number of atoms? A) 1mol O2 B) 1mol H2O C) 4.0 g He D) 1.2 g ... (Read 60 times)

Coya19@aol.com

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on: Aug 27, 2018
Which has the least number of atoms?
 
  A) 1mol O2
  B) 1mol H2O
  C) 4.0 g He
  D) 1.2 g C

Question 2

How many grams of XeF6 are required to react with 0.579 L of hydrogen gas at 6.46 atm and 45C in the reaction shown below?
 
  XeF6(s) + 3 H2(g)  Xe(g) + 6 HF(g)
 
  A) 9.58 g
  B) 11.7 g
  C) 35.2 g
  D) 106 g

Question 3

When the prefix milli is used in the metric or SI system, a fundamental unit of measurement is multiplied by what factor?
 
  A) 10-3
  B) 10-2
  C) 10-6
  D) 103
  E) 106


31809pancho

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

D

Answer to Question 2

B

Answer to Question 3

A


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Coya19@aol.com

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


31809pancho

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


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