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Author Question: A piece of aluminum weighing 10.0 grams is placed into a graduated cylinder that has an initial ... (Read 260 times)

vicotolentino

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on: Aug 27, 2018
A piece of aluminum weighing 10.0 grams is placed into a graduated cylinder that has an initial volume (before immersion) of 35.0 mL. After immersion, the volume on the cylinder reads 38.7 mL. What is the density of the metal sample?
 
  A) 2.70 g/mL
  B) 0.25 g/mL
  C) 0.28 g/mL
  D) 0.37 g/mL
  E) 3.70 g/mL

Question 2

If the specific heat of aluminum is 0.90 J/(gC), how much heat is needed to raise the temperature of a 10.0-gram piece of aluminum from 21C to 61C?
 
  A) 360 J
  B) 180 J
  C) 540 J
  D) 900 J
  E) 90 J


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Christopher

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

A

Answer to Question 2

A


vicotolentino

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Reply #2 on: Aug 27, 2018
Thanks


Christopher

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


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