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Author Question: One mole of the carbon-12 isotope contains 6.022 1023 atoms. What volume in m3 would be needed to ... (Read 180 times)

aabwk4

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on: Jul 28, 2018
One mole of the carbon-12 isotope contains 6.022  1023 atoms. What volume in m3 would be needed to store one mole of cube-shaped children's blocks 2.00 cm long on each side?
 a. 4.8  1018
  b. 1.2  1022
  c. 6.0  1023
  d. 1.2  1024
  e. 4.8  1024

Question 2

Find the average density of a white dwarf star if it has a mass equal to that of the sun (2.0  1030 kg) and a radius equal to that of the Earth (6.4  106 m).
 a. 9.0  106 kg/m3
  b. 1.8  107 kg/m3
  c. 1.8  109 kg/m3
  d. 3.6  1010 kg/m3
  e. 9.0  107 kg/m3


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pangili4

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Reply #1 on: Jul 28, 2018
Answer to Question 1

A

Answer to Question 2

C


aabwk4

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Reply 2 on: Jul 28, 2018
Gracias!

apple

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Reply 3 on: Yesterday
Wow, this really help

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