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Author Question: Weightlessness occurs when an object a. has zero acceleration. b. is in free fall. c. is midway ... (Read 121 times)

darbym82

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Weightlessness occurs when an object
 a. has zero acceleration.
  b. is in free fall.
  c. is midway between Earth and the Moon.
  d. loses weight.

Question 2

Balance the chemical equation: Cu + Al2O3  CuO + Al



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ong527

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Answer to Question 1

b

Answer to Question 2

3Cu + Al2O3  3CuO + 2Al





 

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