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Author Question: Which one of the following does NOT occur in a chemical reaction? A) Matter is rearranged. B) ... (Read 56 times)

renzo156

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on: Aug 27, 2018
Which one of the following does NOT occur in a chemical reaction?
 
  A) Matter is rearranged.
  B) Matter is conserved.
  C) Atoms react with other atoms.
  D) Atoms are changed into other atoms.

Question 2

0.3 moles of a certain calcium compound weigh 93 g. This compound may be ________.
 
  A) calcium nitrate
  B) calcium chromate
  C) calcium phosphate
  D) calcium sulfate


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Dominic

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

D

Answer to Question 2

C


renzo156

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Reply 2 on: Aug 27, 2018
:D TYSM

xiaomengxian

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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