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Author Question: Which of the following molecules does NOT occur in left- and right-handed forms (carbon is the ... (Read 57 times)

leilurhhh

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on: Jul 27, 2018
Which of the following molecules does NOT occur in left- and right-handed forms (carbon is the central atom and the groups around this central atom are in parentheses)?
 
  A) (H) (Cl) C (F) (D)
  B) (CH3 ) (NH2 ) C (COOH) (H)
  C) (CHO ) (C2H5 ) C (C2H5 ) (H)
  D) (C4H9 ) (C2H5 ) C (CH3 ) (C3H7)

Question 2

The expansion rate of the Universe is
 
  A) increasing.
  B) decreasing.
  C) constant.
  D) different in different directions.
  E) independent of time.


taylorsonier

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

C

Answer to Question 2

A


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leilurhhh

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


taylorsonier

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


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