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Author Question: Consider the following reaction: A 2C The average rate of appearance of C is given by C/t. ... (Read 62 times)

frankwu

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on: Aug 27, 2018
Consider the following reaction: A  2C The average rate of appearance of C is given by C/t. Comparing the rate of appearance of C and the rate of disappearance of A, we get C/t = ________  (-A/t).
 
  A) +2
  B) -1
  C) +1
  D) +1/2
  E) -1/2

Question 2

A compound that is composed of only carbon and hydrogen contains 80.0 C and 20.0 H by mass. What is the empirical formula of the compound?
 
  A) C20H60
  B) C7H20
  C) CH3
  D) C2H6
  E) CH4


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ladyjames123

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

A

Answer to Question 2

C


frankwu

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Reply 2 on: Aug 27, 2018
YES! Correct, THANKS for helping me on my review

xiazhe

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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