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Author Question: A student travels from St. Louis to Indianapolis, a distance of 210 mi, in 6.0 h. The return trip ... (Read 135 times)

Evvie72

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on: Jul 28, 2018
A student travels from St. Louis to Indianapolis, a distance of 210 mi, in 6.0 h. The return trip over the same route takes 7.0 h. What is the average speed for
 a. the first half of the trip?
  b. the second half of the trip?
  c. the total trip?

Question 2

In the activity series, Zn is more active than Pb. This means that
 a. Zn is a better catalyst than Pb.
  b. Zn loses its electrons more easily than Pb.
  c. Pb is more readily oxidized than Zn.
  d. none of these


babybsemail

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

a. 35 mi/h
b. 30 mi/h
c. 32 mi/h

Answer to Question 2

b


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Evvie72

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Reply #2 on: Jul 28, 2018
Thanks


babybsemail

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Reply #3 on: Jul 28, 2018
Welcome :)


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