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Author Question: On a trip, a family travels 200 km in 2.5 h on the first day, 300 km in 4.0 h on the second day, and ... (Read 56 times)

tiffannnnyyyyyy

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on: Jul 28, 2018
On a trip, a family travels 200 km in 2.5 h on the first day, 300 km in 4.0 h on the second day, and 250 km in 3.5 h on the third day. What was the average speed, in kilometers per hour, for the total trip?

Question 2

In the reaction 2Al + 3F2 2AlF3, the aluminum
 a. is reduced.
  b. gains electrons.
  c. is oxidized.
  d. is the catalyst.


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cam1229

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

75 km/h

Answer to Question 2

c


tiffannnnyyyyyy

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Reply 2 on: Jul 28, 2018
Gracias!

yeungji

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Reply 3 on: Yesterday
Excellent

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