« previous next »

Author Question: A student travels from St. Louis to Indianapolis, a distance of 210 mi, in 6.0 h. The return trip ... (Read 89 times)

Evvie72

  • Hero Member
  • *****
  • Posts: 519
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

  • Sr. Member
  • ****
  • Posts: 304
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


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Evvie72

  • Hero Member
  • *****
  • Posts: 519
Reply #2 on: Jul 28, 2018
Thanks


babybsemail

  • Sr. Member
  • ****
  • Posts: 304
Reply #3 on: Jul 28, 2018
Welcome :)


« previous next »
 

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Nursing student will find it funny Nursing student will find it funny
Growth of Suburban St. Louis, 1950–1960 Growth of Suburban St. Louis, 1950–1960
The Death of Socrates by Jacques Louis David. The eighteenth-century French painter David portrayed ... The Death of Socrates by Jacques Louis David. The eighteenth-century French painter David portrayed ...
Hyacinthe Rigaud, Louis XIV, King of France. Hyacinthe Rigaud, Louis XIV, King of France.
The inverse-square law and its effects. Doubling your distance away from a radioactive material ... The inverse-square law and its effects. Doubling your distance away from a radioactive material ...
How the Return to Education Affects the Distribution of Income How the Return to Education Affects the Distribution of Income
Video: Neurotransmission at chemical synapses & Excitory and inhibitory potentials

For a complete list of videos, visit our video library