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Author Question: Which of the following would NOT be an advantage for walking or biking? A) It is less expensive ... (Read 29 times)

rl

  • Hero Member
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  • Posts: 579
on: Aug 27, 2018
Which of the following would NOT be an advantage for walking or biking?
 
  A) It is less expensive than driving.
  B) The fuels that provide energy for walking or biking are nonrenewable.
  C) An individual person would have a carbon-neutral effect on the environment.
  D) Walking or biking helps a person lose weight.

Question 2

Ka for HF is 7.0  10-4. Kb for the fluoride ion is ________.
 
  A) 2.0  10-8
  B) 1.4  10-11
  C) 7.0  10-18
  D) 7.0  10-4
  E) 1.4  103


zogaridan

  • Sr. Member
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  • Posts: 328
Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

B


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