This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: What rare-earth element is essential in the production of permanent magnets for hybrid-vehicle ... (Read 116 times)

2125004343

  • Hero Member
  • *****
  • Posts: 566
on: Jun 19, 2018
What rare-earth element is essential in the production of permanent magnets for hybrid-vehicle motors?
 
 

a. Tantalum c. Niobium
  b. Neodymium d. Chromium



Question 2

Alternative energy generally is considered to provide substitutes for what current modes of energy?
 
 

a. Petroleum liquids and electricity generators c. Liquid hydrogen and liquid nitrogen
  b. Dilithium and trilithium crystals d. Solar energy and wind energy
 
 



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

elizabethrperez

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Jun 19, 2018
Answer to Question 1

ANS: B
Neodymium is essential for this process, with most of the current stock produced in China.



Answer to Question 2

ANS: A
Petroleum liquids like fossil fuels and electricity generators like nuclear power plants would be replaced by alternative energy.



2125004343

  • Hero Member
  • *****
  • Posts: 566
Reply #2 on: Jun 19, 2018
Thank you!


elizabethrperez

  • Sr. Member
  • ****
  • Posts: 344
Reply #3 on: Jun 19, 2018
Happy to help


« previous next »
 

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

The monthly changes of angle between the direction of illumination by the Sun and viewing from Earth The monthly changes of angle between the direction of illumination by the Sun and viewing from Earth
Typical ignition timing map developed from testing and used by the vehicle computer to provide the ... Typical ignition timing map developed from testing and used by the vehicle computer to provide the ...
The Arctic is warming faster than any other region on Earth The Arctic is warming faster than any other region on Earth
Which of the following reactions correctly shows the transmutation of an element by neutron ... Which of the following reactions correctly shows the transmutation of an element by neutron ...
Determination of the genotype of F2 plants by the production of F3 progeny Determination of the genotype of F2 plants by the production of F3 progeny
Video: Bond types - Atomic structure and basis of bonds

For a complete list of videos, visit our video library