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

Author Question: The EROEI for ethanol has been estimated to be between 1.67:1 to 0.78:1. Which of the following is ... (Read 52 times)

ss2343

  • Hero Member
  • *****
  • Posts: 548
on: Aug 27, 2018
The EROEI for ethanol has been estimated to be between 1.67:1 to 0.78:1. Which of the following is NOT a reason for the low ethanol EROEI values?
 
  A) Ethanol has a lower fuel content than petroleum fuels.
  B) Large amounts of energy are required to distill the ethanol after it is formed.
  C) Some ethanol is changed to methane (CH4 ) during the distillation process, so less ethanol is recovered.
  D) Ethanol is not easily available.

Question 2

In 1932, James Chadwick bombarded beryllium-9 with alpha particles. One product was a neutron. This led to the direct experimental verification of the existence of neutrons. The other product of Chadwick's nuclear reaction was
 
  A) nitrogen-14.
  B) carbon-12.
  C) boron-12.
  D) helium-4.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

flannelavenger

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Aug 27, 2018
Answer to Question 1

C

Answer to Question 2

B


ss2343

  • Hero Member
  • *****
  • Posts: 548
Reply #2 on: Aug 27, 2018
Both answers were spot on, thank you once again


flannelavenger

  • Sr. Member
  • ****
  • Posts: 322
Reply #3 on: Aug 27, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Estimated terrestrial net primary productivity across Canada. Estimated terrestrial net primary productivity across Canada.
Splash blending occurs when the ethanol is added to a tanker with gasoline and is mixed as the ... Splash blending occurs when the ethanol is added to a tanker with gasoline and is mixed as the ...
Adding additional amounts of ethyl alcohol (ethanol) increases the frequency reading. Adding additional amounts of ethyl alcohol (ethanol) increases the frequency reading.
Antineutrophil cytoplasmic antibody staining patterns. Indirect immunofluorescence of ethanol-fixed ... Antineutrophil cytoplasmic antibody staining patterns. Indirect immunofluorescence of ethanol-fixed ...
Ethanol Fermentation with Yeast Pathway Ethanol Fermentation with Yeast Pathway
Ethanol has the molecular formula C2H6O. Which ball and stick model shown above represents ... Ethanol has the molecular formula C2H6O. Which ball and stick model shown above represents ...
Video: Simple Diffusion - Ion transport

For a complete list of videos, visit our video library