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

Author Question: In a battery, the following oxidation-reduction reaction is taking place: Mn2O3 + ZnO 2 MnO2 + ... (Read 108 times)

Zoey63294

  • Hero Member
  • *****
  • Posts: 539
on: Aug 27, 2018
In a battery, the following oxidation-reduction reaction is taking place:
 
  Mn2O3 + ZnO  2 MnO2 + Zn
 
  What is undergoing reduction as written?
  A) Zn
  B) ZnO
  C) MnO2
  D) Mn2O3
  E) none of the above

Question 2

Why doesn't uranium ore spontaneously undergo a chain reaction?
 
  A) Uranium ore must be weapons' grade in order for it to undergo chain reaction.
  B) Uranium ore is mostly non-fissionable isotope U-238.
  C) Uranium ore does spontaneously undergo slow chain reaction over time finally resulting in it becoming lead.
  D) Uranium ore, mostly U-235, must be enriched with U-238 in order for it to undergo a chain reaction.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Jane

  • Sr. Member
  • ****
  • Posts: 309
Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

B


Zoey63294

  • Member
  • Posts: 539
Reply 2 on: Aug 27, 2018
Great answer, keep it coming :)

AngeliqueG

  • Member
  • Posts: 343
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Disulfide Bridge Reaction Disulfide Bridge Reaction
Adolescents are preoccupied with finding their place in the social group as well as society. Adolescents are preoccupied with finding their place in the social group as well as society.
Place your hands on both sides of the upper arm, and squeeze along the anterior and posterior ... Place your hands on both sides of the upper arm, and squeeze along the anterior and posterior ...
The overall reaction catalyzed by the NADH dehydrogenase complex The overall reaction catalyzed by the NADH dehydrogenase complex
Chemical similarities between oxidation and synthesis of a fatty acid Chemical similarities between oxidation and synthesis of a fatty acid
When the teacher about to switch the PowerPoint and you still not done taking notes When the teacher about to switch the PowerPoint and you still not done taking notes
Video: Bone Healing Animation

For a complete list of videos, visit our video library