« previous next »

Author Question: The critical mass of a fissionable substance is the ________. A) minimum amount required for a ... (Read 80 times)

rlane42

  • Hero Member
  • *****
  • Posts: 594
on: Aug 27, 2018
The critical mass of a fissionable substance is the ________.
 
  A) minimum amount required for a self-sustaining chain reaction
  B) minimum amount required for radioactive decay
  C) maximum amount that will detonate when separated into subcritical pieces
  D) maximum amount needed to make a nuclear power plant operate sustainably

Question 2

Convert 250.0 kcal to Joules.
 
  A) 250.0 J
  B) 5.975  104 J
  C) 1.046  106 J
  D) 1.046  103 J


Galvarado142

  • Sr. Member
  • ****
  • Posts: 348
Reply #1 on: Aug 27, 2018
Answer to Question 1

A

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

rlane42

  • Hero Member
  • *****
  • Posts: 594
Reply #2 on: Aug 27, 2018
Thank you!


Galvarado142

  • Sr. Member
  • ****
  • Posts: 348
Reply #3 on: Aug 27, 2018
Always glad to help...


« previous next »
 

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Substance P assists the transmission of impulses across the synapse Substance P assists the transmission of impulses across the synapse
Critical-Thinking Tip Critical-Thinking Tip
Body Mass Index (IBM) Body Mass Index (IBM)
You heat 3.952 g of a mixture of Fe3O4 and FeO to form 4.162 g Fe2O3. The mass of oxygen ... You heat 3.952 g of a mixture of Fe3O4 and FeO to form 4.162 g Fe2O3. The mass of oxygen ...
What is the minimal voltage required? What is the minimal voltage required?
calculate the quantities required to make 5 lb of hydrophilic ointment: calculate the quantities required to make 5 lb of hydrophilic ointment:
Video: Major Elements in Biological Molecules: Lipids

For a complete list of videos, visit our video library