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

Author Question: About how hot was the Big Bang when matter and energy decoupled? A) 900 million K B) 15 million ... (Read 25 times)

Redwolflake15

  • Hero Member
  • *****
  • Posts: 569
on: Jul 27, 2018
About how hot was the Big Bang when matter and energy decoupled?
 
  A) 900 million K
  B) 15 million K
  C) 3,000 K
  D) 300 K
  E) 2.73 K

Question 2

What is a compound?
 
  A) a group of molecules
  B) a molecule containing hydrogen
  C) a molecule containing two or more elements
  D) an ionized molecule
  E) a molecule containing carbon


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

vickybb89

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

C


Redwolflake15

  • Hero Member
  • *****
  • Posts: 569
Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


vickybb89

  • Sr. Member
  • ****
  • Posts: 347
Reply #3 on: Jul 27, 2018
Great! Please up vote :D


« previous next »
 

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?

Everyone has one nostril that is larger than the other.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

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%.

Methane combustion as an energy–yielding redox reaction. Methane combustion as an energy–yielding redox reaction.
The basalt below the hominins is dated to 1.8 million years ago, and the geomagnetic polarity of the The basalt below the hominins is dated to 1.8 million years ago, and the geomagnetic polarity of the
The violation of mores is a serious matter. In this case, it is serious enough that security at an ... The violation of mores is a serious matter. In this case, it is serious enough that security at an ...
The energy cycle of life The energy cycle of life
Food webs show feeding relationships and energy flow Food webs show feeding relationships and energy flow
Permafrost: High albedo, reflects as much as 90% of the Sun’s energy Permafrost: High albedo, reflects as much as 90% of the Sun’s energy
Video: Neurosynapse Animation

For a complete list of videos, visit our video library