« previous next »

Author Question: The overall result of the proton-proton chain is ________. A) 6 H becomes 1 He + energy B) p + p ... (Read 114 times)

Kthamas

  • Hero Member
  • *****
  • Posts: 546
on: Jul 27, 2018
The overall result of the proton-proton chain is ________.
 
  A) 6 H becomes 1 He + energy
  B) p + p becomes 2H + energy
  C) 4 H becomes 1 He + energy
  D) individual protons are joined into long chains of protons

Question 2

Which hypothetical universe will eventually contract, if there were no dark energy?
 
  A) the universe with 1.5 times the critical density of matter
  B) the universe with 1.0 times the critical density of matter
  C) the universe with 0.5 times the critical density of matter


amanda_14

  • Sr. Member
  • ****
  • Posts: 342
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Kthamas

  • Hero Member
  • *****
  • Posts: 546
Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


amanda_14

  • Sr. Member
  • ****
  • Posts: 342
Reply #3 on: Jul 27, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

Everyone has one nostril that is larger than the other.

Sickle cell anemia. The clinical manifestations of sickle cell anemia result from pathologic changes Sickle cell anemia. The clinical manifestations of sickle cell anemia result from pathologic changes
Ancient drawing of energy channels and acupoints. Ancient drawing of energy channels and acupoints.
Attributes of Major Energy Channels According to Traditional Chinese Medicine Attributes of Major Energy Channels According to Traditional Chinese Medicine
Absorption spectra and light energy Absorption spectra and light energy
Free energy diagrams for the simple reaction A ----> B Free energy diagrams for the simple reaction A ----> B
How much heat energy in Joules is required to heat 16.0 g of copper from 23.0 °C How much heat energy in Joules is required to heat 16.0 g of copper from 23.0 °C
Video: Proteins

For a complete list of videos, visit our video library