« previous next »

Author Question: The overall result of the proton-proton chain is ________. A) 6 H becomes 1 He + energy B) p + p ... (Read 72 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?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Basic overview of energy and human life. Basic overview of energy and human life.
Global energy imbalance ~0.75 Wm-2 Global energy imbalance ~0.75 Wm-2
The demand for energy is met by burning coal and other fossil fuels The demand for energy is met by burning coal and other fossil fuels
Breaking the Chain of Transmission of Microorganisms from Host to Victim Breaking the Chain of Transmission of Microorganisms from Host to Victim
Pulmonary Congestion, which May Result from Congestive Heart Failure Pulmonary Congestion, which May Result from Congestive Heart Failure
An athlete stretches a spring an extra 40.0 cm beyond its initial length. How much energy has ... An athlete stretches a spring an extra 40.0 cm beyond its initial length. How much energy has ...
Video: Interview with Person having Obsessive Compulsive Disorder

For a complete list of videos, visit our video library