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

Author Question: If the reaction has a negative overall energy change, then ________. A) the reaction is ... (Read 155 times)

Alainaaa8

  • Hero Member
  • *****
  • Posts: 576
on: Aug 27, 2018
If the reaction has a negative overall energy change, then ________.
 
  A) the reaction is exothermic
  B) energy is absorbed by the reactants
  C) the reaction is endothermic
  D) the products are not stable

Question 2

An atom with four valence electrons will form ________ bond(s) with other atoms.
 
  A) 0
  B) 1
  C) 4
  D) 3


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

okolip

  • Sr. Member
  • ****
  • Posts: 362
Reply #1 on: Aug 27, 2018
Answer to Question 1

A

Answer to Question 2

C


Alainaaa8

  • Member
  • Posts: 576
Reply 2 on: Aug 27, 2018
YES! Correct, THANKS for helping me on my review

nathang24

  • Member
  • Posts: 314
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

The FDA recognizes 118 routes of administration.

Pap smear. Cells of the cervix (shown in the center) change in appearance as they progress through Pap smear. Cells of the cervix (shown in the center) change in appearance as they progress through
The thermodynamics of protein folding depicted as a free-energy funnel The thermodynamics of protein folding depicted as a free-energy funnel
Energy Chart Energy Chart
Negative feedback control of the female reproductive hormones. Negative feedback control of the female reproductive hormones.
Potential energy Vs. Kinetic energy Potential energy Vs. Kinetic energy
What is the value for Kp for this reaction? What is the value for Kp for this reaction?
Video: What are Strong & Weak Acids and How they're different?

For a complete list of videos, visit our video library