Notice: Payments for answers will end 4/10/2017. Click for more info.
You have new items in your feed. Click to view.
Question and answer
Q: Cold packs are designed to become very cold when activated. When the pack is activated, a chemical reaction occurs to make the temperature of the cold pack decrease. What must be true of this
chemical reaction? (2 points) A) The reaction releases energy to its surroundings. B) The products and reactants have the same amount of energy. C) The products have less energy than the reactants. D) The reaction absorbs energy from its surroundings.
A: C. released or absorbed.
Expert answered|iamhanifah|Points 300|
Question|Rated good
Asked 6/21/2011 7:25:45 AM
0 Answers/Comments
Get an answer
New answers
Rating

There are no new answers.

Comments

There are no comments.

Add an answer or comment
Log in or sign up first.
Questions asked by the same visitor
What are nonmetal?
Question
Expert Answered
Updated 9/9/2016 1:12:09 PM
1 Answer/Comment

Nonmetal, substance that does not exhibit such characteristic properties of metals as hardness, mechanical adaptability, or the ability to conduct electricity.

Added 9/9/2016 1:12:09 PM
This answer has been confirmed as correct and helpful.
give me a example of a nonmetal
Question
Not Answered
Updated 5/1/2014 3:19:13 AM
1 Answer/Comment
Examples of nonmetals are: nitrogen,oxygen, helium,sulfur, and chlorine .
Added 5/1/2014 3:19:13 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [5/1/2014 3:42:22 AM]
Which is a chemical property of mercury? (2 points) A) boiling point of -39ºC B) silvery color C) liquid at room temperature D) reacts with oxygen
Question
Expert Answered
Updated 3/23/2014 10:37:13 AM
1 Answer/Comment
Reacts with oxygen is a chemical property of mercury.
Added 3/23/2014 10:37:13 AM
This answer has been confirmed as correct and helpful.
26,646,364 questions answered
Popular Conversations
Suppose the U.S. can produce cars for a lower opportunity cost than ...
Weegy: Suppose the U.S. can produce cars for a lower opportunity cost than Japan while Japan has a comparative ...
2/13/2018 7:30:37 PM| 4 Answers
What's the simplified form of 2x + 3 x + 5? A. x 8 B. ...
Weegy: (2x^2)(3x^2) = 6x4 User: Simplify this expression: 13 + (–12) – (–5) = ? A. –6 B. 6 C. –30 ...
2/12/2018 11:53:02 PM| 3 Answers
Simplify and solve this equation for q: 3q + 5 + 2q – 5 = 65. ...
Weegy: 3q + 5 + 2q - 5 = 65 User: Solve the following inequality: 38 4 B. x 28 Weegy: 38 User: Use an ...
2/19/2018 12:26:32 AM| 3 Answers
Solve this equation: 80 = 3y + 2y + 4 + 1. A. y = 1/5 B. ...
Weegy: 80 = 3y + 2y + 4 + 1 80 = 5y + 5 80 - 5 = 5y -5y = -75 y = 15 User: Solve the inequality: 12p + 7 > 139 ...
2/14/2018 2:20:46 PM| 3 Answers
Solve the equation: 12y = 132. A. y = 11 B. y = 144 ...
Weegy: 12y = 132 User: Solve this equation: 2s + s + 12 = 132. A. s = 40 B. s = –30 C. s = 9 D. ...
2/14/2018 2:32:47 PM| 3 Answers
Weegy Stuff
S
L
Points 369 [Total 372] Ratings 11 Comments 229 Invitations 3 Offline
S
Points 89 [Total 89] Ratings 0 Comments 19 Invitations 7 Offline
S
P
L
P
P
Points 55 [Total 248] Ratings 0 Comments 55 Invitations 0 Offline
S
P
Points 41 [Total 85] Ratings 1 Comments 31 Invitations 0 Offline
S
1
L
L
P
R
P
L
P
P
R
Points 38 [Total 12649] Ratings 0 Comments 38 Invitations 0 Offline
S
Points 20 [Total 20] Ratings 2 Comments 0 Invitations 0 Online
S
P
Points 13 [Total 30] Ratings 0 Comments 13 Invitations 0 Offline
S
Points 11 [Total 11] Ratings 1 Comments 1 Invitations 0 Offline
S
Points 10 [Total 10] Ratings 0 Comments 0 Invitations 1 Offline
S
Points 10 [Total 11] Ratings 1 Comments 0 Invitations 0 Offline
* Excludes moderators and previous
winners (Include)
Home | Contact | Blog | About | Terms | Privacy | © Purple Inc.