Question and answer
Which of the following affects the rate of a chemical reaction? A. the presence of a catalyst B. the temperature C. the concentration of reactants D. all of the above
Question
Asked 5/6/2015 1:38:07 PM
Updated 9/20/2015 9:40:29 AM
1 Answer/Comment
This answer has been confirmed as correct and helpful.
Edited by jeifunk [9/20/2015 9:40:28 AM], Confirmed by jeifunk [9/20/2015 9:40:29 AM]
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Original conversation
User: Which of the following affects the rate of a chemical reaction? A. the presence of a catalyst B. the temperature C. the concentration of reactants D. all of the above

Weegy: The rate of a chemical reaction increases as reactant concentration increases.
selymi|Points 19661|

User: _____ energy is energy available to do work. A. Activated complex B. Free C. Catalyst D. Activation

Question
Asked 5/6/2015 1:38:07 PM
Updated 9/20/2015 9:40:29 AM
1 Answer/Comment
This answer has been confirmed as correct and helpful.
Edited by jeifunk [9/20/2015 9:40:28 AM], Confirmed by jeifunk [9/20/2015 9:40:29 AM]
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Free energy is energy available to do work.
Added 9/20/2015 9:00:43 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [9/20/2015 9:40:41 AM]
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Questions asked by the same visitor
_____ energy is energy available to do work. A. Activated complex B. Free C. Catalyst D. Activation
Question
Not Answered
Updated 6/8/2015 8:11:49 PM
1 Answer/Comment
Free energy is energy available to do work.
Added 6/8/2015 8:11:49 PM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [6/9/2015 12:32:38 AM]
If a catalyst is used in a reaction: A. the energy of activation increases. B. the reaction rate does not change. C. the reaction rate increases. D. the equilibrium shifts.
Question
Not Answered
Updated 5/6/2015 1:34:08 PM
1 Answer/Comment
If a catalyst is used in a reaction: the reaction rate increases.
Added 5/6/2015 1:34:08 PM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [5/6/2015 1:45:04 PM]
A(n) _____ is a compound that produces hydrogen ions when dissolved in water. A. indicator B. base C. buffer D. acid
Weegy: An ACID is a compound that produces hydrogen ions when dissolved in water. (More)
Question
Expert Answered
Updated 5/7/2015 6:44:54 PM
0 Answers/Comments
Compounds that do not conduct an electric current in either aqueous solution or when molten are referred to as _____. A. ionic B. electrolyte C. nonelectrolyte D. not listed
Question
Not Answered
Updated 9/22/2015 7:19:45 PM
1 Answer/Comment
Compounds that do not conduct an electric current in either aqueous solution or when molten are referred to as Non-electrolyte.
Added 9/22/2015 7:19:45 PM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [9/22/2015 8:22:40 PM]
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