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A formation reaction h

A formation reaction h

Chemistry for Engineering Students
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter11: Chemical Kinetics
Section: Chapter Questions
Problem 11.66PAE
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Corrected True/False: Indicate whether each statement is true or false. If false, correct the statement to make it true. 10. A formation reaction has elements in their standard states as reactants. 11. In exothermic reactions the products have more kinetic energy than the reactants. 12. The process of nuclear decay is a first order reaction. 13. The rate-determining step is the fastest step in a reaction mechanism.
Transcribed Image Text:Corrected True/False: Indicate whether each statement is true or false. If false, correct the statement to make it true. 10. A formation reaction has elements in their standard states as reactants. 11. In exothermic reactions the products have more kinetic energy than the reactants. 12. The process of nuclear decay is a first order reaction. 13. The rate-determining step is the fastest step in a reaction mechanism.
Expert Solution
Step 1

10. A formation reaction has elements in standard states as reactant.     TRUE

Ex.  2Fe(s) +32O2(g) → Fe2O3(s)

 

11. In exothermic reaction the products have more Kinetic energy than the reactants.   FALSE

Explanation: In exothermic reaction the products have less kinetic energy than the reactants.

As,        ∆H = ∆Hp- ∆HR

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