please can someone help

Apr 28th, 2015
Anonymous
Category:
Biology
Price: $5 USD

Question description

Select True or False for the following statements about chemical kinetics. 
The reaction activation energy is always positive. 
 A clock reaction is a reaction that occurs at a constant rate. 
The activation energy can be decreased by addition of a catalyst. 
 The rate of a reaction usually changes if the concentration of the reactants are changed. 
 The energy of activation is always greater for the reverse reaction.

What effect does a catalyst have on each of the following? increases, decrease or does not change
The rate of the reverse step of the reaction. 
The rate of the foward step of the reaction. 
Enthalpy of Reaction 

Tutor Answer

(Top Tutor) Studypool Tutor
School: UC Berkeley
PREMIUM TUTOR

Studypool has helped 1,244,100 students
Ask your homework questions. Receive quality answers!

Type your question here (or upload an image)

1827 tutors are online

Brown University





1271 Tutors

California Institute of Technology




2131 Tutors

Carnegie Mellon University




982 Tutors

Columbia University





1256 Tutors

Dartmouth University





2113 Tutors

Emory University





2279 Tutors

Harvard University





599 Tutors

Massachusetts Institute of Technology



2319 Tutors

New York University





1645 Tutors

Notre Dam University





1911 Tutors

Oklahoma University





2122 Tutors

Pennsylvania State University





932 Tutors

Princeton University





1211 Tutors

Stanford University





983 Tutors

University of California





1282 Tutors

Oxford University





123 Tutors

Yale University





2325 Tutors