R = reactants P = productsFor the above energy profiles, which reaction has the lowest activation energy?
A. a
B. b
C. c
D. d
E. All have the same activation energy.
Answer: B
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Through gravitational compression, Earth’s layers were formed by the process of ____
a. plate tectonics
b. accretion c. density stratification d. subduction e. condensation
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A. 80 J. B. more than 160 J. C. 160 J. D. 40 J.