This adjective describes a form of reaction control favored at lower temperatures. For 10 points each:
[10h] Give this adjective that refers to products with more easily accessible transition states as opposed to thermodynamically favored products.
ANSWER: kinetic [accept kinetic reaction control or kinetic product]
[10e] Kinetic reactions thus have lower values for this energy needed to initiate a reaction than their thermodynamic counterparts.
ANSWER: activation energy
[10m] The adjective kinetic also describes an effect in which a reaction rate changes when an reactant has one of its atoms replaced by one of these entities. The magnitude of this is greatest when substituting a protium hydrogen.
ANSWER: isotopes
<AW, Chemistry>