Chem 121 module 5 flashcard sets
quizlet
, kinetics
the study of rates of reactions and how they are influenced by certain factors like concentration, temp, catalysts, and surface area
increase of temp
causes increase in reaction rate, since the higher temp provides a higher kinetic energy for the reacting particles.
catalyst
a substance that increases the rate of a reaction without being consumed int he overall reaction (lowers activation energy)
increase in surface area
causes solid reactant rate to increase due to the increased surface area of the particles of solid reactants (by grinding solid into a fine powder)
since solids can only react at their surfaces.
increase in concentration
causes reaction rate to increase since this provides more of the reacting particles to undergo the next reaction, but occasionally the rxn rate is
unaffected (but that is very rare)
quizlet
, kinetics
the study of rates of reactions and how they are influenced by certain factors like concentration, temp, catalysts, and surface area
increase of temp
causes increase in reaction rate, since the higher temp provides a higher kinetic energy for the reacting particles.
catalyst
a substance that increases the rate of a reaction without being consumed int he overall reaction (lowers activation energy)
increase in surface area
causes solid reactant rate to increase due to the increased surface area of the particles of solid reactants (by grinding solid into a fine powder)
since solids can only react at their surfaces.
increase in concentration
causes reaction rate to increase since this provides more of the reacting particles to undergo the next reaction, but occasionally the rxn rate is
unaffected (but that is very rare)
