Which statement best describes how a catalyst can speed up a chemical reaction?
o
o
the catalyst makes lower energy pathways available
the catalyst increases the concentration of products
the catalyst binds to enzymes to release substrates
the catalyst increases the concentration of reactants,
o

The correct answer is The catalyst makes lower energy pathways available.

Explanation:

Catalyst are chemical or biochemical compounds the increases the rate of a chemical reaction but itself remain unchanged.

  Catalyst exerts this affect by lowering the activation energy of the reactant but do not have any effect in the equilibrium of that reaction.

 Thus catalyst speeds up the rate of chemical reaction.

the answer is; comparing the frequency of collisions with and without the device

this makes the anti-collision system an independent variable and the collisions a dependent variable. if there are fewer collisions with an anti-collision system that without, then it can be stated that the system is a success. essentially, collisions under an anti-collision system are compared with the frequency of collisions by cars with the human drivers.

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