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Why does the speed of some chemical reactions increase when the surface area of a solid reactant is increased?
Select one:
A. This change increases the concentration of the reactant in the reaction mixture.
B. This change exposes more reactant particles to possible collisions.
C. This change alters the electrical conductivity of the reactant particles.
D. This change increases the density of the reactant particles.
Why does the speed of some chemical reactions increase when the surface area of a solid reactant is increased?
Select one:
A. This change increases the concentration of the reactant in the reaction mixture.
B. This change exposes more reactant particles to possible collisions.
C. This change alters the electrical conductivity of the reactant particles.
D. This change increases the density of the reactant particles.
Hubert KochLv2
7 Oct 2019
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