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Concentration, Pressure, and Surface Area
Chemistry · Year 11 · Rates of Chemical Reactions · 3o Periodo

Concentration, Pressure, and Surface Area

Examine how altering the concentration of solutions, the pressure of gases, and the surface area of solids impacts the frequency of collisions.

ACARA Content DescriptionsACARA Australian Curriculum v9 Senior Secondary Chemistry: Unit 2 Molecular interactions and reactions;Rates of chemical reactions;Predict and explain the effect of changes in concentration, pressure and surface area on the rate of reaction using collision theory.

About This Topic

Examine how altering the concentration of solutions, the pressure of gases, and the surface area of solids impacts the frequency of collisions.

Key Questions

  1. How does increasing the concentration of a reactant increase the rate of reaction?
  2. Predict the effect of compressing a gaseous reaction mixture on its reaction rate.
  3. Why do powdered solids react faster than large lumps of the same mass?

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