kinetics

• stay why the curve starts at the origin in maxwell-boltzmann graph

  there are no molecules with no energy
• explain how a catalyst increases the rate of reaction.

  catalyst provides an alternate pathway which lowers the activation energy.
• effect of increasing concentration on the rate of reaction.

  rate of reaction would increase as there are more particles in the same volume which increases the frequency of successful collisions.
• what effect would lowering the temperature would have on the rate of

  reaction.

  decrease the rate of reaction as fewer particles will have energy greater than or equal to the activation energy so less frequent successful collisions occur.
• two factors required for a reaction to take place between particles.

  correct orientation of particles and kinetic energy.
• five factors that affect rate of reaction?

  temperature, concentration, pressure, surface area and a catalyst
• how does increasing surface are effect the rate of reaction.

  increases rate of reaction because more particles are able to collide with molecules therefore increasing the frequency of successful collisions.
• what is activation energy?

  minimum amount of energy needed to start a reaction.
• what does the maxwell-boltzmann distribution show us?

  the distribution of energy amongst particles.