Factors effecting the rates of reaction

• What factors affect the rate of reaction?

  Temperature, concentration, surface area, catalysts
• How does temperature affect the rate of reaction?

  Higher temperature increases particle movement speed
• What happens to particles when temperature increases?

  Particles move faster and collide more often
• Why do higher temperatures lead to more successful collisions?

  Higher temperatures increase energy and movement
• What is the effect of concentration on reaction rate?

  Higher concentration increases the rate of reaction
• How does surface area affect the rate of reaction?

  Larger surface area increases the rate of reaction
• What is the impact of solid lump size on reaction rate?

  Smaller lumps increase the surface area available
• What role do catalysts play in reactions?

  Catalysts increase the rate of reaction
• How do catalysts affect particle collisions?

  Catalysts lower the energy needed for collisions
• What is the relationship between collisions and reaction rate?

  More collisions lead to a higher reaction rate
• What happens to the rate of reaction with more collisions?

  The rate of reaction increases
• Why do reactions only happen with sufficient energy?

  Particles must collide with enough energy to react
• What is the effect of increasing temperature on energy of collisions?

  It increases the energy of collisions
• How does increasing concentration affect particle collisions?

  It increases the number of particle collisions
• What is the effect of higher temperatures on successful collisions?

  More successful collisions occur at higher temperatures
• What is the significance of sufficient energy in reactions?

  It allows particles to overcome activation energy
• How does increasing concentration affect the number of reactant particles?

  It increases the number of reactant particles
• What happens when there are more reactant particles in a solution?

  More particles lead to more collisions
• What is the relationship between temperature and reaction rate?

  Higher temperature increases the reaction rate
• Why do reactions occur more frequently at higher temperatures?

  Particles have more energy and move faster
• What is the effect of increasing surface area on reaction rate?

  It increases the reaction rate
• How does the presence of more particles affect reaction success?

  It increases the likelihood of successful collisions
• What are the four main factors affecting the rate of reaction?

  • Temperature
  • Concentration (or pressure)
  • Surface area
  • Presence of a catalyst
• How do temperature, concentration, surface area, and catalysts interact to affect reaction rates?

  • Higher temperature increases particle movement
  • Increased concentration leads to more particles
  • Larger surface area allows more collisions
  • Catalysts lower activation energy for reactions
• What happens to the rate of reaction when temperature increases?

  The rate of reaction increases
• How does increasing concentration affect the rate of reaction?

  It increases the rate of reaction
• Why does a more concentrated solution increase reaction rate?

  More particles lead to more collisions
• What is the effect of low concentration on reaction rate?

  It decreases the reaction rate
• How does increasing pressure in gases affect particle crowding?

  It increases particle crowding
• What is the relationship between particle crowding and reaction rate?

  More crowding increases the reaction rate
• What happens to the frequency of collisions with increased pressure?

  It increases the frequency of collisions
• How do smaller solid particles affect reaction rates?

  They increase the reaction rate
• Why does breaking a solid into smaller pieces increase its reaction rate?

  It increases surface area to volume ratio
• What is the effect of larger surface area on reaction rate?

  It increases the reaction rate
• How does the arrangement of particles around a solid affect reaction rate?

  More area allows for more interactions
• What is the implication of a higher surface area for solids in reactions?

  It leads to a faster reaction rate
• How does the rate of reaction differ for solids with larger surface areas?

  It is faster for larger surface areas
• What is the relationship between surface area and volume ratio in solids?

  Higher surface area to volume ratio increases rate
• How does the surface area to volume ratio affect reaction rates in solids?

  A higher ratio leads to faster reactions
• What is the effect of smaller solid particles on their surface area?

  They have a larger surface area