FACTORS AFFECTING ROR

• WHAT ARE THE FACTORS AFFECTING RATE OF REACTION?

  • temperature
  • solution concentration
  • pressure
  • SA
  • catalyst
• HOW DOES INCREASING TEMPERATURE AFFECT ROR?

  • increases molecule speed
  • increases KE of particles
  • increasing energy and number of collisions
• HOW DOES INCREASING SOLUTION CONCENTRATION AFFECT ROR?

  • more particles present in given volume
  • collisions are more likely
  • rate increases
  • however as reaction goes on more reactants are used up, decreasing concentration
• HOW DOES INCREASING PRESSURE AFFECT ROR?

  • more molecules in a given volume
  • collisions are more likely
• HOW DOES INCREASING SA AFFECT ROR?

  • greater total SA of solid
  • more particles available to collide with molecules
  • more sites for reaction
  • increases rate
• HOW DOES A CATALYST AFFECT ROR?

  • increases rate of reaction
  • alternate reaction pathway
  • lower activation energy