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What two things can change the rate of a chemical reaction?
Particles are moving faster so collisions have more energy
Warmer Temp
Particles are more crowded are more likely to collide
Temperature and Concentration
300 seconds
Lower the concentration
Dropping the temperature of Sodium Thiosulfate will slow down a reaction with HCl
Says chemical reactions occur through collisions between molecules
Why does a warm temp speed up chemical reactions?
Particles are moving faster so collisions have more energy
Warmer Temp
Particles are more crowded are more likely to collide
Temperature and Concentration
300 seconds
Lower the concentration
Dropping the temperature of Sodium Thiosulfate will slow down a reaction with HCl
Says chemical reactions occur through collisions between molecules
Collision Theory
Particles are moving faster so collisions have more energy
Warmer Temp
Particles are more crowded are more likely to collide
Temperature and Concentration
300 seconds
Lower the concentration
Dropping the temperature of Sodium Thiosulfate will slow down a reaction with HCl
Says chemical reactions occur through collisions between molecules
Which reaction time most likely corresponds to the lowest concentration of reactant?
Particles are moving faster so collisions have more energy
Warmer Temp
Particles are more crowded are more likely to collide
Temperature and Concentration
300 seconds
Lower the concentration
Dropping the temperature of Sodium Thiosulfate will slow down a reaction with HCl
Says chemical reactions occur through collisions between molecules
Which of the following will SPEED UP a chemical reaction?
Particles are moving faster so collisions have more energy
Warmer Temp
Particles are more crowded are more likely to collide
Temperature and Concentration
300 seconds
Lower the concentration
Dropping the temperature of Sodium Thiosulfate will slow down a reaction with HCl
Says chemical reactions occur through collisions between molecules
Which of the following is most likely to occur in lab?
Particles are moving faster so collisions have more energy
Warmer Temp
Particles are more crowded are more likely to collide
Temperature and Concentration
300 seconds
Lower the concentration
Dropping the temperature of Sodium Thiosulfate will slow down a reaction with HCl
Says chemical reactions occur through collisions between molecules
Why does higher concentration increase the speed of a chemical reaction?
Particles are moving faster so collisions have more energy
Warmer Temp
Particles are more crowded are more likely to collide
Temperature and Concentration
300 seconds
Lower the concentration
Dropping the temperature of Sodium Thiosulfate will slow down a reaction with HCl
Says chemical reactions occur through collisions between molecules
Which of the following will SLOW down a chemical reaction?
Particles are moving faster so collisions have more energy
Warmer Temp
Particles are more crowded are more likely to collide
Temperature and Concentration
300 seconds
Lower the concentration
Dropping the temperature of Sodium Thiosulfate will slow down a reaction with HCl
Says chemical reactions occur through collisions between molecules
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