1. 6.2 Reaction Rates

2. Rate of Reaction
speed
Rate of reaction: the ______________ that reactants turn into products

3. In order for reactants to occur, reactant particles must collide with each other with enough energy
collision: ___________________
increase collisions = _____________ in reaction rate
the hits
increase

4. more and bigger collisions
Temperature
average
Temperature: _______________ energy of particles
high temperature
high energy
__________
particles
more and bigger collisions
reaction rate
faster
increase

5. Concentration

7. mixture bigger smaller Concentration
Solution: a _______________ of two or more substances
Solvent: the __________ part of the solution
Solute: the __________ part of the solution
bigger
smaller

8. amount higher lower Concentration
Concentration: the ____________ of solute dissolved in solution
Concentrated solution: a solution with a _________ concentration (large amount of solute)
Dilute solution: a solution with a _________ concentration (small amount of solute)
higher
lower

9. water + CuSO4
solvent
solute
dilute
concentrated

10. Concentration more more success low concentration (dilute)
high concentration
___________
particles
collisions
higher chance of ___________
higher reaction rate
more
more
success
low concentration (dilute)
high concentration

11. Surface Area Surface area: the amount of area exposed to the outside
low surface area
high surface area

12. Surface Area high surface area more area for collision more collisions
higher chance of success
higher reaction rate

13. A + B + catalyst → AB + catalyst
Catalyst: a substance that will speed up a reaction ________________________________ in the reaction
without being used up
A + B + catalyst → AB + catalyst

14. Example: Our bodies use enzymes to speed up reactions
Example: Our bodies use enzymes to speed up reactions. Enzymes are molecules that help reactants combine together.

15. non-metal oxide (acid rain)
toxic
Example: Cars use catalytic converters to break down ____________ gases from ____________________. These toxic gases include carbon monoxide (CO), nitrogen oxides (NO, NO2) and hydrocarbons.
Nitrogen oxides: ___________________________________________
Hydrocarbons: creates ___________
Catalytic converters use platinum (Pt) and rhodium (Rh) and palladium (Pd) as catalysts. They are coated inside very small hollow tubes (high surface area!) where the toxic gases will travel through.
combustion
non-metal oxide (acid rain)

16. CxHy NO
NO2 CO

17. non-metal oxide (acid rain) smog
toxic
Example: Cars use catalytic converters to break down ____________ gases from ____________________. These toxic gases include carbon monoxide (CO), nitrogen oxides (NO, NO2) and hydrocarbons.
Nitrogen oxides: ___________________________________________
Hydrocarbons: creates ___________
Catalytic converters use platinum (Pt) and rhodium (Rh) and palladium (Pd) as catalysts. They are coated inside very small hollow tubes (high surface area!) where the toxic gases will travel through.
combustion
non-metal oxide (acid rain)
smog

20. non-metal oxide (acid rain) smog
toxic
Example: Cars use catalytic converters to break down ____________ gases from ____________________. These toxic gases include carbon monoxide (CO), nitrogen oxides (NO, NO2) and hydrocarbons.
Nitrogen oxides: ___________________________________________
Hydrocarbons: creates ___________
Catalytic converters use platinum (Pt) and rhodium (Rh) and palladium (Pd) as catalysts. They are coated inside very small hollow tubes (high surface area!) where the toxic gases will travel through.
combustion
non-metal oxide (acid rain)
smog