Rates of chemical reactions

What class are you in?

• 11X2A
• 11X2B
• 11Y2A
• 11Y2B
• Other

What must happen for a reaction to occur? (choose the best answer)

• Product particles must collide
• Reactant particles with enough energy must collide
• Reactant particles must collide
• Product particles must collide with enogh energy

The minimum energy required for a reaction to take place is called:

• Reaction energy
• Activation energy
• Bond anergy
• Kinetic energy

What type of product do we need to be creating to get useful results from the equipment below?

• Gas
• Precipitate
• Aqueous solution
• Solid

What type of product do we need to be creating to get useful results from the equipment below?

• Gas
• Precipitate
• Aqueous solution
• Solid

What type of product do we need to be creating to get useful results from the equipment below?

• Gas
• Precipitate
• Aqueous solution
• Solid

If a reaction produces 200ml of gas in 100 seconds what is the mean rate of reaction?

• 0.5 s/ml
• 2 ml/s
• 20,000 mls

If a reaction produces 20 litres of gas in 10 mins what is the mean rate of reaction?

• 5 s/l
• 0.5 mins / l
• 12000 ls
• 2 l/min

The forward reaction is endothermic. What effect will increasing the temperature have on the reaction. select TWO options.

• decrease the rate of reaction
• increase the rate of reaction
• increase the yield of ammonia
• decrease the yield of ammonia

what effect will increasing the pressure have? select TWO options

• increase the yield
• decrease the yeild
• increase the rate
• decrease the rate