Recall Chemistry 2 AQA

Which of these is a way to speed up the rate of reaction?

• Increase Temperature

• decrease concentration

• add more stuff

• Decrease Surface area

Granules of substance have a _____ surface area

• larger

• smaller

• the same

What is a catalyst? Choose 2

• Something which decreases the rate of a reaction
• It is used up
• Something which increases the rate of a reaction
• It is not used up

A faster reaction can be shown on a graph using?

• A shallow line

• A steeper line

• A flat line

• using a bar chart

A faster reaction means?

• Less frequent collisions

• More frequent collisions

• An explosion happens

• Something else

^{Particles must (a)   in order for a reaction to happen}

• collide

• dance

• explode

• touch

Rate of reaction=

• Amount of stuff made/time

• time/amount of stuff

• stuff at the start/stuff at the end

• time x stuff made

A reversible reaction is?

• Use this symbol (drawn on the board)

• Go in 1 direction only

• One where the reactants make the products and the products make the reactants

• can only happen backwards

A Hydrocarbon is?

• Has only Carbon

• Has oxygen in

• Is made of water

• Made of Hydrogen and Carbon only

Complete Combustion makes ​_____ and _____

• Carbon Dioxide

• Water

• Hydrogen

• fuel

• oxygen