10.05.6 KEYWORDS

· Gas Syringe – Apparatus to accurately measure gases made in a reaction

· Over Water – Method for collecting gas by bubbling through water

· Mass loss method – Measuring rate of gas escapes by weighing

· Gradient - Steepness

· Surface Area – the total area of the outside of a particle

· Successful Collision – Collision in which particles react

· Unsuccessful Collision – Collision in which particles don’t react.

· Enzyme – biological catalyst

· Rate of Reaction – Speed of a reaction (Change of Concentration÷Time)