Describe what a reaction profile says about the energy involved in bond breaking and bond making
Energy is taken in breaking bonds (reactants), and energy is given out making bonds (Products)
Describe what would happen when a piece of magnesium ribbon is added to dilute ethanoic acid
Solid Disappears, Colourless solution, fizzing
What is meant by relative atomic mass
Mean mass of an atom of an element relative to a 1/12 mass of carbon-12
What is meant by homologous series
Same functional group, Same general formula, gradual change in physical properties
How to stop temperarture leaving an expermiment
Use a draught shield so more energy given to the water/substance/soloution