BBC1 年
Energy, rates and reactions - AQA Synergy
A reaction profile includes the activation energy, which is the minimum energy needed by particles when they collide for a reaction to occur. The activation energy is shown as a 'hump' in the line ...
BBC4 年
Energy changes in chemical reactions
The reaction shown by the second diagram is more exothermic. There is a greater difference in energy between the reactants and products. The green arrow is longer.