If a balance reads to two decimal places, write your mass as "2.50g," not "2.5g." Color Changes:
Before diving into the notes, understand the exam format: edexcel ial chemistry unit 3 notes
– Using calorimetry and Hess’s Law to determine the heat energy change of a reaction. If a balance reads to two decimal places,
Measure the temperature change when reactant quantities are mixed in a highly insulating polystyrene cup. Calculation: Apply , followed by write your mass as "2.50g
Neutralisation, displacement, dissolving.