C3 0.0 / 5 ? ChemistryTesting and analysing substancesGCSEOCR Created by: Charis-mayeCreated on: 25-11-16 18:39 CO2 Carbon dioxide 1 of 11 Atoms have a positive nucleus with orbiting electrons 2 of 11 what type of reaction gives out energy to its surroundings in the form of heat? Exothermic 3 of 11 When bonds are broken what type of reaction is this? Endothermic 4 of 11 What do you use to calculte the energy tranfered? specific heat capacity 5 of 11 increasing temperature, increasing concentration, smaller particles and adding a catalyst do what to a reaction? speed up the rate of reaction 6 of 11 more reactant used means.... more product formed 7 of 11 is it the bigger or smaller number that tells you the relative formula mass? bigger 8 of 11 total mass of desired product/ total mass of all products=? atom economy 9 of 11 actual yield/predicted yield x 100 percentage yield 10 of 11 trailing, manafacture and research and development cost when making? pharmasuitical drugs 11 of 11
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