Chemistry flashcards 0.0 / 5 ? ChemistryFunctional GroupsA2/A-levelOCR Created by: The_AvatarianCreated on: 23-07-20 12:48 What are the factors that affect Rate of reaction? Temperature, Pressure, Concentration, Surface Area, Catalyst 1 of 9 What is a catalyst? A substance which increases the rate of reaction but it is not used up in the reaction. 2 of 9 How do catalysts increase the Rate of reaction? They Provide an alternative reaction pathway (With a lower activation energy) 3 of 9 What does homogeneous catalyst mean? A catalyst that is in the same phase as the reactants. 4 of 9 What happens when a molecule absorbs infrared radiation? It makes the covalent bond vvibrate more in a stretching or bending motion. 5 of 9 What are the 2 peaks that must be present to identify a substance as carboxylic acid? A Very broad peak at 2500-3300 and a sharp peak at 1680-1750. 6 of 9 What is the symbol of a molecular ion? M+ 7 of 9 What is the m/z value of CH3+? 15 8 of 9 What is the m/z value of OH- from alcohol? 17 9 of 9
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