Quiz on F331 (module 1) Chemistry Covers the first AS chemistry exam :) 5.0 / 5 based on 7 ratings ? ChemistryEntropyASAll boards Created by: Anna WottonCreated on: 20-05-11 08:53 A compound contains 12.9% Be, 17.3% C and 69.8% O by mass. What is its formula? BeCO3 1 of 10 What term is used to describe two forms of the same element? Isotope 2 of 10 A homogeneous catalyst is in the same physical state as the reactants. ? True 3 of 10 What is the correct order for the way a heterogeneous catalyst works? Reactants adsorbed onto catalyst surface, bonds weaken and break, new bonds and compounds form, products diffuse away 4 of 10 What type of reaction is the following?- C7H16 ----> C7H14 + H2 Reforming 5 of 10 What is an octane number? The tendency of a fuel to auto ignite 6 of 10 Does the entropy of this system decrease or increase? 6CO (g) + 13H2 (g) ------> C6H14 (l) + 6H2O (l) Decrease 7 of 10 Why is ethoxyethane being considered as a possible alternative to petrol in car engines? It produces less carbon monoxide because it contains more oxygen 8 of 10 Is the cycloalkane C5H10 aliphatic or aromatic? Aliphatic 9 of 10 JJ Thompson discovered the.... electron 10 of 10
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