Chemistry df 0.0 / 5 ? ChemistryArenesA2/A-levelOCR Created by: pxnxCreated on: 13-05-19 16:43 What is the equation for energy transferred? Q=C x M x Change in T 1 of 10 What is the standard enthalpy change of combustion? one mol of a substance is burnt completely in oxygen under standard conditions + states 2 of 10 What is the standard enthalpy change of formation? 1 mol of a compound is formed from its elements under standard conditions + states 3 of 10 What is the standard enthalpy change of neutralisation? 1 mol of hydrogen reacts with 1 mol of OH to form 1 mol of water under standard conditions in solutions containing 1 mol dm-3 4 of 10 What is the enthalpy change of reaction? Sum of enthalpy changes of formation of products---Sum enthalpy of changes of formation of reactants 5 of 10 What is the difference between an alkane and an alkene? alkene double bond, alkane no double bond 6 of 10 Whats the difference aromatic and aliphatic? aromatic-contain benzene ring aliphatic- no benzene ring 7 of 10 What is the formula for an alkane? CnH2n+2 8 of 10 what is the formula for an alkene? CnH2n 9 of 10 What are the features of alkanes? dont mix well with water + form seperate layers, contains non-polar molecule 10 of 10
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