6Fugacity is a measure of:AVolumeBDensityCTemperatureDThe effective pressure or escaping tendency of a real substanceView AnswerDiscussWorkspaceReportSaveEasy
7A Carnot engine works between 600 K and 300 K. Its efficiency is:A25%B75%C50%D100%View AnswerDiscussWorkspaceReportSaveMedium
8An adiabatic process has:AConstant pressureBConstant temperatureCNo workDNo heat transferView AnswerDiscussWorkspaceReportSaveEasy
9The Carnot cycle efficiency depends only on:AThe engine sizeBThe working fluidCThe temperatures of the hot and cold reservoirsDThe pressureView AnswerDiscussWorkspaceReportSaveEasy
10Gibbs free energy change for a spontaneous process at constant T and P is:ANegativeBZeroCInfiniteDPositiveView AnswerDiscussWorkspaceReportSaveEasy