chemistry.com/myct/itemViewTassignmentProblemiD 97377385 offset-next mics Part A

Question

chemistry.com/myct/itemViewTassignmentProblemiD 97377385 offset-next mics Part A ate Work Classily the following by the sign of &.B for the sysem yed, but it can be s surroundings is positive if the gative it the The total change heat, g. and work Drag the appropriate items to their respective bins. Ii no definitive classification can be made, drag the item into the bin labeled "Not enough data. View Available Hintis Reset Help 1 of2 Not enough data The system expands The systam expands pet colder Tha system contracds get colder roundings pet hoter The syshemc pt hotter MacBook Pro 8 7 9 8 6 5

Explanation / Answer

1. deltaE = + Ve

(a) The system expands and the surroudings get colder

(b) The system contracts and the surroundings get colder.

NOTE: SInce the surroundings getting cold, the system absorbs energy and hence the system is endothermic.

2. deltaE = - Ve

(a) The system expands and the surrounidngs get hotter.

(b) The system contracts and the surroundings get hotter.

NOTE: SInce the surroundings getting hot, the system releases energy and hence the system is exothermic.

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