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ID: 289295 • Letter: C
Question
Course Home htmi?courseld 14569546& OpenVellumHMAC-ea81941e218fbb4662361e3735b6c30 10001 MasteringChemistry: HW5- Google Chrome Secure https://session.masteringchemistry.com/myct/itemView?assignmentProblemiD-99966124 HW5 Problem 5.25 Correct Part C Calculate if a system releases 66.9 kl of heat to its surroundings whie the surroundings do 4e o N of work on he system Express your answer using two significant figures AE- Submit PartD Determine whether the process is endothermic or exothermic endothermic exothermic to searchExplanation / Answer
q = -66.9 kJ, w = 48 kJ
delta E = q + w
= -66.9 kJ + 48 kJ
delta E = -18.9 kJ
process is exothermic