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Hey how would I solve this? In moving out of a dormitory at the end of the semes

ID: 1674741 • Letter: H

Question

Hey how would I solve this? In moving out of a dormitory at the end of the semester, astudent does 2.78 x 104 J of work. In the process, hisinternal energy decreases by 5.06 x 104 J. Determineeach of the following quantities (including the algebraic sign):(a)W,(b)U, and(c)Q. Thank you! Hey how would I solve this? In moving out of a dormitory at the end of the semester, astudent does 2.78 x 104 J of work. In the process, hisinternal energy decreases by 5.06 x 104 J. Determineeach of the following quantities (including the algebraic sign):(a)W,(b)U, and(c)Q. Thank you!

Explanation / Answer

Work dine by the student   W = 2.78*104 J internal energy   U = 5.06*104 J    According to first law   ofthermodynamics                   Q   =   W + U                       =(5.06+2.78 ) 104 J                        = 7.84*104 J