What is the change in internal energy of a system if the surroundings (a) Transfer 235 J

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What is the change in internal energy of a system if the surroundings 

(a) Transfer 235 J of heat and 128 J of work to the system; 

(b) Absorb 145 J of heat from the system while doing 98 J of work on the system; 

(c) Exchange no heat, but receive 1.07 kJ of work from the system?

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Related Book For  answer-question

General Chemistry Principles And Modern Applications

ISBN: 9780132931281

11th Edition

Authors: Ralph Petrucci, Jeffry Madura, F. Herring, Carey Bissonnette

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