Find the final temperature and the entropy change

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1. A pan in an auto shop contains 5 L of engine oil at 20?C, 100 kPa. Now 3 L of oil at 100?C is mixed into the pan. Neglect any work term and find the final temperature and the entropy change.

2. A computer CPU chip consists of 50 g silicon, 20 g copper, and 50 g polyvinyl chloride (plastic). It heats from 15?C to 75?C as the computer is turned on. How much did the entropy increase?

Reference no: EM131233430

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