If your professor assigns the 8th edition, you need it. But if they assign the 7th (many still do, because of the stable problem sets and fewer typos), the 7th edition is entirely sufficient and much cheaper.
Respect the conservation laws. Entertain curiosity. And if you see a blue-covered textbook on a coffee shop table, know that someone is learning why their latte stays hot—and why that matters. If your professor assigns the 8th edition, you need it
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Includes contemporary examples such as inkjet printers, micro-scale chemical reactors, and biological processes. Problem-Solving Methodology: momentum heat mass transfer PDF