Chemistry: A Molecular Approach (3rd Edition)

Published by Prentice Hall
ISBN 10: 0321809246
ISBN 13: 978-0-32180-924-7

Chapter 6 - Sections 6.1-6.10 - Exercises - Conceptual Problems: 138

Answer

An exothermic reaction feels hot to the touch because the reaction releases heat to the surroundings. When you touch the vessel in which the reaction occurs, you, being part of the surroundings, gains heat from the system, which makes you feel hot.

Work Step by Step

The energy emitted in an exothermic reaction comes from the potential energy stored in chemical bonds.
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