Chemistry and Chemical Reactivity (9th Edition)

Published by Cengage Learning
ISBN 10: 1133949649
ISBN 13: 978-1-13394-964-0

Chapter 1 Basic Concepts of Chemistry - 1-8 Energy: Some Basic Principles - Review & Check for Section 1-8 - Page 19: 2

Answer

A

Work Step by Step

A) H$_2$ and O$_2$ react to form H$_2$O, so they have a higher chemical potencial. B) Breaking atomic bonds requires energy, so the statement is correct. C) To reach 30°C from 20°C, energy must be supplied to the water, so the statement is correct.
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