Chemistry (12th Edition)

Published by Prentice Hall
ISBN 10: 0132525763
ISBN 13: 978-0-13252-576-3

Chapter 18 - Reaction Rates and Equilibrium - 18 Assessment: 57

Answer

At room temperature (70 degrees Farenheit), there is not enough energy for gas molecules and oxygen molecules to react (to start a fire). By igniting the flame, the temperature increases as well as the collision energy, allowing to the reaction to begin. The heat released by the reaction maintains the high temperature and allows the reaction to continue spontaneously.

Work Step by Step

At room temperature (70 degrees Farenheit), there is not enough energy for gas molecules and oxygen molecules to react (to start a fire). By igniting the flame, the temperature increases as well as the collision energy, allowing to the reaction to begin. The heat released by the reaction maintains the high temperature and allows the reaction to continue spontaneously.
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