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Chemistry for Engineering Students
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter9: Energy And Chemistry
Section: Chapter Questions
Problem 9.101PAE
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How does Le Chatelier’s principle impact the example of equilibrium in daily life shown in the image?

2) An example of equilibrium is when hot air and cold air are entering the room at the same time so that the overall temperature of the room does not change at all. Since heat transfers when a hot high-energy atom hits a cooler low-energy atom, thermal equilibrium is usually reached when enough energy from the hot or warm object has been released to the cooler object. So your heat energy or heat transfer is usually from hot to cold. This is why when you open your front door on a really hot summer day, you'll feel the hot air just rush in. The high-energy bouncing atoms from the hot air is being transferred to the low-energy bouncing atoms of your air conditioned home. Now, this air by the door is also hot. Once you close the door, it will begin to cool down since there is more cool air than there is warm air in your home.
Transcribed Image Text:2) An example of equilibrium is when hot air and cold air are entering the room at the same time so that the overall temperature of the room does not change at all. Since heat transfers when a hot high-energy atom hits a cooler low-energy atom, thermal equilibrium is usually reached when enough energy from the hot or warm object has been released to the cooler object. So your heat energy or heat transfer is usually from hot to cold. This is why when you open your front door on a really hot summer day, you'll feel the hot air just rush in. The high-energy bouncing atoms from the hot air is being transferred to the low-energy bouncing atoms of your air conditioned home. Now, this air by the door is also hot. Once you close the door, it will begin to cool down since there is more cool air than there is warm air in your home.
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