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Two nitro (NO₂) groups are chemically bonded to a patch of surface. They can't move to another location on the surface, but they can rotate (see sketch at right). It turns out that the amount of rotational kinetic energy each NO₂ group can have is required to be a multiple of &, where ε = 1.0 × 10-24 J. In other words, each NO₂ group could have & of rotational kinetic energy, or 2€, or 3ɛ, and so forth — but it cannot have just any old amount of rotational kinetic energy. Suppose the total rotational kinetic energy in this system is initially known to be 75. Then, some heat is removed from the system, and the total rotational kinetic energy falls to 34€. Calculate the change in entropy. Round your answer to 3 significant digits, and be sure it has the correct unit symbol. 0 ロ・ロ H olo X 3 5 ? -t Two rotating NO₂ groups bonded to a surface.

Two nitro (NO₂) groups are chemically bonded to a patch of surface. They can't move to another location on the surface, but they can rotate (see sketch at right). It turns out that the amount of rotational kinetic energy each NO₂ group can have is required to be a multiple of &, where ε = 1.0 × 10-24 J. In other words, each NO₂ group could have & of rotational kinetic energy, or 2€, or 3ɛ, and so forth — but it cannot have just any old amount of rotational kinetic energy. Suppose the total rotational kinetic energy in this system is initially known to be 75. Then, some heat is removed from the system, and the total rotational kinetic energy falls to 34€. Calculate the change in entropy. Round your answer to 3 significant digits, and be sure it has the correct unit symbol. 0 ロ・ロ H olo X 3 5 ? -t Two rotating NO₂ groups bonded to a surface.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
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Two nitro (NO₂) groups are chemically bonded to a patch of surface. They can't move to another location on the surface, but they can rotate (see sketch at right). It turns out that the amount of rotational kinetic energy each NO₂ group can have is required to be a multiple of &, where ε = 1.0 × 10-24 J. In other words, each NO₂ group could have & of rotational kinetic energy, or 2ɛ, or 3ɛ, and so forth - but it cannot have just any old amount of rotational kinetic energy. Suppose the total rotational kinetic energy in this system is initially known to be 75ɛ. Then, some heat is removed from the system, and the total rotational kinetic energy falls to 34ɛ. Calculate the change in entropy. Round your answer to 3 significant digits, and be sure it has the correct unit symbol. ☐ x10 ロ・ロ μ Two rotating NO2 groups bonded to a surface.
Transcribed Image Text:Two nitro (NO₂) groups are chemically bonded to a patch of surface. They can't move to another location on the surface, but they can rotate (see sketch at right). It turns out that the amount of rotational kinetic energy each NO₂ group can have is required to be a multiple of &, where ε = 1.0 × 10-24 J. In other words, each NO₂ group could have & of rotational kinetic energy, or 2ɛ, or 3ɛ, and so forth - but it cannot have just any old amount of rotational kinetic energy. Suppose the total rotational kinetic energy in this system is initially known to be 75ɛ. Then, some heat is removed from the system, and the total rotational kinetic energy falls to 34ɛ. Calculate the change in entropy. Round your answer to 3 significant digits, and be sure it has the correct unit symbol. ☐ x10 ロ・ロ μ Two rotating NO2 groups bonded to a surface.
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