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An atom of helium has a radius He= 31. pm and an average speed in the gas phase at 25°C of 787.m/s. Suppose the speed of a helium atom at 25°C has been measured to within 0.010%. Calculate the smallest possible length of box inside of which the atom could be known to be located with certainty. Write your answer as a multiple of the and round it to 2 significant figures. For example, if the smallest box the atom could be in turns out to be 42.0 times the radius of an atom of helium, you would enter "42.He" as your answer. 0.9 X

An atom of helium has a radius He= 31. pm and an average speed in the gas phase at 25°C of 787.m/s. Suppose the speed of a helium atom at 25°C has been measured to within 0.010%. Calculate the smallest possible length of box inside of which the atom could be known to be located with certainty. Write your answer as a multiple of the and round it to 2 significant figures. For example, if the smallest box the atom could be in turns out to be 42.0 times the radius of an atom of helium, you would enter "42.He" as your answer. 0.9 X

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
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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O An atom of helium has a radius The 31. pm and an average speed in the gas phase at 25°C of 787.m/s. Suppose the speed of a helium atom at 25°C has been measured to within 0.010%. Calculate the smallest possible length of box inside of which the atom could be known to be located with certainty. Write your answer as a multiple of He and round it to 2 significant figures. For example, if the smallest box the atom could be in turns out to be 42.0 times the radius of an atom of helium, you would enter "42.He" as your answer. He 5
Transcribed Image Text:O An atom of helium has a radius The 31. pm and an average speed in the gas phase at 25°C of 787.m/s. Suppose the speed of a helium atom at 25°C has been measured to within 0.010%. Calculate the smallest possible length of box inside of which the atom could be known to be located with certainty. Write your answer as a multiple of He and round it to 2 significant figures. For example, if the smallest box the atom could be in turns out to be 42.0 times the radius of an atom of helium, you would enter "42.He" as your answer. He 5
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