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Environmental Chemistry Assignment | Professional Essay Writers

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February 18th, 2020

(a) Assume an electron in the ground state of the hydrogen atom moves at an average speed of 5.00 10 m/s. If the speed is known to an uncertainty of 1 percent, what is the minimum uncertainty in its position?

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The radius of the hydrogen atom in the ground state is 5.29 x 10″” m. The mass of an electron is 9.1094 x 10-31 kg.

_ x 10_=m

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(b) A 0.17-kg baseball thrown at 100 mph has a momentum of 7.7 kg. m/s. If the uncertainty in measuring the mass is 1.0 x 107 of the mass, calculate the uncertainty in the baseball’s position.

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_ x 10_ =m. Get Chemistry help Today

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