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Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074

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BuyFindarrow_forward

Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074
Textbook Problem

In principle, which of the following can he determined?

(a) the energy of an electron in the H atom with high precision and accuracy

(b) the position of a high-speed electron with high precision and accuracy

(c) at the same time, both the position and the energy of a high-speed electron with high precision and accuracy

Interpretation Introduction

Interpretation:

Concept introduction: It should be identified how the given statements are determined

Heisenberg’s uncertainty principle: It is not possible to find out the momentum and position of a particular electron at the same time.

Energy can be determined by,

  Energy=p22m

Where,

  p is the momentum

  m is the mass

Explanation

Reasons for correct options

According to Heisenberg’s uncertainty principle, if the position of an electron at a particular time is highly precise, then there is uncertainty in momentum of the electron and vice versa.

The momentum and position cannot be determined simultaneously.

So the position of an electron having high speed can also be determined with high accuracy and precision.

Energy can be determined by,

  Energy=p2

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