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Chemistry

10th Edition
Steven S. Zumdahl + 2 others
Publisher: Cengage Learning
ISBN: 9781305957404

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Section
BuyFindarrow_forward

Chemistry

10th Edition
Steven S. Zumdahl + 2 others
Publisher: Cengage Learning
ISBN: 9781305957404
Chapter 7, Problem 150AE
Textbook Problem
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Consider the following approximate visible light spectrum:

Chapter 7, Problem 150AE, Consider the following approximate visible light spectrum: Barium emits light in the visible region

Barium emits light in the visible region of the spectrum. If each photon of light emitted from barium has an energy of 3.59 × 10−19 J, what color of visible light is emitted?

Interpretation Introduction

Interpretation: The approximate visible light spectrum and the energy of a light photon emitted by Barium are given. Using these, color of visible light emitted is to be determined.

Concept introduction:

The energy of a photon is the energy that an electron loses while moving to a lower energy level. The energy of light photon is inversely proportional to photon wavelength.

To determine: The color of the visible light being emitted by Barium.

Explanation of Solution

To determine: The wavelength of the light photon emitted.

Given

Energy of light photon emitted (E)=3.59×1019J

Formula

The value of energy is given by,

E=hcλλ=hcE

Where,

  • λ is the wavelength
  • h is Plank’s constant
  • c is speed of light
  • E is the energy

Now,

The value of Planck’s constant, h=6.626×1034J

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Chapter 7 Solutions

Chemistry
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