CHEMISTRY:MOLEC NAT PRINT COMPANION
CHEMISTRY:MOLEC NAT PRINT COMPANION
9th Edition
ISBN: 9781264384594
Author: SILBERBERG
Publisher: MCG
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Chapter 7, Problem 7.63P

(a)

Interpretation Introduction

Interpretation:

The reason the lines for potassium and silver do not begin at the origin in the kinetic energy vs frequency graph is to be determined.

Concept introduction:

The major points of the Einstein photoelectric effect are as follows:

1) Light consists of photons. Each photon has an energy equivalent to hν.

2) The collision of a photon and an electron on the metal surface is elastic in nature.

3) Out of the total energy gained by the electron, some of it is used by the electron to lodge out of the metal surface whereas the remaining part is the kinetic energy of the electron.

4) The minimum energy required to lodge an electron out of the metal surface is called the work function of the metal.

5) The remaining energy is the maximum kinetic energy of the photoelectron.

(b)

Interpretation Introduction

Interpretation:

The reason the lines for potassium and silver do not begin at the same point is to be determined.

Concept introduction:

The major points of the Einstein photoelectric effect are as follows:

1) Light consists of photons. Each photon has an energy equivalent to hν.

2) The collision of a photon and an electron on the metal surface is elastic in nature.

3) Out of the total energy gained by the electron, some of it is used by the electron to lodge out of the metal surface whereas the remaining part is the kinetic energy of the electron.

4) The minimum energy required to lodge an electron out of the metal surface is called the work function of the metal.

5) The remaining energy is the maximum kinetic energy of the photoelectron.

(c)

Interpretation Introduction

Interpretation:

The metal from which electron will be ejected by the light of shorter wavelength is to be determined.

Concept introduction:

Electromagnetic waves are radiations that are formed by oscillating electric and magnetic fields. The electric and magnetic field components of an electromagnetic wave are perpendicular to each other.

Energy is proportional to the frequency and is expressed by the Plank-Einstein equation as follows:

E=hν

Here,

E is the energy.

h is the Plank’s constant.

ν is the frequency.

The equation to relate the frequency and wavelength of electromagnetic radiation is as follows:

ν=cλ

The equation to calculate the energy of a photon is,

E=hcλ

Here,

c is the speed of light.

λ is the wavelength.

(d)

Interpretation Introduction

Interpretation:

The reason the slopes are equal for both potassium and silver is to be determined.

Concept introduction:

The major points of the Einstein photoelectric effect are as follows:

1) Light consists of photons. Each photon has an energy equivalent to hν.

2) The collision of a photon and an electron on the metal surface is elastic in nature.

3) Out of the total energy gained by the electron, some of it is used by the electron to lodge out of the metal surface whereas the remaining part is the kinetic energy of the electron.

4) The minimum energy required to lodge an electron out of the metal surface is called the work function of the metal.

5) The remaining energy is the maximum kinetic energy of the photoelectron.

Blurred answer

Chapter 7 Solutions

CHEMISTRY:MOLEC NAT PRINT COMPANION

Ch. 7.4 - Prob. 7.6AFPCh. 7.4 - Prob. 7.6BFPCh. 7.4 - Prob. 7.7AFPCh. 7.4 - Prob. 7.7BFPCh. 7.4 - Prob. 7.8AFPCh. 7.4 - Prob. 7.8BFPCh. 7 - Prob. 7.1PCh. 7 - Consider the following types of electromagnetic...Ch. 7 - Prob. 7.3PCh. 7 - In the 17th century, Isaac Newton proposed that...Ch. 7 - Prob. 7.5PCh. 7 - What new idea about light did Einstein use to...Ch. 7 - An AM station broadcasts rock music at “950 on...Ch. 7 - An FM station broadcasts music at 93.5 MHz...Ch. 7 - Prob. 7.9PCh. 7 - An x-ray has a wavelength of 1.3 Å. Calculate the...Ch. 7 - Prob. 7.11PCh. 7 - Prob. 7.12PCh. 7 - Police often monitor traffic with “K-band” radar...Ch. 7 - Covalent bonds in a molecule absorb radiation in...Ch. 7 - Prob. 7.15PCh. 7 - Prob. 7.16PCh. 7 - How is n1 in the Rydberg equation (Equation 7.4)...Ch. 7 - What key assumption of Bohr’s model would a “Solar...Ch. 7 - Prob. 7.19PCh. 7 - Which of these electron transitions correspond to...Ch. 7 - Why couldn’t the Bohr model predict spectra for...Ch. 7 - Prob. 7.22PCh. 7 - Use the Rydberg equation to find the wavelength...Ch. 7 - Prob. 7.24PCh. 7 - Prob. 7.25PCh. 7 - Prob. 7.26PCh. 7 - Prob. 7.27PCh. 7 - Prob. 7.28PCh. 7 - Prob. 7.29PCh. 7 - Prob. 7.30PCh. 7 - Prob. 7.31PCh. 7 - Prob. 7.32PCh. 7 - In addition to continuous radiation, fluorescent...Ch. 7 - Prob. 7.34PCh. 7 - Prob. 7.35PCh. 7 - Prob. 7.36PCh. 7 - Prob. 7.37PCh. 7 - Prob. 7.38PCh. 7 - A 232-lb fullback runs 40 yd at 19.8 ± 0.1...Ch. 7 - Prob. 7.40PCh. 7 - Prob. 7.41PCh. 7 - Prob. 7.42PCh. 7 - Prob. 7.43PCh. 7 - Prob. 7.44PCh. 7 - What physical meaning is attributed to ψ2? Ch. 7 - What does “electron density in a tiny volume of...Ch. 7 - Prob. 7.47PCh. 7 - Prob. 7.48PCh. 7 - How many orbitals in an atom can have each of the...Ch. 7 - Prob. 7.50PCh. 7 - Give all possible ml values for orbitals that have...Ch. 7 - Prob. 7.52PCh. 7 - Prob. 7.53PCh. 7 - Prob. 7.54PCh. 7 - Prob. 7.55PCh. 7 - Prob. 7.56PCh. 7 - Prob. 7.57PCh. 7 - Prob. 7.58PCh. 7 - Prob. 7.59PCh. 7 - Prob. 7.60PCh. 7 - Prob. 7.61PCh. 7 - The quantum-mechanical treatment of the H atom...Ch. 7 - The photoelectric effect is illustrated in a plot...Ch. 7 - Prob. 7.64PCh. 7 - Prob. 7.65PCh. 7 - Prob. 7.66PCh. 7 - Prob. 7.67PCh. 7 - Prob. 7.68PCh. 7 - Prob. 7.69PCh. 7 - Prob. 7.70PCh. 7 - Prob. 7.71PCh. 7 - Prob. 7.72PCh. 7 - Prob. 7.73PCh. 7 - Prob. 7.74PCh. 7 - Use the relative size of the 3s orbital below to...Ch. 7 - Prob. 7.76PCh. 7 - Prob. 7.77PCh. 7 - Enormous numbers of microwave photons are needed...Ch. 7 - Prob. 7.79PCh. 7 - Prob. 7.80PCh. 7 - Prob. 7.81PCh. 7 - Prob. 7.82PCh. 7 - Prob. 7.83PCh. 7 - Prob. 7.84PCh. 7 - For any microscope, the size of the smallest...Ch. 7 - In fireworks, the heat of the reaction of an...Ch. 7 - Prob. 7.87PCh. 7 - Fish-liver oil is a good source of vitamin A,...Ch. 7 - Many calculators use photocells as their energy...Ch. 7 - Prob. 7.90PCh. 7 - Prob. 7.91PCh. 7 - Prob. 7.92PCh. 7 - The flame tests for sodium and potassium are based...Ch. 7 - Prob. 7.94PCh. 7 - Prob. 7.95PCh. 7 - The discharge of phosphate in detergents to the...
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