(a) Interpretation: The wavelength of maximum emission of a tungsten filament bulb at 2870 K and 3750 K needs to be calculated. Introduction: The Wein’s displacement Law states that the maximum wavelength in micrometers for the radiations of the blackbody is represented as follows: Λ m a x T = 2.90 × 10 3 Here, T is defined as the temperature in Kelvin as it is absolute temperature. Stefan’s law states that the total quantity of heat energy released per second per unit area by a perfect blackbody is directly proportional/related to the fourth power of the absolute temperature of its surface given by the equation: E t = aT 4 Where a has a value of 5.69 × 10 − 8 Wm -2 K -4

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1A H 2A Li Be Use the References to access important values if needed for this question. 8A 3A 4A 5A 6A 7A He B C N O F Ne Na Mg 3B 4B 5B 6B 7B 8B-1B 2B Al Si P 1B 2B Al Si P S Cl Ar K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe * Cs Ba La Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn Fr Ra Ac Rf Ha ****** Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr Analyze the following reaction by looking at the electron configurations given below each box. Put a number and a symbol in each box to show the number and kind of the corresponding atom or ion. Use the smallest integers possible. cation anion + + Shell 1: 2 Shell 2: 8 Shell 3: 1 Shell 1 : 2 Shell 2 : 6 Shell 1 : 2 Shell 2: 8 Shell 1: 2 Shell 2: 8

Answer 1

Question

Chapter 7, Problem 7.5QAP

Interpretation Introduction

(a)

Interpretation:

The wavelength of maximum emission of a tungsten filament bulb at 2870 K and 3750 K needs to be calculated.

Introduction:

The Wein’s displacement Law states that the maximum wavelength in micrometers for the radiations of the blackbody is represented as follows:

ΛmaxT = 2.90×103

Here, T is defined as the temperature in Kelvin as it is absolute temperature.

Stefan’s law states that the total quantity of heat energy released per second per unit area by a perfect blackbody is directly proportional/related to the fourth power of the absolute temperature of its surface given by the equation:

E_t = aT⁴

Where a has a value of 5.69×10−8 Wm-2K-4

Interpretation Introduction

(b)

Interpretation:

The total energy output of the bulb in terms of W/m³ needs to be determined.

Concept introduction:

The Wein’s displacement Law states that the maximum wavelength in micrometers for the radiations of the blackbody is represented as follows:

ΛmaxT = 2.90×103

Here, T is defined as the temperature in Kelvin as it is absolute temperature.

Stefan’s law states that the total quantity of heat energy released per second per unit area by a perfect black body is directly proportional/related to the fourth power of the absolute temperature of its surface given by the equation:

E_t = aT⁴

Where a has a value of 5.69×10−8 Wm-2K-4

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