Explanation Given: The mass of the ice present initially is m = 1.00 g . The wavelength used is λ = 6.42 × 10 − 6 m . The heat of fusion of ice is Δ H fus = 6.00 kJ/mol . The amount of heat required accompanying the phase change of ice is given as follows: q = n Δ H fus Here, n is the number of moles of ice and Δ H fus is the heat of fusion. Calculate the amount of heat required accompanying the phase change of ice by substituting the values as follows: q = n Δ H fus = ( 1.00 g 18.02 g/mol ) × 6.00 kJ/mol × ( 1000 J 1 kJ ) =332 .96 J The energy of the photon is related to the wavelength as follows: E ( 1 photon ) = h c λ Here, E ( 1 photon ) is the energy of one photon, h is the Planck’s constant, λ is the wavelength, and c is the speed of light

Masteringchemistry With Pearson Etext -- Valuepack Access Card -- For Principles Of Chemistry: A Molecular Approach

3rd Edition

ISBN: 9780133890686

Author: Tro

Publisher: PEARSON

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Chapter 7, Problem 102E

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To find: The required number of photons.

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Chapter 7, Problem 101E

Chapter 7, Problem 103E

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Chapter 7 Solutions

Masteringchemistry With Pearson Etext -- Valuepack Access Card -- For Principles Of Chemistry: A Molecular Approach

Ch. 7 - Which wavelength of light has the highest...Ch. 7 - Q2. Which kind of electromagnetic radiation...Ch. 7 - Q3. How much energy (in J) is contained in 1.00...Ch. 7 - Q4. Light from three different lasers (A, B, and...Ch. 7 - Prob. 5SAQ Ch. 7 - Prob. 6SAQ Ch. 7 - Prob. 7SAQ Ch. 7 - Prob. 8SAQ Ch. 7 - Prob. 9SAQ Ch. 7 - Prob. 10SAQ

Ch. 7 - 1. Why is the quantum mechanical model of the atom...Ch. 7 - Prob. 2E Ch. 7 - 3. Define the wavelength and amplitude of a wave....Ch. 7 - 4. Define the frequency of electromagnetic...Ch. 7 - 5. What determines the color of light? Describe...Ch. 7 - Prob. 6E Ch. 7 - Prob. 7E Ch. 7 - Prob. 8E Ch. 7 - Prob. 9E Ch. 7 - 10. Describe the photoelectric effect. How did...Ch. 7 - Prob. 11E Ch. 7 - 12. What is a photon? How is the energy of a...Ch. 7 - Prob. 13E Ch. 7 - Prob. 14E Ch. 7 - Prob. 15E Ch. 7 - Prob. 16E Ch. 7 - 17. What are complementary properties? How does...Ch. 7 - Prob. 18E Ch. 7 - 19. What is a trajectory? What kind of information...Ch. 7 - Prob. 20E Ch. 7 - 21. Newton’s laws of motion are deterministic....Ch. 7 - Prob. 22E Ch. 7 - 23. What is a probability distribution map? Ch. 7 - 24. For each solution to the Schrödinger equation,...Ch. 7 - Prob. 25E Ch. 7 - 26. What is the Schrödinger equation? What is a...Ch. 7 - 27. What are the possible values of the principal...Ch. 7 - 28. What are the possible values of the angular...Ch. 7 - 29. What are the possible values of the magnetic...Ch. 7 - 30. List all the orbitals in each principal level....Ch. 7 - 31. Explain the difference between a plot showing...Ch. 7 - 32. Make sketches of the general shapes of the s,...Ch. 7 - Prob. 33E Ch. 7 - 34. Why are atoms usually portrayed as spheres...Ch. 7 - 35. The distance from the sun to Earth is km. How...Ch. 7 - Prob. 36E Ch. 7 - 37. List these types of electromagnetic radiation...Ch. 7 - 38. List these types of electromagnetic radiation...Ch. 7 - 39. Calculate the frequency of each wavelength of...Ch. 7 - Prob. 40E Ch. 7 - 41. Calculate the energy of a photon of...Ch. 7 - 42. Calculate the energy of a photon of...Ch. 7 - 43. A laser pulse with wavelength 532 nm contains...Ch. 7 - 44. A heat lamp produces 32.8 W of power at a...Ch. 7 - 45. Determine the energy of 1 mol of photons for...Ch. 7 - Prob. 46E Ch. 7 - Prob. 47E Ch. 7 - Prob. 48E Ch. 7 - Prob. 49E Ch. 7 - 50. The smallest atoms can themselves exhibit...Ch. 7 - 51. What is the de Broglie wavelength of an...Ch. 7 - 52. A proton in a linear accelerator has a de...Ch. 7 - 53. Calculate the de Broglie wavelength of a 143-g...Ch. 7 - 54. A 0.22-caliber handgun fires a 1.927 -g bullet...Ch. 7 - 55. An electron has an uncertainty in its position...Ch. 7 - 56. An electron traveling at 3.7 × 105 m/s has an...Ch. 7 - 57. Which electron is, on average, closer to the...Ch. 7 - Prob. 58E Ch. 7 - 59. What are the possible values of l for each...Ch. 7 - Prob. 60E Ch. 7 - 61. Which set of quantum numbers cannot specify an...Ch. 7 - 62. Which combinations of n and l represent real...Ch. 7 - 63. Sketch the 1s and 2p orbitals. How do the 2s...Ch. 7 - Prob. 64E Ch. 7 - 65. An electron in a hydrogen atom is excited with...Ch. 7 - 66. Determine whether each transition in the...Ch. 7 - 67. According to the quantum-mechanical model for...Ch. 7 - 68. According to the quantum-mechanical model for...Ch. 7 - 69. Calculate the wavelength of the light emitted...Ch. 7 - 70. Calculate the frequency of the light emitted...Ch. 7 - 71. An electron in the n = 7 level of the hydrogen...Ch. 7 - Prob. 72E Ch. 7 - Ultraviolet radiation and radiation of shorter...Ch. 7 - Prob. 74E Ch. 7 - Prob. 75E Ch. 7 - 76. A green leaf has a surface area of 2.50 cm2....Ch. 7 - 77. In a technique used for surface analysis...Ch. 7 - Prob. 78E Ch. 7 - Prob. 79E Ch. 7 - 80. The energy required to ionize sodium is 496...Ch. 7 - Prob. 81E Ch. 7 - 82. Suppose that, in an alternate universe, the...Ch. 7 - Prob. 83E Ch. 7 - Prob. 84E Ch. 7 - 85. The binding energy of electrons in a metal is...Ch. 7 - 86. In order for a thermonuclear fusion reaction...Ch. 7 - 87. The speed of sound in air is 344 m/s at room...Ch. 7 - 88. The distance from Earth to the sun is 1.5 ×...Ch. 7 - 89. The iodine molecule can be photodissociated...Ch. 7 - 90. A 5.00-mL ampule of a 0.100-M solution of...Ch. 7 - 91. A laser produces 20.0 mW of red light. In 1.00...Ch. 7 - Prob. 92E Ch. 7 - Prob. 93E Ch. 7 - Prob. 94E Ch. 7 - Prob. 95E Ch. 7 - Prob. 96E Ch. 7 - 99. Find the velocity of an electron emitted by a...Ch. 7 - 100. Water is exposed to infrared radiation of...Ch. 7 - 10199. The 2005 Nobel Prize in Physics was given,...Ch. 7 - 102. A metal with a threshold frequency of 6.71 ×...Ch. 7 - Prob. 101E Ch. 7 - Prob. 102E Ch. 7 - 105. Explain the difference between the Bohr model...Ch. 7 - 106. The light emitted from one of the following...Ch. 7 - Prob. 105E Ch. 7 - Prob. 106E

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