CHEMISTRY-ALEK 360 ACCES 1 SEMESTER ONL
12th Edition
ISBN: 9781259292422
Author: Chang
Publisher: MCG
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 7, Problem 7.94QP
A laser produces a beam of light with a wavelength of 532 nm. If the power output is 25.0 mW, how many photons does the laser emit per second? (1 W = 1 J/s)
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionChapter 7 Solutions
CHEMISTRY-ALEK 360 ACCES 1 SEMESTER ONL
Ch. 7.1 - Which of the waves (a)(c) has (i) the highest...Ch. 7.1 - What is the wavelength (in meters) of an...Ch. 7.1 - Why is radiation only in the UV but not the...Ch. 7.2 - The energy of a photon is 5.87 1020 J. What is...Ch. 7.2 - The work function of titanium metal is 6.93 1019...Ch. 7.2 - A clean metal surface is irradiated with light of...Ch. 7.3 - What is the wavelength (in nanometers) of a photon...Ch. 7.3 - Which transition in the hydrogen atom would emit...Ch. 7.4 - Calculate the wavelength (in nanometers) of a H...Ch. 7.4 - Which quantity in Equation (7.8) is responsible...
Ch. 7.5 - Estimate the uncertainty in the speed of an oxygen...Ch. 7.5 - What is the difference between and 2 for the...Ch. 7.6 - Give the four quantum numbers for each of the two...Ch. 7.7 - Give the values of the quantum numbers associated...Ch. 7.7 - What is the total number of orbitals associated...Ch. 7.7 - Why is it not possible to have a 2d orbital, but a...Ch. 7.8 - Write the four quantum numbers for an electron in...Ch. 7.8 - Prob. 10PECh. 7.8 - Write a complete set of quantum numbers for each...Ch. 7.8 - The ground-state electron configuration of an atom...Ch. 7.9 - Prob. 12PECh. 7.9 - Identify the element that has the following...Ch. 7 - What is a wave? Explain the following terms...Ch. 7 - What are the units for wavelength and frequency of...Ch. 7 - List the types of electromagnetic radiation,...Ch. 7 - Give the high and low wavelength values that...Ch. 7 - Briefly explain Plancks quantum theory and explain...Ch. 7 - Prob. 7.6QPCh. 7 - (a) What is the wavelength (in nm) of light having...Ch. 7 - (a) What is the frequency of light having a...Ch. 7 - Prob. 7.9QPCh. 7 - How many minutes would it take a radio wave to...Ch. 7 - The SI unit of time is the second, which is...Ch. 7 - Prob. 7.12QPCh. 7 - What are photons? What role did Einsteins...Ch. 7 - Consider the plots shown here for the...Ch. 7 - A photon has a wavelength of 624 nm. Calculate the...Ch. 7 - The blue color of the sky results from the...Ch. 7 - A photon has a frequency of 6.0 104 Hz. (a)...Ch. 7 - What is the wavelength, in nm, of radiation that...Ch. 7 - When copper is bombarded with high-energy...Ch. 7 - A particular form of electromagnetic radiation has...Ch. 7 - The work function of potassium is 3.68 1019 J....Ch. 7 - When light of frequency equal to 2.11 1015 s1...Ch. 7 - (a) What is an energy level? Explain the...Ch. 7 - Prob. 7.24QPCh. 7 - Explain why elements produce their own...Ch. 7 - Prob. 7.26QPCh. 7 - Prob. 7.27QPCh. 7 - Explain how astronomers are able to tell which...Ch. 7 - Consider the following energy levels of a...Ch. 7 - Prob. 7.30QPCh. 7 - Calculate the wavelength (in nm) of a photon...Ch. 7 - Calculate the frequency (Hz) and wavelength (nm)...Ch. 7 - Prob. 7.33QPCh. 7 - An electron in the hydrogen atom makes a...Ch. 7 - Explain the statement, Matter and radiation have a...Ch. 7 - How does de Broglies hypothesis account for the...Ch. 7 - Why is Equation (7.8) meaningful only for...Ch. 7 - (a) If a H atom and a He atom are traveling at the...Ch. 7 - Prob. 7.39QPCh. 7 - Protons can be accelerated to speeds near that of...Ch. 7 - What is the de Broglie wavelength, in centimeters,...Ch. 7 - What is the de Broglie wavelength (in nm)...Ch. 7 - What are the inadequacies of Bohrs theory?Ch. 7 - What is the Heisenberg uncertainty principle? What...Ch. 7 - Prob. 7.45QPCh. 7 - How is the concept of electron density used to...Ch. 7 - What is an atomic orbital? How does an atomic...Ch. 7 - Describe the shapes of s, p, and d orbitals. How...Ch. 7 - List the hydrogen orbitals in increasing order of...Ch. 7 - Prob. 7.50QPCh. 7 - Why is a boundary surface diagram useful in...Ch. 7 - Prob. 7.52QPCh. 7 - Which quantum number defines a shell? Which...Ch. 7 - Which of the four quantum numbers (n, , m, ms)...Ch. 7 - Prob. 7.55QPCh. 7 - An electron in an atom is in the n = 3 quantum...Ch. 7 - Give the values of the quantum numbers associated...Ch. 7 - Give the values of the four quantum numbers of an...Ch. 7 - Prob. 7.59QPCh. 7 - What is the difference between a 2px and a 2py...Ch. 7 - Prob. 7.61QPCh. 7 - List all the possible subshells and orbitals...Ch. 7 - Calculate the total number of electrons that can...Ch. 7 - Prob. 7.64QPCh. 7 - Prob. 7.65QPCh. 7 - Indicate the total number of (a) p electrons in N...Ch. 7 - Make a chart of all allowable orbitals in the...Ch. 7 - Why do the 3s, 3p, and 3d orbitals have the same...Ch. 7 - For each of the following pairs of hydrogen...Ch. 7 - Which orbital in each of the following pairs is...Ch. 7 - What is electron configuration? Describe the roles...Ch. 7 - Prob. 7.72QPCh. 7 - Prob. 7.73QPCh. 7 - What is meant by the term shielding of electrons...Ch. 7 - Indicate which of the following sets of quantum...Ch. 7 - The ground-state electron configurations listed...Ch. 7 - The atomic number of an element is 73. Is this...Ch. 7 - Indicate the number of unpaired electrons present...Ch. 7 - State the Aufbau principle and explain the role it...Ch. 7 - Prob. 7.80QPCh. 7 - What is the noble gas core? How does it simplify...Ch. 7 - What are the group and period of the element...Ch. 7 - Prob. 7.83QPCh. 7 - Explain why the ground-state electron...Ch. 7 - Prob. 7.85QPCh. 7 - Comment on the correctness of the following...Ch. 7 - Prob. 7.87QPCh. 7 - Use the Aufbau principle to obtain the...Ch. 7 - Prob. 7.89QPCh. 7 - Prob. 7.90QPCh. 7 - The electron configuration of a neutral atom is...Ch. 7 - Which of the following species has the most...Ch. 7 - A sample tube consisted of atomic hydrogens in...Ch. 7 - A laser produces a beam of light with a wavelength...Ch. 7 - When a compound containing cesium ion is heated in...Ch. 7 - Prob. 7.96QPCh. 7 - Prob. 7.97QPCh. 7 - Prob. 7.98QPCh. 7 - Identify the following individuals and their...Ch. 7 - What properties of electrons are used in the...Ch. 7 - A certain pitchers fastballs have been clocked at...Ch. 7 - A student carried out a photoelectric experiment...Ch. 7 - (a) What is the lowest possible value of the...Ch. 7 - Considering only the ground-state electron...Ch. 7 - A ruby laser produces radiation of wavelength 633...Ch. 7 - A 368-g sample of water absorbs infrared radiation...Ch. 7 - Photodissociation of water H2O(l)+hvH2(g)+12O2(g)...Ch. 7 - Prob. 7.109QPCh. 7 - An atom moving at its root-mean-square speed at...Ch. 7 - Prob. 7.111QPCh. 7 - The He+ ion contains only one electron and is...Ch. 7 - Ozone (O3) in the stratosphere absorbs the harmful...Ch. 7 - The retina of a human eye can detect light when...Ch. 7 - A helium atom and a xenon atom have the same...Ch. 7 - Prob. 7.116QPCh. 7 - Prob. 7.117QPCh. 7 - A photoelectric experiment was performed by...Ch. 7 - Draw the shapes (boundary surfaces) of the...Ch. 7 - The electron configurations described in this...Ch. 7 - Draw orbital diagrams for atoms with the following...Ch. 7 - Prob. 7.122QPCh. 7 - Scientists have found interstellar hydrogen atoms...Ch. 7 - Prob. 7.124QPCh. 7 - Ionization energy is the minimum energy required...Ch. 7 - An electron in a hydrogen atom is excited from the...Ch. 7 - Prob. 7.127QPCh. 7 - Prob. 7.128QPCh. 7 - Prob. 7.129QPCh. 7 - Shown are portions of orbital diagrams...Ch. 7 - The UV light that is responsible for tanning the...Ch. 7 - The sun is surrounded by a white circle of gaseous...Ch. 7 - Prob. 7.133QPCh. 7 - Prob. 7.134QPCh. 7 - Prob. 7.135QPCh. 7 - In an electron microscope, electrons are...Ch. 7 - Prob. 7.137QPCh. 7 - The radioactive Co-60 isotope is used in nuclear...Ch. 7 - (a) An electron in the ground state of the...Ch. 7 - One wavelength in the hydrogen emission spectrum...Ch. 7 - Owls have good night vision because their eyes can...Ch. 7 - For hydrogenlike ions, that is, ions containing...Ch. 7 - When two atoms collide, some of their kinetic...Ch. 7 - Calculate the energies needed to remove an...Ch. 7 - The de Broglie wavelength of an accelerating...Ch. 7 - The minimum uncertainty in the position of a...Ch. 7 - According to Einsteins special theory of...Ch. 7 - The mathematical equation for studying the...Ch. 7 - In the beginning of the twentieth century, some...Ch. 7 - Blackbody radiation is the term used to describe...Ch. 7 - Prob. 7.151QPCh. 7 - The wave function for the 2s orbital in the...Ch. 7 - A student placed a large unwrapped chocolate bar...Ch. 7 - The wave properties of matter can generally be...Ch. 7 - Atoms of an element have only two accessible...Ch. 7 - Prob. 7.156IMECh. 7 - Only a fraction of the electrical energy supplied...Ch. 7 - Prob. 7.158IMECh. 7 - A typical red laser pointer has a power of 5 mW....Ch. 7 - Referring to the Chemistry in Action essay Quantum...
Additional Science Textbook Solutions
Find more solutions based on key concepts
The active ingredient in Tylenol and a host of other over-the-counter pain relievers is acetaminophen (C8H9NO2)...
Chemistry: Atoms First
Calculate the lattice energy of CaCl2 using a Born-Haber cycle and data from Appendices F and L and Table 7.5. ...
Chemistry & Chemical Reactivity
Give one example from main group chemistry that illustrates each of the following descriptions: (a) Covalent ne...
General Chemistry: Atoms First
The active ingredient in Tylenol and a host of other over-the-counter pain relievers is acetaminophen (C8H9NO2)...
Chemistry: Atoms First
The chapter sections to review are shown in parentheses at the end of each problem. A "chemical-free” shampoo i...
Basic Chemistry
Consider a sample of ideal gas initially in a volume V at temperature T and pressure P. Does the entropy of thi...
General Chemistry: Principles and Modern Applications (11th Edition)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- The lasers used in supermarket scanners emit red light at a wavelength of 633 nm. Compact disc players use lasers that emit light (that is not visible) at 840 nm. Which photonsthose emitted by supermarket scanners or compact disc (CD) playerscontain more energy per photon? Supermarket scanners CD players They both contain the same amount of energy per photon.arrow_forwardThe eyes of certain reptiles pass a single visual signal to the brain when the visual receptors are struck by photons of a wavelength of 850 nm. If a total energy of 3.151014 J is required to trip the signal, what is the minimum number of photons that must strike the receptor?arrow_forwardA lightbulb radiates 8.5% of the energy supplied to it as visible light. If the wavelength of the visible light is assumed to be 565 nm, how many photons per second are emitted by a 75-W lightbulb? (1W=1J/s)arrow_forward
- A ruby laser puts out a pulse of red light at a wavelength of 694 nm. (The ruby laser is described in the essay on p 226.) If a pulse delivers 1.05 105 watts of power for 280 s, how many photons are there in this pulse? (1 watt = 1 J/s.)arrow_forward6.17 The laser in most supermarket barcode scanners operates at a wavelength of 632.8 nm. What is the energy of a single photon emitted by such a laser? What is the energy of one mole of these photons?arrow_forward6.16 Various optical disk drives rely on laser operating at different wavelengths, with shorter wavelengths allowing a higher density of data storage. For each of the following drive types, find the energy of a single photon at the specified wavelength. (a) CD, =780nm , (b) DVD, =650nm , (c) Blu-ray disc, =405nmarrow_forward
- Traffic signals are often now made of LEDs (light-emitting diodes). Amber and green ones are pictured here. (a) The light from an amber signal has a wave-length of 595 nm, and that from a green signal has a wavelength of 500 nm. Which has the higher frequency? (b) Calculate the frequency of amber light.arrow_forwardWarm objects emit electromagnetic radiation in the infrared region. Heat lamps employ this principle to generate infrared radiation. Water absorbs infrared radiation with wavelengths near 2.80 m. Suppose this radiation is absorbed by the water and converted to heat. A 1.00-L sample of water absorbs infrared radiation, and its temperature increases from 20.0C to 30.0C. How many photons of this radiation are used to heat the water?arrow_forwardA photon of light produced by a surgical laser has an energy of 3.0271019 J. Calculate the frequency and wavelength of the photon. What is the total energy in 1 mole of photons? What is the color of the emitted light?arrow_forward
- As the weapons officer aboard the Srarship Chemistry, it is your duty to configure a photon torpedo to remove an electron from the outer hull of an enemy vessel. You know that the work function (the binding energy of the electron) of the hull of the enemy ship is 7.52 1019 J. a. What wavelength does your photon torpedo need to be to eject an electron? b. You find an extra photon torpedo with a wavelength of 259 nm and fire it at the enemy vessel. Does this photon torpedo do any damage to the ship (does it eject an electron)? c. If the hull of the enemy vessel is made of the element with an electron configura tion of [Ar]4s13d10, what metal is this?arrow_forwardMicrowaves have frequencies in the range 109 to 1012/s (cycles per second), equivalent to between 1 gigahertz and 1 terahertz. What is the wavelength of microwave radiation whose frequency is 1.395 1010/s?arrow_forwardWhat type of relationship (direct or inverse) e xists between wavelength, frequency, and photon energy? What does a photon energy unit of a joule equal?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- General Chemistry - Standalone book (MindTap Cour...ChemistryISBN:9781305580343Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; DarrellPublisher:Cengage LearningChemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage LearningChemistry for Engineering StudentsChemistryISBN:9781337398909Author:Lawrence S. Brown, Tom HolmePublisher:Cengage Learning
- Chemistry: Principles and PracticeChemistryISBN:9780534420123Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward MercerPublisher:Cengage LearningChemistry by OpenStax (2015-05-04)ChemistryISBN:9781938168390Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark BlaserPublisher:OpenStaxChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage Learning
General Chemistry - Standalone book (MindTap Cour...
Chemistry
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Cengage Learning
Chemistry: Principles and Reactions
Chemistry
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:Cengage Learning
Chemistry for Engineering Students
Chemistry
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Cengage Learning
Chemistry: Principles and Practice
Chemistry
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Cengage Learning
Chemistry by OpenStax (2015-05-04)
Chemistry
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:OpenStax
Chemistry
Chemistry
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Cengage Learning
Quantum Mechanics - Part 1: Crash Course Physics #43; Author: CrashCourse;https://www.youtube.com/watch?v=7kb1VT0J3DE;License: Standard YouTube License, CC-BY