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The Particle Nature of Light Solutions Library

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The Particle Nature of Light

Q. Part C. For the wave of light you generated in the Part B, calculate the amount of energy in 1.0 mol of photons with that same frequency (6.8 × 109...

Solved • Jul 2, 2020

The Particle Nature of Light

Q. What is the wavelength λ of the photon that has been released in Part B?The electron from a hydrogen atom drops from an excited state into the grou...

Solved • Jul 2, 2020

The Particle Nature of Light

Q. Part C. Hospital X-ray generators emit X-rays with wavelength of about 15.0 nanometers (nm), where 1 nm = 10-9 m. What is the energy of a photon of...

Solved • Jul 2, 2020

The Particle Nature of Light

Q. Part B. Green light has a frequency of about 6.00 × 1014 s-1. What is the energy of a photon of green light?Express your answer to three significan...

Solved • Jul 2, 2020

The Particle Nature of Light

Q. Calculate the wavelength of the photon emitted when an electron makes a transition from n = 6 to n = 3. You can make use of the following constants...

Solved • Jul 2, 2020

The Particle Nature of Light

Q. Part B. Peroxyacyl nitrates contain two relatively weak bonds that can be broken by low-energy photons. The weakest is the N−O bond in the nitrate ...

Solved • Jul 2, 2020

The Particle Nature of Light

Q. Part D. Imagine an electric stove where a setting of 6 heats the coil, but it still appears black. When the dial is turned to 7, the coil begins to...

Solved • Jul 2, 2020

The Particle Nature of Light

Q. Part B. Two of the types of infrared light, IR-C and IR-A, are both components of sunlight. Their wavelengths range from 3000 to 1,000,000 nm for I...

Solved • Jul 2, 2020

The Particle Nature of Light

Q. Part C. Calculate the energy (in joules) of each photon that is emitted from a patch of ground that is at 27°C. Use the value of λmax of that tempe...

Solved • Jul 2, 2020

The Particle Nature of Light

Q. Part B. Using the visible region of the EM spectrum from the transition as a guide, label each indicated region of the hypothetical flame with the ...

Solved • Jul 2, 2020

The Particle Nature of Light

Q. Part A. Use the PhET simulation to adjust the temperature and examine where λmax occurs for the surface of the Earth, a light bulb, the sun, and Si...

Solved • Jul 2, 2020

The Particle Nature of Light

Q. Part A. Suppose that the microwave radiation has a wavelength of 12 cm. How many photons are required to heat 225 mL of coffee from 25.0°C to 62.0°...

Solved • Jul 2, 2020

The Particle Nature of Light

Q. Part C. What is the longest wavelength λ of light that will provide photons of sufficient energy to break the π bond and cause the isomerization?Ex...

Solved • Jul 2, 2020

The Particle Nature of Light

Q. A ground state hydrogen atom absorbs a photon of light having a wavelength of 92.27 nm. It then gives off a photon having a wavelength of 1817 nm. ...

Solved • Jun 16, 2020

The Particle Nature of Light

Q. How much energy is contained in 1 mol of each of the following?1. X-ray photons with a wavelength of 0.135 nm. Express the energy numerically in ki...

Solved • Apr 29, 2020

The Particle Nature of Light

Q. Calculate the energy for one mole of photons (an einstein) for light absorbed at 6.90 x 102 nm.

Solved • Apr 29, 2020

The Particle Nature of Light

Q. How much energy (in kJ) do 3.0 moles of photons, all with a wavelength of 655 nm, contain?

Solved • Apr 20, 2020

The Particle Nature of Light

Q. Complete this table for visible light.     Wavelength (nm)     Frequency (s-1)     Energy (kJ/mol)     Color of lighta.   693.3                    ...

Solved • Mar 20, 2020

The Particle Nature of Light

Q. Complete this table for visible lightWavelength (nm)          Frequency(s-1)          Energy per photon (J)          Colora. 713.7                 ...

Solved • Mar 20, 2020

The Particle Nature of Light

Q. A photon of orange light has energy of 3.13 x 10-19 J. What is its wavelength?A. 700 nmB. 635 nmC. 590 nmD. 562 nmE. 494 nm

Solved • Nov 28, 2019

The Particle Nature of Light

Q. Infrared radiation has wavelengths of roughly from 700 nm to 1 mm. If a certain infrared wave has a wavelength of 6,254 nm, what is the energy of o...

Solved • Nov 22, 2019

The Particle Nature of Light

Q. Visible light has wavelengths of roughly from 400 to 700 nm. If a certain color has a wavelength of 476.4 nm, what is the energy of one of its phot...

Solved • Nov 21, 2019

The Particle Nature of Light

Q. My microwave operates at a wavelength of 300.0 mm (note units). What is the energy of a mole of photons generated by this microwave?  The value of ...

Solved • Oct 8, 2019

The Particle Nature of Light

Q. Calculate the energy of a photon in joules if the wavelength is 5.48 x 10 2 nm.

Solved • Sep 18, 2019

The Particle Nature of Light

Q. What is the energy of the green light emitted, per photon, by a mercury lamp with a frequency of 5.49 × 1014 Hz?a. 2.75 × 10-19 Jb. 3.64 × 10-19 Jc...

Solved • Sep 15, 2019

The Particle Nature of Light

Q. Which one of the following occurs as the energy of a photon increases?a. The frequency decreases.b. The speed increases.c. The wavelength gets shor...

Solved • Sep 15, 2019

The Particle Nature of Light

Q. How much energy (in kJ) do 3.00 moles of photons, all with a wavelength of 675 nm, contain?A) 532 kJ B) 177 kJ C) 238 kJ D) 418 kJ E) 354 kJ

Solved • Sep 12, 2019

The Particle Nature of Light

Q. A mole of red photons of wavelength 725 nm has kj of _____.

Solved • Aug 29, 2019

The Particle Nature of Light

Q. Microwave ovens emit microwave energy with a wavelength of 12.2 cm. What is the energy of exactly one photon of this microwave radiation?

Solved • Aug 8, 2019

The Particle Nature of Light

Q. The wavelength of some orange light is 620.0 nm. What is the frequency of this orange light?

Solved • Aug 7, 2019

The Particle Nature of Light

Q. If light has a wavelength of 468 nm, what is the energy of this light expressed with units of kJ/mol?

Solved • Aug 7, 2019

The Particle Nature of Light

Q. What is the energy of a photon of light with a wavelength of 575 nm?

Solved • Aug 7, 2019

The Particle Nature of Light

Q. Calculate the energy of the violet light emitted by a hydrogen atom with a wavelength of 410.1 nm.

Solved • Aug 2, 2019

The Particle Nature of Light

Q. Complete this table for visible light.

Solved • Jul 9, 2019

The Particle Nature of Light

Q. X-ray diffractometers often use metals that have had their core electrons excited as a source of X rays. Consider the 2p → 1s transition for copper...

Solved • Nov 27, 2018

The Particle Nature of Light

Q. Which wavelength of light (in nm) is emitted if an electron moves from the conduction band to the valence band in a sample of diamond (diamond has ...

Solved • Nov 27, 2018

The Particle Nature of Light

Q. The energy from radiation can be used to cause the rupture of chemical bonds. A minimum energy of 242 kJ/mol is required to break the chlorine–chlo...

Solved • Nov 12, 2018

The Particle Nature of Light

Q. Titanium metal requires a photon with a minimum energy of  6.94 x 10 - 19 to emit electrons.What is the wavelength of this light?

Solved • Nov 12, 2018

The Particle Nature of Light

Q. Calculate the energy of a photon of electromagnetic radiation whose frequency is 2.86×1014 s-1 .

Solved • Nov 12, 2018

The Particle Nature of Light

Q. One way to measure ionization energies is photoelectron spectroscopy (PES), a technique based on the photoelectric effect. In PES, monochromatic li...

Solved • Nov 12, 2018

The Particle Nature of Light

Q. Carotenoids are yellow, orange, and red pigments synthesized by plants. The observed color of an object is not the color of light it absorbs but ra...

Solved • Nov 12, 2018

The Particle Nature of Light

Q. The rays of the Sun that cause tanning and burning are in the ultraviolet portion of the electromagnetic spectrum. These rays are categorized by wa...

Solved • Nov 12, 2018

The Particle Nature of Light

Q. The watt is the derived SI unit of power, the measure of energy per unit time: 1W = 1J/s. A semiconductor laser in a CD player has an output wavele...

Solved • Nov 12, 2018

The Particle Nature of Light

Q. A stellar object is emitting radiation at 3.60 mm.If the detector is capturing 3.3×108 photons per second at this wavelength, what is the total ene...

Solved • Nov 12, 2018

The Particle Nature of Light

Q. Calculate the energy of a photon of wavelength 0.154 nm .

Solved • Nov 12, 2018

The Particle Nature of Light

Q. An AM radio station broadcasts at 1030 kHz , and its FM partner broadcasts at 98.4 MHz .Calculate the energy of the photons emitted by the AM radio...

Solved • Nov 12, 2018

The Particle Nature of Light

Q. An AM radio station broadcasts at 1030 kHz , and its FM partner broadcasts at 98.4 MHz .Calculate the energy of the photons emitted by the FM radio...

Solved • Nov 12, 2018

The Particle Nature of Light

Q. The human eye contains a molecule called 11-cis-retinal that changes shape when struck with light of sufficient energy. The change in shape trigger...

Solved • Nov 12, 2018

The Particle Nature of Light

Q. How much energy is contained in 1 mol of X-ray photons with a wavelength of 0.135 nm.

Solved • Nov 12, 2018

The Particle Nature of Light

Q. Calculate the energy of a photon of electromagnetic radiation at each of the following frequencies.102.6 MHz (typical frequency for FM radio broadc...

Solved • Nov 12, 2018

The Particle Nature of Light

Q. Ultraviolet radiation and radiation of shorter wavelengths can damage biological molecules because these kinds of radiation carry enough energy to ...

Solved • Nov 12, 2018

The Particle Nature of Light

Q. The iodine molecule can be photodissociated (broken apart with light) into iodine atoms in the gas phase with light of wavelengths shorter than abo...

Solved • Nov 12, 2018

The Particle Nature of Light

Q. Water is exposed to infrared radiation of wavelength 2.8×10−4 cm. Assume that all the radiation is absorbed and converted to heat. How many photons...

Solved • Nov 12, 2018

The Particle Nature of Light

Q. The heat of fusion of ice is 6.00 kJ/mol. Find the number of photons of wavelength λ = 6.01×10−6 m that must be absorbed to melt 5.50 g of ice.

Solved • Nov 12, 2018

The Particle Nature of Light

Q. Determine the energy of 1.60 mol of photons for each of the following kinds of light. (Assume three significant figures.)infrared radiation (1510 nm)

Solved • Nov 12, 2018

The Particle Nature of Light

Q. Determine the energy of 1.60 mol of photons for each of the following kinds of light. (Assume three significant figures.)ultraviolet radiation (155...

Solved • Nov 12, 2018

The Particle Nature of Light

Q. Without stratospheric ozone (O3), harmful solar radiation would cause gene alterations. Ozone forms when the bond in O2 breaks and each O atom reac...

Solved • Oct 24, 2018

The Particle Nature of Light

Q. A Blu-ray laser has a power of 5 milliwatts (1 watt = 1 J s−1). How many photons of light are produced by the laser in 1 hour?  (λ = 405nm.)

Solved • Oct 22, 2018

The Particle Nature of Light

Q. The 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...

Solved • Oct 22, 2018

The Particle Nature of Light

Q. Photons of infrared radiation are responsible for much of the warmth we feel when holding our hands before a fire. These photons will also warm oth...

Solved • Oct 22, 2018

The Particle Nature of Light

Q. A photon of light produced by a surgical laser has an energy of 3.027 × 10−19 J. Calculate the frequency and wavelength of the photon. What is the ...

Solved • Oct 22, 2018

The Particle Nature of Light

Q. Heated lithium atoms emit photons of light with an energy of 2.961 × 10−19 J. Calculate the frequency and wavelength of one of these photons. What ...

Solved • Oct 22, 2018

The Particle Nature of Light

Q. Light with a wavelength of 614.5 nm looks orange. What is the energy, in joules, per photon of this orange light? What is the energy in eV (1 eV = ...

Solved • Oct 22, 2018

The Particle Nature of Light

Q. A bright violet line occurs at 435.8 nm in the emission spectrum of mercury vapor. What amount of energy, in joules, must be released by an electro...

Solved • Oct 22, 2018

The Particle Nature of Light

Q. In fireworks, the heat of the reaction of an oxidizing agent, such as KClO4, with an organic compound excites certain salts, which emit specific co...

Solved • Oct 18, 2018

The Particle Nature of Light

Q. The optic nerve needs a minimum of 2.0 x 10−17 J of energy to trigger a series of impulses that eventually reach the brain. How many photons of blu...

Solved • Oct 18, 2018

The Particle Nature of Light

Q. A lithium flame has a characteristic red color due to emission of light of wavelength 671 nm. What is the mass equivalence of 1 mol photons with th...

Solved • Oct 17, 2018

The Particle Nature of Light

Q. Cobalt-60 is a radioactive isotope used to treat cancers. A gamma ray emitted by this isotope has an energy of 1.33 MeV (million electron volts; 1 ...

Solved • Oct 17, 2018

The Particle Nature of Light

Q. An x-ray has a wavelength of 1.3 Å. Calculate the energy (in J) of one photon of this radiation.

Solved • Oct 17, 2018

The Particle Nature of Light

Q. A radio wave has a frequency of 3.8 x 10 10 Hz. What is the energy (in J) of one photon of this radiation?

Solved • Oct 17, 2018

The Particle Nature of Light

Q. Cesium was discovered in natural mineral waters in 1860 by R. W. Bunsen and G. R. Kirchhoff, using the spectroscope they invented in 1859. The name...

Solved • Oct 16, 2018

The Particle Nature of Light

Q. X rays have wavelengths on the order of 1 x 10-10 m. Calculate the energy of 1.0 x 10 -10 m X rays in units of kilojoules per mole of X rays. (1 mo...

Solved • Oct 15, 2018

The Particle Nature of Light

Q. Consider the following waves representing electromagnetic radiation:Which wave has the longer wavelength? Calculate the wavelength. Which wave has ...

Solved • Oct 15, 2018

The Particle Nature of Light

Q. Carbon absorbs energy at a wavelength of 150 nm. The total amount of energy emitted by a carbon sample is 1.98 x 105 J. Calculate the number of car...

Solved • Oct 15, 2018

The Particle Nature of Light

Q. A photon of ultraviolet (UV) light possesses enough energy to mutate a strand of human DNA. What is the energy of a single UV photon and 1 mole of ...

Solved • Oct 15, 2018

The Particle Nature of Light

Q. It takes 157 kJ/mol to break a nitrogen-oxygen single bond. Calculate the maximum wavelength of light (nm) for which a nitrogen-oxygen single bond ...

Solved • Sep 11, 2018

The Particle Nature of Light

Q. A certain shade of blue has a frequency of 7.01 x 1014 Hz. What is the energy (J) of exactly one photon of this light?

Solved • Sep 7, 2018

The Particle Nature of Light

Q. The power of a red laser (λ = 630 nm) is 2.50 watts (abbreviated W, where 1 W = 1 J/s). How many photons per second does the laser emit?

Solved • Aug 13, 2018

The Particle Nature of Light

Q. Be sure answer all parts.How many photons at 586 nm must be absorbed to melt 5.15 x 10 2 g of ice? (It takes 334 J to melt 1 g of ice at 0°C.) (Ent...

Solved • Aug 9, 2018

The Particle Nature of Light

Q. What is the wavelength λ of the photon that has been released with ΔE = -2.05 x 10-18 J? Express your answer with the appropriate units.

Solved • Jul 10, 2018

The Particle Nature of Light

Q. The biological effects of a given dose of electromagnetic energy generally become more serious as the energy of the radiation increases: Infrared r...

Solved • Jul 5, 2018

The Particle Nature of Light

Q. Suppose that the microwave radiation has a wavelength of 12.4 cm. How many photons are required to heat 215 mL of coffee from 25.0 degree C to 62.0...

Solved • May 12, 2018

The Particle Nature of Light

Q. A photon has a wavelength of 759 nm. Calculate the energy of the photon in joules. Enter your answer in scientific notation. 

Solved • May 3, 2018

The Particle Nature of Light

Q. How many photons are contained in a flash of green light (525 nm) that contains 189 kJ of energy?(a) 4.99 x 1023(b) 7.99 x 1030(c) 5.67 x 1023(d) 1...

Solved • Feb 19, 2018