Typical frequencies for several types of electromagnetic radiation are given below. Calculate the energy of each type of radiation. (a) a gamma ray: v = 1.66x1020 s-1 (b) a microwave: v = 4.79x1010 s-1 (c) an AM radio wave: v = 1.94x106 s-1 J
Q: Based on the absorption spectra below, what would be the color of the pigment?
A: The colour that is absorbed is not reflected in fact its complementary colour is reflected.
Q: A principal shell with a value of n=3 would contain s,p,d, and f orbitals true or false
A: A principal shell is indicated by the principal quantum number.
Q: Radiation is the emission and propagation of high speed electrons in an x-ray tube in the form of…
A: Introduction X-rays are a type of radiation called electromagnetic waves. X-ray imaging creates…
Q: What are the similarities between magnetron and klystron
A: Magnetron It is a high-powered vacuum tube. It is a self-excited microwave oscillator. Klystron It…
Q: Which of the following wavelengths in the electromagnetic spectrum has the most energy? a.…
A: Wavelength is considered as the distance between two consecutive crests and troughs.
Q: How many half-lives would have to elapse for a sample of a radioactive isotope to decrease from an…
A: Half-life is the interval of time required for one-half of the atomic nuclei of a radioactive sample…
Q: 21H + 32He → 42He + X
A: The given element X is Proton.
Q: What does it mean to say that a substance is radioactive?
A: A substance composed two or more elements bonded together via chemical bonds is known as a compound.…
Q: A 10.00 mg sample of technetium-93 (92.91024898 u) is used to heat 125.4 g o
A:
Q: If there is 10 μmol of the radioactive isotope 32P (half-life 14 days) at t = 0, how much 32P will…
A: In the process of radioactive decay, a radioactive unstable nucleus loses its energy by radiation.…
Q: Describe the process of calculating the Lattice Energies?
A: Lattice energies is defined as the energy required to separate a mole of an ionic solid into gaseous…
Q: Which of the following is not true about electromagnetic radiation? O frequency is directly…
A: In electromagnetic radiations Energy of waves is directly proportional to its frequency and…
Q: For Be-10, find the: a.) mase defect (in grams) b.) binding energy in kilojoules per mole. mass…
A: The difference between the assumed mass of the nucleus of the atom and the actual mass of the atom's…
Q: What element does not react with other elements? Group of answer choices A. hydrogen B. helium C.…
A: Noble gases These are group 18 elements of the periodic table. They are usually chemically inert.…
Q: What are the main sources of background radiation?
A: Natural background (NBR) radiation is considered as the amount of ionizing radiation present in the…
Q: THE RAYS WITH A WAVELENGTH OF 760-1500 nm ARE 1. visible part of the solar spectrum 2. short-wave…
A: The entire distribution of electromagnetic radiation according to frequency or wavelength is called…
Q: What is the visible spectrum?
A: Sun is the ultimate source of energy. The electromagnetic radiations given by the sun include…
Q: The atomic emission spectrum for a particular element includes blue-violet light with wavelength…
A: The emission spectrum of a chemical element is the spectrum of frequencies of electromagnetic…
Q: Which of the following components of Km is largest in magnitude? k2 O k-1 O k1 O k-2
A: Enzyme Kinetics studies enable us to understand the rate of formation of products and also reaction…
Q: What happens when ionizing radiation strikes an atom in a chemical compound?
A: Ionising radiation is radiation, travelling as a particle or electromagnetic wave, that carries…
Q: What is the difference between an a particle and a helium atom?
A: Alpha particles - Alpha particles consist of two protons and to neutrons bound together into a…
Q: Which of the following forms of electromagnetic radiation has the highest energy? Radio waves…
A: The energy states of electromagnetic radiation is directly proportional to the wavelength of the…
Q: Write balanced nuclear equations for the following:(a) β⁻ decay of sodium-26(b) β⁻ decay of…
A: Radioactive decay is the process by which an unstable atomic nucleus loses energy by radiation.…
Q: Molecules that absorb electromagnetic energy have structural components called _____________.
A: Electromagnetic radiation or energy refers to the waves of the electromagnetic field propagating…
Q: Enter the correct color for the visible light for each wavelength. 380-450 450-495 495-570…
A: Visible spectrum is that part of electromagnetic spectrum which is visible to human eye.
Q: Assume that you list the following types of electromagnetic radiation in order of increasing…
A: Radiation refers to the energy that travels and spreads as it moves. The waves of the…
Q: What two entities comprise the visible spectrum?
A: Introduction The Electromagnetic Spectrum Refers To The Frequency Range Over Which Electromagnetic…
Q: Approximately what amount (in Sv) of short-term exposure to radiation produces noticeable effects in…
A: Uptake of a high level of radiation over a short time may cause symptoms related to radiation…
Q: How many collisions does single Ar atom make in 1.0 s when the temperature is 25 degrees Celsius and…
A:
Q: Discuss the operation of a magnetron vs klystron
A: The klystron is used in TV transmitters, RADARs and particle accelerators. It is also used as a high…
Q: 95.859 The mass of the object is 95.85 grams The weight of the object is 95.85 grams The mass of the…
A: There are several measurement instrument that are used in the laboratory to measure different types…
Q: Direction: Match the following isotopes by tracing a line in column A to its uses in column B. Iron…
A: Isotopes are atoms of the same element that contain an identical number of protons, but a different…
Q: What is the dose in mSv for 2.5 mGy of neutron exposure to the eye?
A: Consider 0.1 Gy x-ray Find the dose in my by using the relationSv = Gyx RBE
Q: Write the nuclear equation for the beta decay of Bi-214.
A: The bismuth-214 atom has an atomic number of 83 and an atomic mass of 214. Most of the known bismuth…
Q: If the diameter of the low power field is 1.5 mm, an object that occupies approximately a 1/3 of…
A: At low magnification the working distance is relatively long. As the magnification increases the…
Q: a 139 ng sample of radioactive material has a half life of 4.2 days how many ng of radioactive…
A: GIVEN: The initial mass of radioactive material = 139 ng Half-life =4.2 days Number of half lives= 3…
Q: Write the nuclear equation for the alpha decay of Po-214.
A: The radioactive decay process is defined as the loss of energy by an unstable nucleus via emitting…
Q: Write the nuclear equation for the positron decay of C-11.
A: C-11 is a radioisotope of carbon. C-11 is an unstable atom that disintegrates by emitting radiation.…
Q: The radioactive isotope Yttrium-90 (Y-90, Z=39), a beta emitter, is used in cancer treatment and as…
A: Radioactive isotopes are used in several types of therapies such as cancer and arthritis etc.…
Q: Define the terms below i. Radioisotope ii. Decay series iii. Radioactive decay energy and its units…
A: 1. Radioisotope: It is an unstable form of a chemical element that releases radiation as it breaks…
Q: What is the energy of the X-ray photon emitted by a tungsten atom in the transition from an L- shell…
A: The K, L and M shell electron binding energies of Tungsten are as follows K shell binding energy =…
Q: 1. Explain the X-ray spectrum given in the figure below. Kaz liigu 80 90 Relative output 0 10 20 30…
A: Introduction An X-ray, also known as X-radiation, is a type of high-energy electromagnetic radiation…
Q: How many spectral lines do you expect to see in a IR spectrum for NO2 and CO2? Considering…
A: IR spectroscopy is a type of spectroscopy that detects the light absorption by a compound. This…
Q: If a model of a hydrogen atom had a diameter of 45 cm, what would have to be the diameter of the…
A: Introduction - Hydrogen atom or its model is made up of a centrally placed nucleus or in this case…
Q: 0.50 0.25 m 0.2 0.50 mt A. 1. If you are going to compare the graph with the Electromagnetic…
A: In the electromagnetic spectrum, the wavelength increases from gamma to radio waves. The longer…
Q: Predict the relative intensity and wavelength maxima for the given molecules and stated conditions.
A: Intrinsic fluorescence is observed due to three aromatic amino acid residues - phenylalanine,…
Trending now
This is a popular solution!
Step by step
Solved in 3 steps
- Assume that you list the following types of electromagnetic radiation in order of increasing wavelength: () the gamma rays produced by a radioactive nuclide used in medical imaging: (ii) radiation from an FM radio station at 93.1 MHz on the dial; (iii) a radio signal from an AM radio station at 680 kHz on the dial; (iv) the yellow light from sodium vapor streetlights; (v) the red light of a light-emitting diode. Which one would be the second? Lütfen birini seçin: O a 680 kHz AM radio waves O b. the red light O c the yellow light O d. 93.1 MHz FM radio waves O e the gamma raysFind the approximate radiation dose (in mSv) for 0.1 Gy exposure to thermal neutrons. (Hint: relative biological effectiveness for various types of radiation can be found in Table 32.2 in the text.) A range of answers is acceptable.For Be-10, find the: a.) mase defect (in grams) b.) binding energy in kilojoules per mole. mass proton= 1.00728 amu; mass neutron= 1.00867 amu; mass Be-10 = 10.013534679 amu
- Below is a Beer's Law Plot for the concentration of a specific colored compound x. A solution of compound X is measured with the spectrophotometer to have an optical density of 0.60. a) What is the concentration of compound X in this solution. Answers must contain proper units for full credit. b) The absorbance of this compound was measured at 540 nm. Why was this absorbance chosen? 0.9 0.8 0.7 0.6 805 4 0.4 0.3 0.2 Absorbance at 540 mIf a hospital were storing radioisotopes, what is the minimum containment needed to protect against:(a) cobalt-60 (a strong γ emitter used for irradiation)(b) molybdenum-99 (a beta emitter used to produce technetium-99 for imaging)Write the nuclear equation for the positron decay of C-11.
- A drug has a measured diffusivity of 5*10^-6 cm^2/s^-1 at 37 degree Celsius. What is this drug’s Stokes-Einstein radius in nm?The atomic emission spectrum for a particular element includes blue-violet light with wavelength 440. nm. Calculate the energy in joules of this light given that E = h c/A, and h = 6.63 x 10-34Js, and c = 3.00 x 10°m/s. (h andc are constants, A is wavelength, convert nm into m) h c E =Solution A is 20 degrees celsius, Solution B is 80 degrees celsius (both are the same kind of solution). The goal is to make a 50 degree celsius solution; How much of solution A do you need (starting with 100g of solution B)? (cp=4.184 J/g C)
- What is the HVL of tissue for 1.25 MeV gamma-rays. How many half-layers of tissue are in the human forearm (assume an average thickness of 10 cm of tissue). What is the reduction in intensity as a 1.25 MeV gamma-ray passes through 10 cm of tissue? Assume the density of tissue is 1 g/cm2.The magnesium electron spectrum has a line at 266.8 nm. Does it have a greater speed in a vacuum (an area without an atom or particle) than does red light with a wavelength of 652 nm? Why or why not?The following reaction plays a key role in the destruction of ozone in the atmosphere: Cl(g)+ O3 (g)-> ClO(g)+O2 (g) Given the standard molar entropies (S°) below, calculate the ΔS for this reaction. S°C1O = 218.9 J/mol*K S°O3 = 238.8 J/mol*K S°Cl = 165.2 J/mol*K S°O2= 205.0 J/mol*K _______ J/K = ΔS