In the series of hydrogen;a) What value of n is associated with the 550-nm spectral line?b) Could this wavelength be associated with the Paschen series or the Balmer16series?c) Find the shortest wavelength of the radiation emitted with the Lyman series? e =1.6x10" Cc = 3.00 x10 m/s h 6.626x10-34 J.s RH=1.0973732 x107 mE0 =8.85x1012 C²N'.m?= 9 x 10° N.m2/C1 Ci = 3.7x1010 decays/s NA= 6.02 x1023 atoms/ molmp=1.67x1027 kg m-9.1×1031 kg

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Answered: In the series of hydrogen; a) What…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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20 mci 10 mci QUESTION 4 Calculate the mass defect for Deuterium (Hydrogen-2). Mass of Hydrogen-1 is 1.0078 amu Mass of Hydrogen-2 is 2.0141 amu Mass of neutron is 1.0087 amu Mass of electron is 0.0006 amu 4.0306 amu 0.0024 amu 0.0009 amu 2.0165 amu 0.0018 amu QUESTION 5 In the nuclear reaction, Click Save and Submit to sare and submit. Click Save All Answers to
c) The equation below describes the disintegration of a polonium nucleus into a lead nucleus and an alpha-particle. During the reaction energy Q is released. 210Po → He +²02Pb+Q 84 82 Calculate the loss of energy during the reaction. The masses in the atomic mass unit u are as follows: 210 206 Po= 209.98287 u, Pb = 205.97446 u and He = 4.002604 u. 84 82 You may assume that 1u is equivalent to 931 MeV. d) The lead nucleus recoils in the opposite direction to the emitted alpha particle conserving momentum. Hence calculate: i) The ratio of the recoil nucleus and alpha particle velocities ii) The kinetic energy distribution of these products.
Part A Some atomic masses Particle Symbol Mass (u) Electron e 0.00055 Part B Proton 1.00728 Neutron 1.00866 Part C Hydrogen 1.00783 Helium 4He 4.00260 Part D Part E Part F Calculate the binding energy per nucleon of the helium nucleus He. Express your answer in megaelectron volts to two significant figures. ? MeV
The isotope of Curium 242Cm has a half-life of 160 days and emits alpha particles with an energy 6.1 MeV. What is the initial power emitted by a sample of 242 Cm with a starting number of No = 10¹8 atoms? Select one: a. 49 mW. O b. 15.6 W. O c. O d. 308 kW. 2.7 W.
12
An archeologist discovers the bones of a person believed to have been dead for 600 years. Using carbon dating, they wish to confirm the time of the person's demise. The rate of change of 146C is 0.270 Bq/g of carbon for the bones of a person who had just died. If the archeologist is correct about the person's time of death, what rate of 146C change of should they find when they carbon date the bones? The half life of 146C is 5.73 x 103 y. A. 0.245 Bq/g B. 0.267 Bq/g C. 0.251 Bq/g D. 0.238 Bq/g E. 0.259 Bq/g
The isotope of Curium 242Cm has a half-life of 160 days and emits alpha particles with an energy 6.1MeV. What is the initial power emitted by a sample of 242Cm with a starting number of N0 = 1018 atoms? Select one: a. 2.7 W. b. 49 mW. c. 308 kW. d. 15.6 W.
An unknown element X has the following isotopes: ⁶⁴X (49.00% abundant), ⁶⁶X (28.00% abundant), ⁶⁸X (23.00% abundant). What is the average atomic mass in amu of X?
If a tree dies and the trunk remains undisturbed for 1.500 × 10⁴ years, what percentage of the original ¹⁴C is still present? (The half-life of ¹⁴C is 5730 years.) ____%
Disintegration. NUCLEAR PHYSICS. Explain what it's being used. It has been found that a sample of uranium oxide (U308), freshly prepared from an ore of uranium, emits 20.5 a particles per mg per second. If we have A238 = 4.8 × 10¬185-1, is it possible to have a 1mg sample?
234 has an time constant 3.13 x105 years. How long will it take to reduce a sample of 6,542 234U atoms to 3,646 atoms? Express your answer in 105 years. 000 000 F4 F5 MacBook Air F6 an F7 DII F8
Problem A You have a 5.7 mol pure sample of an unknown material. After 2 h, you discover that 44% has decayed. Determine the half-life, decay constant, mean life, & initial decay rate. Also determine what the decay rate is at 2 h. T1/2= λ = T= Ro= R= h-1 decays/h decays/h

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