Physics

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Determine the missing product X in the reaction: n + U X + 2( e) What will be an ideal ... Started by Capo	3 Replies 82 Views	Jul 27, 2018 by Liamb2179
Starting with 235U, assume the following sequence of decays occur: (1 ) alpha decay (2 ) beta ... Started by renzo156	1 Replies 75 Views	Jul 27, 2018 by abro1885
Complete the following nuclear decay equation: Na + ________ ... Started by audie	1 Replies 113 Views	Jul 27, 2018 by Jayson
Polonium-215 alpha decays with a half life of 1.8 ms. (a) How much is left after 1. second? (b) ... Started by JMatthes	1 Replies 94 Views	Jul 27, 2018 by kingdude89
If the half life for Radium-226 is 1600. years, how long is the quarter life? What will be an ... Started by daltonest1984	3 Replies 135 Views	Jul 27, 2018 by scrocafella
Suppose that in a certain collection of nuclei there were initially 1024 nuclei and 20 minutes later ... Started by AEWBW	1 Replies 126 Views	Jul 27, 2018 by yasmin
A radioactive substance containing 4.00 1016 unstable atoms has a half-life of 2.0 days. What is ... Started by piesebel	1 Replies 108 Views	Jul 27, 2018 by emily12345
What is the Q-value of the following reaction? 14N + 4He = 1p + 17O (14.003074 ) (4.002603 ) ... Started by ENagel	1 Replies 36 Views	Jul 27, 2018 by ricroger
In the fissioning of uranium, the typical amount of energy released per nucleon is A) 0.025 eV. ... Started by futuristic	3 Replies 83 Views	Jul 27, 2018 by Kaytorgator
Name the first three isotopes of hydrogen and their nuclide symbols, and indicate which is most ... Started by Diane	1 Replies 73 Views	Jul 27, 2018 by meltdown117
The symbol for a certain isotope of radium is Ra. How many nucleons are there in the nucleus of this ... Started by iveyjurea	1 Replies 85 Views	Jul 27, 2018 by izzat
In a Nb nucleus, the number of protons, neutrons, and electrons is A) 41, 52, 93. B) 41, 52, 52. ... Started by Brittanyd9008	1 Replies 127 Views	Jul 27, 2018 by cloud
How many protons are there in the carbon-14 nucleus? A) 8 B) 14 C) 6 D) 1 E) ... Started by Bob-Dole	3 Replies 48 Views	Jul 27, 2018 by cuttiesgirl16
Heavy-water molecules have a mass number of A) 18. B) 3. C) 12. D) 10. E) ... Started by roselinechinyere27m	1 Replies 78 Views	Jul 27, 2018 by briseldagonzales
If a nucleus had a diameter of 8.0 10-15 m, what would its mass be in atomic mass units? A) 7 ... Started by formula1	1 Replies 174 Views	Jul 27, 2018 by enass
From a knowledge of the size and mass of a nucleus, one can estimate the density of nuclear ... Started by Capo	1 Replies 101 Views	Jul 27, 2018 by zoeyesther
An atom has 98 protons and 249 nucleons. If it undergoes alpha decay, what are the number of protons ... Started by cagreen833	3 Replies 232 Views	Jul 27, 2018 by lindahyatt42
Which has the greater half-life? A) Oxygen-19 B) Cobalt-60 C) Uranium-238 D) Strontium-90 E) ... Started by oliviahorn72	1 Replies 133 Views	Jul 27, 2018 by Galvarado142
Plutonium has a half life of 2.4 104 years. How long does it take for 99 of the plutonium to decay? ... Started by Tazate	1 Replies 85 Views	Jul 27, 2018 by jjorrostieta
Which of the following elements would be expected to be most stable? A) Platinum-195 B) Iron-56 ... Started by darbym82	1 Replies 47 Views	Jul 27, 2018 by akpaschal
What is the binding energy of the 4He nucleus? A) 14.15 MeV B) 28.3 MeV C) 7.80 MeV D) 10.77 ... Started by urbanoutfitters	3 Replies 233 Views	Jul 27, 2018 by poopface
The neutral deuterium atom, H, has a mass of 2.014102 u; a neutral hydrogen atom has a mass of ... Started by Kikoku	1 Replies 236 Views	Jul 27, 2018 by aburgess
The farthest bright galaxies that modern telescopes are capable of seeing are up to A) 10 billion ... Started by Jkov05	1 Replies 89 Views	Jul 27, 2018 by sierramartinez
Light takes approximately one second to travel from the Earth to the Moon. This means that the Moon ... Started by Jkov05	1 Replies 179 Views	Jul 27, 2018 by smrtceo
Suppose we look at a photograph of many galaxies. Assuming that all galaxies formed at the same time ... Started by jilianpiloj	3 Replies 64 Views	Jul 27, 2018 by onowka