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Why is uranium-235 able to undergo a chain reaction while many other nuclei cannot? a.The energy produced is enough to heat the remaining uranium-235 to the point of fission, initiating and maintaining a chain reaction. b.Repetitive positron emission from uranium-235 combines with electrons of nearby uranium-235 atoms to induce a chain reaction. c.The krypton and barium atoms generated are themselves prone to undergoing fission. d.Uranium-235 fission generates three neutrons from one atom, and each neutron can start fission in another uranium-235 atom.
write a brief essay describe the benefits of using fusion reactions for nuclear energy instead of fission. also discuss
The density of pure silver is 10.5 g/cm^3 at 20°C. If 4.63 g of pure silver pellets is added to a graduated cylinder containing 12.1 mL of water, to what volume level will the water in the cylinder rise.
The pressure in an engine cylinder increases from 7.6 atm to 13 atm as the gas is compressed from 0.50 L to 0.10 L. What is the expected cylinder temperature if the gas was initially 15°C?
Selective oxidation of hydrocarbons is a known method to produce alcohols. However, the alcohols react with the oxygen to produce aldehydes, and the latter react with oxygen to produce organic acids.
When heated, lithium reacts with nitrogen to form lithium nitride: 6Li(s) +N2(g) → 2Li3N(s)
A 5.325g sample of methyl benzoate, a compound found in perfumes, was found to contain 3.758g of carbon, 0.316g of hydrogen, and 1.1251g of oxygen.
The standard Gibbs-free energy of a system is related to its equilibrium constant through the following equation.
Write equation for the reaction : Mg+H2SO4(diluted) Identify the oxidizing agent and the reducing agent.
Yield of Reaction, Propene reacts with hydrobromic acid to yield 2-bromopropane via Markovnikov addition about the double bond of the alkene.
What mass percent of ethylene glycol in water must be used to reduce the freezing point of the mixture to -5.0degrees c?
how many grams of sodium chloride would be made if 507 g fecl2 were used up in the reaction fecl2 2naoh feoh2s 2nacl
Explain which of the following aqueous solutions has the strongest ion-dipole attractions: 0.3 M Na3PO4, 0.1 M NiF2, 0.2 M Rb2CO3, 0.01 M Sr(OH)2, , 0.03 M ScBr3.
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