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Thermite (powder Al + Fe 2 O 3 as oxidizer) 4.00: 18.4: Hydrogen peroxide decomposition (as monopropellant) 2.7: 3.8: battery, Lithium-ion nanowire: 2.54: 95% [clarification needed] [13] battery, Lithium Thionyl Chloride (LiSOCl2) [14] 2.5: Water 220.64 bar, 373.8 °C [citation needed] [clarification needed] 1.968: 0.708: Kinetic energy ...
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This makes plutonium very sensitive to changes in temperature, pressure, or chemistry, and allows for dramatic volume changes following phase transitions. [5] Unlike most materials, plutonium increases in density when it melts, by 2.5%, but the liquid metal exhibits a linear decrease in density with temperature. [ 6 ]
Additionally, the formal +2 oxidation state of plutonium is known in the complex [K(2.2.2-cryptand)] [Pu II Cp″ 3], Cp″ = C 5 H 3 (SiMe 3) 2. [37] A +8 oxidation state is possible as well in the volatile tetroxide PuO 4. [38] Though it readily decomposes via a reduction mechanism similar to FeO 4, PuO 4 can be stabilized in alkaline ...
The pits of the first nuclear weapons were solid, with an urchin neutron initiator in their center. The Gadget and Fat Man used pits made of 6.2 kg of solid hot pressed plutonium-gallium alloy (at 400 °C and 200 MPa in steel dies – 750 °F and 29,000 psi) half-spheres of 9.2 cm (3.6 in) diameter, with a 2.5 cm (1 in) internal cavity for the initiator.
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Plutonium oxide is substantially more toxic than uranium oxide, making fuel manufacture more difficult and expensive. As plutonium isotopes absorb more neutrons than uranium fuels, reactor control systems may need modification. MOX fuel tends to run hotter because of lower thermal conductivity, which may be an issue in some reactor designs.
Download as PDF; Printable version; In other projects Wikimedia Commons; ... Plutonium compounds (2 C, 13 P) I. Isotopes of plutonium (41 P) Pages in category "Plutonium"