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  2. Energy density Extended Reference Table - Wikipedia

    en.wikipedia.org/wiki/Energy_density_Extended...

    Energy densities table Storage type Specific energy (MJ/kg) Energy density (MJ/L) Peak recovery efficiency % Practical recovery efficiency % Arbitrary Antimatter: 89,875,517,874: depends on density: Deuterium–tritium fusion: 576,000,000 [1] Uranium-235 fissile isotope: 144,000,000 [1] 1,500,000,000

  3. Densities of the elements (data page) - Wikipedia

    en.wikipedia.org/wiki/Densities_of_the_elements...

    — "Values ranging from 21.3 to 21.5 gm/cm 3 at 20 °C have been reported for the density of annealed platinum; the best value being about 21.45 gm/cm 3 at 20 °C." 21.46 g/cm 3 — Rose, T. Kirke. The Precious Metals, Comprising Gold, Silver and Platinum .

  4. Energy density - Wikipedia

    en.wikipedia.org/wiki/Energy_density

    In terms of density, m = ρV, where ρ is the volumetric mass density, V is the volume occupied by the mass. This energy can be released by the processes of nuclear fission (~ 0.1%), nuclear fusion (~ 1%), or the annihilation of some or all of the matter in the volume V by matter– antimatter collisions (100%).

  5. Noble gas (data page) - Wikipedia

    en.wikipedia.org/wiki/Noble_gas_(data_page)

    Density, gas at 0 °C and 1 atm ... Thermal conductivity, gas at 0 °C and 1 atm (mW m −1 K −1) [1] 141.84: 46.07: 16.94: 8.74: 5.06: 3.6 [13] Molar refraction (D ...

  6. Relative density - Wikipedia

    en.wikipedia.org/wiki/Relative_density

    Relative density with respect to air can be obtained by =, where is the molar mass and the approximately equal sign is used because equality pertains only if 1 mol of the gas and 1 mol of air occupy the same volume at a given temperature and pressure, i.e., they are both ideal gases. Ideal behaviour is usually only seen at very low pressure.

  7. Ethanol (data page) - Wikipedia

    en.wikipedia.org/wiki/Ethanol_(data_page)

    9 Charts. 10 References. Toggle the table of contents. ... Gas properties ... Density at 20 °C relative to 20 °C water

  8. Propane (data page) - Wikipedia

    en.wikipedia.org/wiki/Propane_(data_page)

    3 Density of liquid and gas. 4 Vapor pressure of liquid. 5 Spectral data. 6 Material Safety Data Sheet. 7 References. 8 External links. ... Gas properties Std ...

  9. List of gases - Wikipedia

    en.wikipedia.org/wiki/List_of_gases

    This list is sorted by boiling point of gases in ascending order, but can be sorted on different values. "sub" and "triple" refer to the sublimation point and the triple point, which are given in the case of a substance that sublimes at 1 atm; "dec" refers to decomposition. "~" means approximately.