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  2. Ethane - Wikipedia

    en.wikipedia.org/wiki/Ethane

    Ethane is only very sparingly soluble in water. The bond parameters of ethane have been measured to high precision by microwave spectroscopy and electron diffraction: r C−C = 1.528(3) Å, r C−H = 1.088(5) Å, and ∠CCH = 111.6(5)° by microwave and r C−C = 1.524(3) Å, r C−H = 1.089(5) Å, and ∠CCH = 111.9(5)° by electron ...

  3. Solubility chart - Wikipedia

    en.wikipedia.org/wiki/Solubility_chart

    The following chart shows the solubility of various ionic compounds in water at 1 atm pressure and room temperature (approx. 25 °C, 298.15 K). "Soluble" means the ionic compound doesn't precipitate, while "slightly soluble" and "insoluble" mean that a solid will precipitate; "slightly soluble" compounds like calcium sulfate may require heat to precipitate.

  4. Biofertilizer - Wikipedia

    en.wikipedia.org/wiki/Biofertilizer

    Anabaena, in association with the water fern Azolla, can contribute nitrogen up to 60 kg/ha/season and can also enrich soils with organic matter. [ 3 ] [ 4 ] Seaweeds are rich in various types of mineral elements (potassium, phosphorus, trace elements, etc.), hence they are extensively used as a form of manure replacement by people of coastal ...

  5. Ethane (data page) - Wikipedia

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

    Phase behavior Triple point: 91 K (−182 °C), 1.1 Pa Critical point: 305.3 K (32.2 °C), 4.9 MPa Std enthalpy change of fusion, Δ fus H o: 9.76 kJ/mol at −182 °C

  6. Hildebrand solubility parameter - Wikipedia

    en.wikipedia.org/.../Hildebrand_solubility_parameter

    (However, PE only dissolves at temperatures well above 100 °C.) Poly(styrene) has a solubility parameter of 9.1 cal 1/2 cm −3/2, and thus ethyl acetate is likely to be a good solvent. Nylon 6,6 has a solubility parameter of 13.7 cal 1/2 cm −3/2, and ethanol is likely to be the best solvent of those tabulated. However, the latter is polar ...

  7. Soil fertility - Wikipedia

    en.wikipedia.org/wiki/Soil_fertility

    Nitrogen and potassium are also needed in substantial amounts. For this reason these three elements are always identified on a commercial fertilizer analysis. For example, a 10-10-15 fertilizer has 10 percent nitrogen, 10 percent available phosphorus (P 2 O 5) and 15 percent water-soluble potassium (K 2 O). Sulfur is the fourth element that may ...

  8. Add 1 tablespoon of salt to the boiling water followed by the pasta. Cook according to the package instructions; the pasta should be al dente. Drain, reserving 1/4 cup of the pasta cooking water ...

  9. Hansen solubility parameter - Wikipedia

    en.wikipedia.org/wiki/Hansen_solubility_parameter

    Hansen solubility parameters were developed by Charles M. Hansen in his Ph.D thesis in 1967 [1] [2] as a way of predicting if one material will dissolve in another and form a solution. [3] They are based on the idea that like dissolves like where one molecule is defined as being 'like' another if it bonds to itself in a similar way.

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