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  2. Nickel(II) nitrate - Wikipedia

    en.wikipedia.org/wiki/Nickel(II)_nitrate

    Nickel nitrate is the inorganic compound Ni(NO 3) 2 or any hydrate thereof. In the hexahydrate, the nitrate anions are not bonded to nickel. Other hydrates have also been reported: Ni(NO 3) 2. 9H 2 O, Ni(NO 3) 2. 4H 2 O, and Ni(NO 3) 2. 2H 2 O. [3] It is prepared by the reaction of nickel oxide with nitric acid: NiO + 2 HNO 3 + 5 H 2 O → Ni ...

  3. Solubility table - Wikipedia

    en.wikipedia.org/wiki/Solubility_table

    Substance Formula 0 °C 10 °C 20 °C 30 °C 40 °C 50 °C 60 °C 70 °C 80 °C 90 °C 100 °C Barium acetate: Ba(C 2 H 3 O 2) 2: 58.8: 62: 72: 75: 78.5: 77: 75

  4. 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.

  5. HAZMAT Class 5 Oxidizing agents and organic peroxides

    en.wikipedia.org/wiki/HAZMAT_Class_5_Oxidizing...

    5.1: Liquid Any material which exhibits a mean pressure rise time less than or equal to the pressure rise time of a 1:1 nitric acid (65 percent)/cellulose mixture and the criteria for Packing Group I and II are not met. Group II 5.2: All All Division 5.2 materials do not have a packing group in Column 5 of the 49 CFR 172.101 Table.

  6. Hazardous Materials Identification System - Wikipedia

    en.wikipedia.org/wiki/Hazardous_Materials...

    An example of a HMIS III label for Diesel fuel.. The Hazardous Materials Identification System (HMIS) is a proprietary numerical hazard rating that incorporates the use of labels with color bars developed by the American Coatings Association as a compliance aid for the OSHA Hazard Communication (HazCom) Standard.

  7. 7 Rare Coins To Sell in 2025 To Boost Your Retirement Savings

    www.aol.com/finance/7-rare-coins-sell-2025...

    If you need to give your retirement savings a boost in 2025, ... blank pieces of metal used to make coins. Planchet errors mean they might have the wrong shape or thickness, or no engraving at all ...

  8. Nickel(II) nitrite - Wikipedia

    en.wikipedia.org/wiki/Nickel(II)_nitrite

    Nickel(II) nitrite is an inorganic compound with the chemical formula Ni(NO 2) 2. [1] Anhydrous nickel nitrite was first discovered in 1961 by Cyril Clifford Addison, who allowed gaseous nickel tetracarbonyl to react with dinitrogen tetroxide, yielding a green smoke. Nickel nitrite was the second transition element anhydrous nitrite discovered ...

  9. Projected COLA for 2025: September update — how it's ...

    www.aol.com/finance/social-security-cost-of...

    The projected 2025 COLA for Social Security is 2.5%, according to an emailed September 11 TSCL press release, resulting in another drop. That percentage is likely to change, but the concern is ...