When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Prices of chemical elements - Wikipedia

    en.wikipedia.org/wiki/Prices_of_chemical_elements

    This is a list of prices of chemical elements. Listed here are mainly average market prices for bulk trade of commodities. ... (⁠ mg / kg ⁠) Price [7] Year Source ...

  3. Portal:Current events/April 2025/Calendar - Wikipedia

    en.wikipedia.org/.../April_2025/Calendar

    This page was last edited on 25 December 2024, at 16:01 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  4. Daylight saving time by country - Wikipedia

    en.wikipedia.org/wiki/Daylight_saving_time_by...

    The shift is the amount of time added at the DST start time and subtracted at the DST end time. For example, in Canada and the United States, when DST starts, the local time changes from 02:00 to 03:00, and when DST ends, the local time changes from 02:00 to 01:00. As the time change depends on the time zone, it does not occur simultaneously in ...

  5. Chlorobenzene - Wikipedia

    en.wikipedia.org/wiki/Chlorobenzene

    Chlorobenzene (abbreviated PhCl) is an aryl chloride and the simplest of the chlorobenzenes, consisting of a benzene ring substituted with one chlorine atom. Its chemical formula is C 6 H 5 Cl. This colorless, flammable liquid is a common solvent and a widely used intermediate in the manufacture of other chemicals.

  6. Chloralkali process - Wikipedia

    en.wikipedia.org/wiki/Chloralkali_process

    The process has a high energy consumption, for example around 2,500 kWh (9,000 MJ) of electricity per tonne of sodium hydroxide produced. Because the process yields equivalent amounts of chlorine and sodium hydroxide (two moles of sodium hydroxide per mole of chlorine), it is necessary to find a use for these products in the same proportion ...

  7. Chlorine production - Wikipedia

    en.wikipedia.org/wiki/Chlorine_production

    Energy consumption per unit weight of product is not far below that for iron and steel manufacture [13] and greater than for the production of glass [14] or cement. [15] Since electricity is an indispensable raw material for the production of chlorine, the energy consumption corresponding to the electrochemical reaction cannot be reduced ...

  8. Chlorine cycle - Wikipedia

    en.wikipedia.org/wiki/Chlorine_cycle

    The largest reservoir of chlorine resides in the lithosphere, where 2.2 × 10 22 kg of global chlorine is found in Earth's mantle. [2] Volcanic eruptions will sporadically release high levels of chlorine as HCl into the troposphere, but the majority of the terrestrial chlorine flux comes from seawater sources mixing with the mantle. [2]

  9. Indian national calendar - Wikipedia

    en.wikipedia.org/wiki/Indian_national_calendar

    The Gazette of India is dated in both the Gregorian calendar and the Indian national calendar. The Indian national calendar, also called the Shaka calendar or Śaka calendar, is a solar calendar that is used alongside the Gregorian calendar by The Gazette of India, in news broadcasts by All India Radio, and in calendars and official communications issued by the Government of India. [1]