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In 1959–1961 Great Britain Atomic Energy Authority produced 125 g of 99.9% pure protactinium at a cost of $ 500 000, giving the cost of 4 000 000 USD per kg. Periodic Table of Elements at Los Alamos National Laboratory website at one point listed protactinium-231 as available from Oak Ridge National Laboratory at a price of 280 000 USD/kg.
Current cost (2020–2022) Projected 2030 cost: Projected 2050 cost: Gray hydrogen (not including a carbon tax) International Energy Agency: 2022 costs estimated for June, when gas prices peaked in the wake of Russia's invasion of Ukraine 2021: 1.0–2.5 – – 2022: 4.8–7.8 PWC: 2021: 1.2–2.4 Blue hydrogen: International Energy Agency
Liquid hydrogen ( H2(l)) is the liquid state of the element hydrogen. Hydrogen is found naturally in the molecular H 2 form. [4] To exist as a liquid, H 2 must be cooled below its critical point of 33 K. However, for it to be in a fully liquid state at atmospheric pressure, H 2 needs to be cooled to 20.28 K (−252.87 °C; −423.17 °F). [5]
US market Coke Zero bottles, showing 2 L (70.4 imp fl oz; 67.6 US fl oz) with US Customary conversion. The two-liter bottle is a common container for soft drinks, beer, and wine. These bottles are produced from polyethylene terephthalate, also known as PET plastic, or glass using the blow molding process. Bottle labels consist of a printed ...
His recommended starting ratio is 75 grams of coffee per liter. A 12-ounce cup of French press ... Their upmarket offerings from the Vertuo line start at 98 cents and can cost up to $2 per cup. ...
2 O, and HDO in which the proportion of deuterium is greater than usual. For instance, the heavy water used in CANDU reactors is a highly enriched water mixture that is mostly deuterium oxide D 2 O, but also some hydrogen-deuterium oxide and a smaller amount of ordinary water H 2 O. It is 99.75% enriched by hydrogen atom-fraction; that is, 99. ...
The US Institute of Medicine recommends that, on average, men consume 3 liters (0.66 imp gal; 0.79 U.S. gal) and women 2.2 liters (0.48 imp gal; 0.58 U.S. gal); pregnant women should increase intake to 2.4 liters (0.53 imp gal; 0.63 U.S. gal) and breastfeeding women should get 3 liters (12 cups), since an especially large amount of fluid is ...
The quart (symbol: qt) [1] is a unit of volume equal to a quarter of a gallon. Three kinds of quarts are currently used: the liquid quart and dry quart of the US customary system and the imperial quart of the British imperial system. All are roughly equal to one liter. It is divided into two pints or (in the US) four cups.