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The gram (10 −3 kg) is an SI derived unit of mass. However, the names of all SI mass units are based on gram , rather than on kilogram ; thus 10 3 kg is a megagram (10 6 g), not a * kilokilogram .
A mnemonic is a memory aid used to improve long-term memory and make the process of consolidation easier. Many chemistry aspects, rules, names of compounds, sequences of elements, their reactivity, etc., can be easily and efficiently memorized with the help of mnemonics.
The term molality is formed in analogy to molarity which is the molar concentration of a solution. The earliest known use of the intensive property molality and of its adjectival unit, the now-deprecated molal, appears to have been published by G. N. Lewis and M. Randall in the 1923 publication of Thermodynamics and the Free Energies of Chemical Substances. [3]
In physics, energy density is the quotient between the amount of energy stored in a given system or contained in a given region of space and the volume of the system or region considered.
In 2005, the price for new oil tankers in the 32,000–45,000 DWT, 80,000–105,000 DWT, and 250,000–280,000 DWT ranges were $43 million, $58 million, and $120 million respectively. [77] In 1985 these vessels would have cost $18 million, $22 million, and $47 million respectively.
Iodine number is defined as the milligrams of iodine adsorbed by one gram of carbon when the iodine concentration in the residual filtrate is at a concentration of 0.02 normal (i.e. 0.02N). Basically, iodine number is a measure of the iodine adsorbed in the pores and, as such, is an indication of the pore volume available in the activated ...
4.5–7 g: Luge, maximum expected at the Whistler Sliding Centre 5.2 g: Formula One car, maximum under heavy braking [28] 6.3 g: Tower Of Terror, highest g-force steel rollercoaster 6.3 g: Formula One car, peak lateral in turns [29] 6–6.5 g: Standard, full aerobatics certified glider +7/−5 g: Apollo 16 on reentry [30] 7.19 g
Tritium (from Ancient Greek τρίτος (trítos) 'third') or hydrogen-3 (symbol T or 3 H) is a rare and radioactive isotope of hydrogen with a half-life of ~12.3 years. The tritium nucleus (t, sometimes called a triton) contains one proton and two neutrons, whereas the nucleus of the common isotope hydrogen-1 (protium) contains one proton and no neutrons, and that of non-radioactive hydrogen ...