This is defined as “the average mass of the molecule divided by 1/12 of the mass of an atom of the nucleide C12.” The older term molecular weight is still widely used by polymer technologists. Frequently, quoted molecular weights are dimensionless, but again can be quoted in kg mol−...
For practical purposes, an approximated figure of 9.81 or 9.807 metres per second squared (m s−2) is used for g. The force unit in SI is the newton (N) and by using consistent units becomes the force applied to unit mass (kg) to impart unit acceleration (m s−2) to the mass...
but by the quantity of each type of atom or ion. For example, water, H2O, and hydrogen peroxide, H2O2, are alike in that their respective molecules are composed of hydrogen and oxygen atoms. However, because a hydrogen peroxide molecule contains two oxygen atoms, as opposed to the...
Calculate the mass, in grams, of Avogadro's number of mercury atoms. Avogadro's Number: 6.022 × 10 23 g/mol Answer and Explanation:1 The number of mercury atoms is equal to Avogadro's Number: 6.022×1023 Since this value is exactly equal to Avogadro's... ...
The amu without the "unified" prefix is technically an obsolete unit based on oxygen, which was replaced in 1961. However, some sources still use the amu but now define it in the same way as u (based on carbon-12). In this sense, most uses of atomic mass units or amu today ...
{eq}4.24\;g {/eq} of {eq}C_{6}H_{6} {/eq}Mole Concept:The count of moles is calculated by taking the molecule's mass divided by the molar mass (MM) of the molecule. Its SI unit is mole which is represented as mol...
. Quarks combine intoprotonsandneutronsand, along with electrons, form atoms of the elements of theperiodic table, such ashydrogen,oxygen, andiron. Atoms may combine further into molecules such as the watermolecule,H2O. Large groups of atoms or molecules in turn form the bulk matter of every...
The mass of an electron is 0.000549 u. In kilograms, this mass is 9.1094 × 10−31. Since the neutral carbon atom has 6 electrons, the approximate mass of the nucleus is 1.992 648 × 10−26 −6 × (9.1094 × 10−31) = 1.992 101 × 10−26 kg. This calculation has not ...
Because nitrogen has a lower cosmic abundance compared to either carbon or oxygen, we believe that N(N2) should not be larger than N(CO) and should the true N2 b-value be much smaller than that for S I (although this is unlikely), significant amounts of N2 (that is, N(N2) . ...
Answer to: Olive oil is almost pure triolein (a molecule). The molar mass of triolein is 885 g/mol. How many olive oil molecules are in 500 g of...