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Magnesocene is a white solid at room temperature. [1] It has a melting point of 176 °C, though at atmospheric pressures it sublimes at 100 °C. [1] Unlike ferrocene, magnesocene displays slight dissociation and subsequent ion association in polar, electron-donating solvents (such as ether and THF).
Table of specific heat capacities at 25 °C (298 K) unless otherwise noted. [citation needed] Notable minima and maxima are shown in maroon. Substance Phase Isobaric mass heat capacity c P J⋅g −1 ⋅K −1 Molar heat capacity, C P,m and C V,m J⋅mol −1 ⋅K −1 Isobaric volumetric heat capacity C P,v J⋅cm −3 ⋅K −1 Isochoric ...
Magnesium cyanide is a chemical compound with the formula Mg(CN) 2. It is a toxic white solid. Unlike calcium isocyanide, the cyanide ligands prefer to coordinate at carbon, with a 0.3‑kcal/mol isomerization barrier. [1] When this salt is heated to 500 °C, it decomposes to magnesium nitride. [2]
The highest superconducting transition temperature T c is 39 K. MgB 2 is a type-II superconductor, i.e. increasing magnetic field gradually penetrates into it. Maximum critical current (J c) is: 10 5 A/m 2 at 20 T, 10 6 A/m 2 at 18 T, 10 7 A/m 2 at 15 T, 10 8 A/m 2 at 10 T, 10 9 A/m 2 at 5 T. [9]
2 CH 3 MgX + 2 dioxane ⇌ (CH 3) 2 Mg + MgX 2 (μ-dioxane) 2 ↓. In such procedures, the dimethylmagnesium exists as the ether adduct, not the polymer. [4] Addition of 1,4-dioxane causes precipitation of solid MgX 2 (μ-dioxane) 2, a coordination polymer. [4] This precipitation drives the Schlenk equilibrium toward (CH 3) 2 Mg. Related ...
7 P.M. or variants may refer to: A time on the 12-hour clock; The 7PM Project, previous name of the Australian TV program The Project "7:PM", a 2005 song by Yann ...