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* All standard enthalpy values are at 25°C, 1 molar concentration, and 1 atmosphere of pressure.
Molarity is the most common way to express concentration in chemistry. Molarity is the number of moles of solute per liter of solution and is given as a number followed by a capital M.
Standand Enthalpies of Formation & Standard Entropies of Common Compounds Substance State ∆H f S (kJmol) (Jmol·K) Ag s 0 42.6 Ag+ aq 105.79 72.7 AgCl s −127.01 96.2
Standard enthalpy change of formation (data table) These tables include heat of formation data gathered from a variety of sources, including the primary and secondary literature, as well as the NIST Chemistry WebBook.
All standard state, 25 °C and 1 bar (written to 1 decimal place). P.J. Linstrom and W.G. Mallard, Eds, NIST Chemistry WebBook, NIST Standard Reference Database Number 69, National Institute of Standards and Technology, Gaithersburg MD, 20899,
10 Δεκ 2019 · molar gas constant 8.314 5 J mol−1 K−1 electron volt 1.602 177 x 10-19 J (exact) 0.510 998 950 MeV 13.605 693 eV R R c R R hc mec 2 mp 1.602 176 634 x 10−19 C 1.672 622 x 10−27 (exact)kg 3.289 841 960 x 1015 Hz eV k P E R I O D I C T A B L E Atomic Properties of the Elements FREQUENTLY USED FUNDAMENTAL PHYSICAL CONSTANTS§
ACS Periodic Table of Elements (PDF) Created Date: 11/26/2019 4:00:20 PM ...