物理定数とエネルギーなどの単位変換

Physical constants

• Boltzmann constant, $k$, 1.380649e-23 (exactly defined as of SI9th. )

• Avogadro constant, $N_\text{A}$, 6.02214076e23 (exactly defined as of SI9th. )

• 1 cal = 4.184 J (exactly defined as thermochemical calorie, from the "green book")

Boltzman constant in some units

• 8.31446261815e-3 kJ/(mol K)
• 1.98720425864e-3 kcal/(mol K)

Energy of room temperature

• 300 K ~ 0.5962 kcal/mol ~ 0.6 kcal/mol
• 300 K ~ 2.494 kJ/mol ~ 2.5 kJ/mol

Force conversion

• 1 kJ/(mol nm) ~ 1.661e-12 N = 1.661 pN

出典など

• 国際単位系(SI)第9版の日本語版)
• 国際単位系(SI)についての紹介
• "the green book" http://old.iupac.org/publications/books/gbook/green_book_2ed.pdf