alleryR / N_A =
AT
BV
CP
Dk_B (Boltzmann constant ≈ 1.38 × 10⁻²³ J/K)
Answer & Solution
Correct answer: D. k_B (Boltzmann constant ≈ 1.38 × 10⁻²³ J/K)
k_B = R/N_A ≈ 1.38 × 10⁻²³ J/K. Per-molecule analog of R. PV = NkT (N = total molecules).
Fundamental in stat mech.
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