Tīmeklis2024. gada 13. jūn. · Traditionally, however, this constant is given a different name; it is Boltzmann’s constant, usually given the symbol k. (2.7.1) k = R / N ¯ = 1.381 × 10 − 23 J K − 1 m o l e c u l e − 1. This means that we can also write the ideal gas equation as P V = n R T = n N ¯ k T. Because the number of molecules in the sample, N, is N = n N ... Tīmeklis4. Prove algebraically: if 1 k n then n k n k k. Work backwards to gure out this one: n k n k k, n! k!(n k)! nk kk, k k k! n n(n 1) (n k + 1), kY 1 i=0 k k i kY 1 i=0 k k i The last statement is true if k k i n n i for 1 i k 1, which is is because n k. Therefore the original statement is true. 1

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