Q0. Some useful fundamental constants and conversion factors
(a) NA = 6\cdot022 × 1023 \text mol-1
(b) Rydberg constant = 2\cdot178 × 10-18 \text J
(c) c = 2\cdot998 × 108 \text ms-1
(d) kB = 1\cdot38 × 10-23 \text JK-1
(e) e = 1\cdot602 × 10-19 \text C
(f) me = 9\cdot109 × 10-31 \text kg
(g) F = 96485 \text C mol-1
(h) R = 8\cdot314 \text JK-1 \text mol-1
(i) h = 6\cdot626 × 10-34 \text Js
(j) pi = 3\cdot142
(k) 1 \text amu = 1\cdot66 × 10-27 \text kg
(l) 1 \text cal = 4\cdot184 \text J
(m) 1 \text J = 1 \text kg m2 \text s-2
(n) 1 \text Å = 10-8 \text cm = 10-10 \text m = 0\cdot1 \text nm = 100 \text pm
(o) 1 \text atm = 760 \text torr = 1\cdot01325 × 105 \text Pa
(p) 1 \text bar = 1 × 105 \text Pa = 0\cdot9869 \text atm
(q) 1 \text eV = 1\cdot602 × 10-19 \text J
(r) 1 \text L atm = 101\cdot34 \text J
(s) 1 \text eV = 23060 \text cal
