Page 114 - Chemistry - XI

Appendix - IV
Appendix - IV

Some Useful Tables

TABLE 1: FUNDAMENTAL PHYSICAL CONSTANT

Physical constant Symbol Value

Acceleration due to gravity g 9.81 ms –2
Atomic mass unit amu 1.66053 × 10 Kg
–27
Avogadro constant N 6.02217 × 10 mol –1
23
A
Boltzmann constant k 1.38062 × 10 JK –1
–23
Electric charge e 1.602192 × 10 C
–19
Faraday constant F 9.64867 × 10 C mol –1
4
Gas constant R 8.314 J K mol –1
–1
ʻIce-pointʼ temperature K 273.150 K

Molar volume of ideal gas at STP. V 2.24136 × 10 m mol –1
3
–2
m
8.854185 × 10 –12
Permittivity of a vacuum ε
0
Kg m s A 2
–1
–3 4
Planck constant h 6.62620 × 10 Js
–34
Rydberg constant R H 1.973731 × 10 m –1
7
Standard pressure (atmosphere) p 101325 N m –2
Triple point of water K 273016 K
Velocity of light in vacuum c 2.997925 × 10 ms –1
8

112