Constants and Known Quantities Flashcards
1
Q
Gravitational Constant (g)
A
9.8 m s⁻²
2
Q
Elementary Charge (e)
A
1.6e-19 C
3
Q
Speed of Light (c)
A
3e8 m s⁻¹
4
Q
Planck Constant (h)
A
6.63e-34 J s
5
Q
Avogadro Constant (Nₐ)
A
6.02e23 mol⁻¹
6
Q
Molar gas constant (R)
A
8.31 J mol⁻¹ K⁻¹
7
Q
Gravitational Constant (G)
A
6.67e-11 N m² kg⁻²
8
Q
Permittivity of free space (εₒ)
A
8.85e-12 C² N⁻¹ m⁻² (F m⁻¹)
9
Q
Electron rest mass (mₑ)
A
9.11e-31 kg
10
Q
Proton rest mass (mₚ)
A
1.673e-27 kg
11
Q
Neutron rest mass (mₙ)
A
1.675e-27 kg
12
Q
Earth’s mass
A
5.97e24 kg
13
Q
Sun’s mass
A
2e30 kg
14
Q
Moon’s mass
A
7.35e22 kg
15
Q
Earth Surface radius
A
6.4e6 m
