Vapor, fluid (liquids), solid state

Relative air humidity
φ = p / p_0

Relative air humidity
φ = ρ / ρ_0

Liquid surface tension force
F = σ l

Additional pressure in the surface of a curved fluid (Young–Laplace formula)
Δ_p = 2σ / R

Capillary rise (descent)
h = 2σ / (ρgr)

Tension
σ = F / S

Hooke's law (tension)
σ = Eε

Hooke's law (tension)
σ = E Δ_l / l_0

Elongation
ε = Δ_l / l_0

Temperature coefficient of linear expansion (solid body)
α = Δ_l / (l_1 * Δ_t)

Heat (thermal) surface expansion of solid body
Δ_S = 2α * S_1 * Δ_t

Heat (thermal) surface expansion of solid body
S_2 =   S_1 (1+2α* Δ_t)

Heat (thermal) volume expansion of solid body
V_2 = V_1 (1 + 3α * Δ_t)

Heat (thermal) volume expansion of liquid (fluid)
Δ_V = β * V_1 * Δ_t

Heat (thermal) volume expansion of liquid (fluid)
V_2 = V_1 (1 + β  * Δ_t)