5.6

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5.6 recall and use the relationship for pressure difference:

        pressure difference = height × density × g

                               ∆p = h × ρ × g

∆p = pressure of the fluid (N/m² or Pa)

h = height of the fluid (m)

ρ = density of the fluid (kg/m³)

g = gravitational field strength (N/kg)

ps. 1,000mbar = 1 bar = 100,000Pa!