It determines the descent of a substance X, by capillarity, to 60°F, in a glass container that has a diameter of 0.55 inches knowing that the contact angle is 20°. It is known that the surface tension of substance X under the indicated conditions is 50 mN/m. Consider its relative density equal to 1.14.

Given that: diameter = 0.55 inch = 0.01397 m contact angle ( theta ) = 20

Resuelto It determines the descent of a substance X, by

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Pregunta: It determines the descent of a substance X, by capillarity, to 60°F, in a glass container that has a diameter of 0.55 inches knowing that the contact angle is 20°. It is known that the surface tension of substance X under the indicated conditions is 50 mN/m. Consider its relative density equal to 1.14.
It determines the descent of a substance X, by capillarity, to 60°F, in a glass container that has a diameter of 0.55 inches knowing that the contact angle is 20°. It is known that the surface tension of substance X under the indicated conditions is 50 mN/m. Consider its relative density equal to 1.14.

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Solución
Paso 1
Given that:
diameter = 0.55 inch = 0.01397 m
contact angle ( $θ$ ) = 20
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Paso 2
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