Question

After a long walk in 12°C outside, a person wearing glasses enters a room at 25°C and 55% relative humidity. Determine whether the glasses will fog up. Justify your answer by including the calculations you performed.

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1. Usar la fórmula del punto de rocío:

T_d = T - \left( \frac{100 - RH}{5} \right)

2. Sustituir \( T = 25 \) y \( RH = 55 \):

T_d = 25 - \left( \frac{100 - 55}{5} \right) = 25 - 9 = 16 \text{ °C}

3. Comparar la temperatura de los anteojos (12 °C) con el punto de rocío (16 °C):

12 \text{ °C} < 16 \text{ °C}

Conclusión: Los anteojos se empañarán.

2. Sustituir \( T = 25 \) y \( RH = 55 \):

3. Comparar la temperatura de los anteojos (12 °C) con el punto de rocío (16 °C):

Conclusión: Los anteojos se empañarán.

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