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I. Ana y Felipe quieren hacer la siguiente prueba, cual será la temperatura final de una mezcla de agua de diferentes temperaturas. Para realizar su experimento mezclan 1230 gr de agua a \( 45^{\circ} \mathrm{C} \mathrm{con} 456 \) gr de agua a \( 100^{\circ} \mathrm{C} \).

Ask by Dunn French. in Mexico
Mar 19,2025

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La temperatura final de la mezcla es de aproximadamente \( 59.88^{\circ}\text{C} \).

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¡Listo para una explosión de calor! Para encontrar la temperatura final de la mezcla, podemos utilizar la ecuación de equilibrio térmico: \( m_1 \cdot c \cdot (T_f - T_1) + m_2 \cdot c \cdot (T_f - T_2) = 0 \), donde \( m \) es la masa, \( c \) el calor específico (que es constante para el agua) y \( T \) las temperaturas iniciales. Al calcularlo, obtenemos una temperatura final de aproximadamente \( 72.3^{\circ} \mathrm{C} \). Además, una simple regla de oro en mezclas de temperatura es que el agua fría siempre tendrá que calentar al agua caliente, y en este caso, ¡el agua caliente predomina! Asegúrate de tener en cuenta las masas y las temperaturas iniciales de ambos lados de la ecuación para evitar confusiones. ¡Diviértanse en su experimento!

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Physics Philippines Mar 19, 2025
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