Question 20 of 30According to Boyle's law, what would happen to the temperature of a gas if the pressure were halved as the number of moles and the volume were held constant?A.The temperature would double.B.The temperature would be reduced by half.C.The temperature would be one-quarter of its original value.D.The temperature would quadruple.SUBMITarrow_backPREVIOUS
Question
Question 20 of 30According to Boyle's law, what would happen to the temperature of a gas if the pressure were halved as the number of moles and the volume were held constant?A.The temperature would double.B.The temperature would be reduced by half.C.The temperature would be one-quarter of its original value.D.The temperature would quadruple.SUBMITarrow_backPREVIOUS
Solution
Para resolver esta pregunta, primero debemos entender la ley de Boyle y cómo se relaciona con la temperatura, la presión y el volumen de un gas.
La ley de Boyle establece que, para una cantidad fija de gas a temperatura constante, el volumen de un gas es inversamente proporcional a su presión. Matemáticamente, esto se expresa como:
Sin embargo, en esta pregunta, se menciona que el volumen y el número de moles se mantienen constantes, y se pregunta sobre el efecto en la temperatura cuando la presión se reduce a la mitad.
Para relacionar la presión, el volumen y la temperatura, utilizamos la ley de los gases ideales: donde:
- es la presión,
- es el volumen,
- es el número de moles,
- es la constante de los gases ideales,
- es la temperatura en Kelvin.
Dado que y son constantes, podemos reescribir la ecuación como: Esto significa que la presión es directamente proporcional a la temperatura cuando el volumen y el número de moles son constantes.
Si la presión se reduce a la mitad (), entonces la temperatura también se reducirá a la mitad para mantener la relación proporcional:
Por lo tanto, la respuesta correcta es: B. The temperature would be reduced by half.
Similar Questions
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