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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

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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: P1V1=P2V2 P_1 V_1 = P_2 V_2

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: PV=nRT PV = nRT donde:

  • P P es la presión,
  • V V es el volumen,
  • n n es el número de moles,
  • R R es la constante de los gases ideales,
  • T T es la temperatura en Kelvin.

Dado que n n y V V son constantes, podemos reescribir la ecuación como: PT P \propto T 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 (P2=12P1 P_2 = \frac{1}{2} P_1 ), entonces la temperatura también se reducirá a la mitad para mantener la relación proporcional: T2=12T1 T_2 = \frac{1}{2} T_1

Por lo tanto, la respuesta correcta es: B. The temperature would be reduced by half.

This problem has been solved

Similar Questions

According to Boyle's law, what would happen to the pressure of a gas if the temperature were tripled as the number of moles and the volume were held constant?A.The pressure would be one-ninth of its original value.B.The pressure would remain the same.C.The pressure would triple.D.The pressure would be one-third of its original value.

If the pressure of a gas is quadrupled while its temperature is held constant, how will the volume of the gas change according to Boyle's Law?(2 Points)The volume will quadruple.The volume will halve.The volume will double.The volume will remain the same.

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A gas is initially at a pressure of 2 atm and a volume of 4 L. If the volume is decreased to 2 L while the temperature is held constant, what will be the new pressure of the gas, according to Boyle's Law?(2 Points)1 atm2 atmC) 4 atmD) 8 atm

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