Question

2L of hydrogen has an initial pressure of 750 mmHg, what is the final pressure in mmHg if the volume increases to 20 L with a constant temperature of 37 degrees C?​

Answer 1

Answer: The final pressure is 75 mm Hg.

Step-by-step explanation:

According to Boyle's law, at constant temperature the pressure of a gas in inversely proportional to volume.

Since, it is given that the temperature is constant. Hence, formula used is as follows.

`P_(1)V_(1) = P_(2)V_(2)`

Substitute the values into above formula as follows.

`P_(1)V_(1) = P_(2)V_(2)\\750 mm Hg * 2 L = P_(2) * 20 L\\P_(2) = (750 mm Hg * 2 L)/(20 L)\\= 75 mm Hg`

Thus, we can conclude that the final pressure is 75 mm Hg.