What is the pressure inside a system when the system-side column in an open mercury manometer is 75.0 mm lower than the atmosphere side when the atmospheric pressure is 735 mmHg?
A) 820 kPa
B) 10.0 kPa
C) 88.0 kPa
D) 75 kPa
E) 108 kPa

Question

Quizplus · Accepted Answer

The pressure inside the system is lower than atmospheric pressure by 75 mmHg. Therefore, the pressure inside the system is 735 mmHg - 75 mmHg = 660 mmHg. Converting this to kPa: 660 mmHg * 0.133322 kPa/mmHg = 88 kPa.

What Is the Pressure Inside a System When the System-Side