Pressure Conversions and Measurements

This video tutorial covers the conversion of various pressure units, including millimeters of Mercury, atmospheres, and Pascals. It provides examples of converting between these units and explains the use of a manometer to determine gas pressure. The video concludes with information on additional resources and community support for further learning.

Which of the following is NOT a unit of pressure mentioned in the video?

• Pascals

• Joules

• Atmospheres

• Millimeters of Mercury

What is the equivalent of 760 mm Mercury in terms of atmospheres?

• 0.75 atmospheres

• 2 atmospheres

• 1 atmosphere

• 0.5 atmospheres

If you have a pressure of 1.07 atmospheres, how many millimeters of Mercury is this equivalent to?

• 813 mm Mercury

• 760 mm Mercury

• 850 mm Mercury

• 700 mm Mercury

What is the conversion factor from millimeters of Mercury to pascals?

• 1 mm Mercury = 150 pascals

• 1 mm Mercury = 101.325 pascals

• 1 mm Mercury = 133.322 pascals

• 1 mm Mercury = 120 pascals

How many pascals are equivalent to 761.5 mm Mercury?

• 101,000 pascals

• 101,325 pascals

• 101,500 pascals

• 101,600 pascals

What is the pressure in millimeters of Mercury if the given pressure is 0.62 atmospheres?

• 470 mm Mercury

• 500 mm Mercury

• 450 mm Mercury

• 480 mm Mercury

In a manometer, if the column of mercury is lower in the open end, what can be inferred about the gas pressure?

• Gas pressure is equal to atmospheric pressure

• Gas pressure is less than atmospheric pressure

• Gas pressure is greater than atmospheric pressure

• Gas pressure is twice the atmospheric pressure

What is the gas pressure in atmospheres if the air pressure is 0.960 atmospheres and the height difference is 45 mm Mercury?

• 0.901 atmospheres

• 0.950 atmospheres

• 0.910 atmospheres

• 0.920 atmospheres

What is the conversion factor from millimeters of Mercury to atmospheres?

• 1 mm Mercury = 0.00150 atmospheres

• 1 mm Mercury = 0.00132 atmospheres

• 1 mm Mercury = 0.00125 atmospheres

• 1 mm Mercury = 0.00100 atmospheres

What is the final gas pressure in atmospheres after converting 45 mm Mercury to atmospheres and subtracting from 0.960 atmospheres?

• 0.910 atmospheres

• 0.920 atmospheres

• 0.950 atmospheres

• 0.901 atmospheres