Pressure Conversion and Units

The video tutorial introduces the gases unit, emphasizing the importance of understanding essential knowledge and learning objectives. It explains various pressure units and their conversions, such as atmosphere, millimeters of mercury, Torr, kPa, and PSI. The tutorial provides detailed examples of converting between these units, ensuring students understand the process and the significance of significant figures.

What should you do first when starting the gases unit?

• Read the entire textbook

• Skip to the exercises

• Review the essential knowledge and learning objectives

• Watch a documentary on gases

Which of the following is NOT a unit of pressure?

• Atmosphere

• Millimeters of mercury

• Kilograms

• Torr

How many millimeters of mercury are equivalent to one atmosphere?

• 101.3

• 760

• 1000

• 14.7

What is the first step in converting 745 mmHg to psi?

• Divide by 101.3

• Multiply by 14.7

• Write down the given value

• Convert to kPa first

What is the psi equivalent of 745 mmHg?

• 101.3 psi

• 14.4 psi

• 96.9 psi

• 760 psi

How do you convert 727 mmHg to kPa?

• Multiply by 101.3

• Multiply by 14.7

• Add 101.3

• Divide by 760 and multiply by 101.3

What is the kPa equivalent of 727 mmHg?

• 760 kPa

• 101.3 kPa

• 14.7 kPa

• 96.9 kPa

How do you convert 52.5 kPa to atmospheres?

• Multiply by 760

• Divide by 101.3

• Multiply by 14.7

• Add 101.3

What is the mmHg equivalent of 0.729 atmospheres?

• 554 mmHg

• 14.7 mmHg

• 760 mmHg

• 101.3 mmHg

How do you convert 522 Torr to kPa?

• Multiply by 101.3

• Add 101.3

• Divide by 760 and multiply by 101.3

• Multiply by 14.7