Gas Pressure Unit Conversions Explained

Why is it important to understand different units for measuring gas pressure?

• To ensure accurate measurements and conversions

• To use the most expensive equipment

• To make the process more complicated

• To avoid using any units at all

What is another name for millimeters of mercury?

• Pounds

• Torr

• Kilopascals

• Atmospheres

Which scientist is the unit 'Torr' named after?

• Einstein

• Torricelli

• Newton

• Pascal

What is the abbreviation for atmospheres?

• atm

• Pa

• kPa

• mmHg

How many millimeters of mercury are equivalent to 1 atmosphere?

• 101.3

• 1

• 760

• 1000

What is the first step in converting kilopascals to atmospheres?

• Add 1 atm

• Divide by 101.3

• Multiply by 760

• Write the conversion factors

When converting 225 kPa to atmospheres, what is the final answer rounded to three significant figures?

• 2.22 atm

• 2.25 atm

• 2.20 atm

• 2.23 atm

What is the conversion factor used to convert kilopascals to millimeters of mercury?

• 1 atm / 101.3 kPa

• 760 mmHg / 101.3 kPa

• 101.3 kPa / 760 mmHg

• 1 atm / 760 mmHg

What is the final answer when converting 225 kPa to millimeters of mercury, rounded to three significant figures?

• 1690 mmHg

• 1710 mmHg

• 1700 mmHg

• 1680 mmHg

What should you remember when choosing a conversion factor?

• The new units should cancel out

• The conversion factor should be the most complex one

• The old units should cancel out

• The conversion factor should be the simplest one