Converting Millimeters of Mercury

The video tutorial explains how to convert 720 mm of mercury to atmospheres using a conversion factor. It begins by introducing the need for a conversion factor, which is 1 atmosphere equals 760 mm of mercury. The tutorial then demonstrates the calculation process by multiplying 720 mm of mercury by the conversion factor, ensuring the units cancel out to leave atmospheres. The final result of the conversion is 0.947 atmospheres. The video concludes with a brief summary of the process.

What is the conversion factor needed to convert millimeters of mercury to atmospheres?

• 1 atmosphere = 700 mm of mercury

• 1 atmosphere = 760 mm of mercury

• 1 atmosphere = 720 mm of mercury

• 1 atmosphere = 750 mm of mercury

Why do we place 760 mm of mercury in the denominator during the conversion process?

• To add the units together

• To cancel out the units of mm of mercury

• To convert atmospheres to mm of mercury

• To multiply the units

What happens to the units of millimeters of mercury during the conversion process?

• They are canceled out

• They are converted to pascals

• They remain unchanged

• They are added to atmospheres

What is the result of converting 720 mm of mercury to atmospheres?

• 0.947 atmospheres

• 1.000 atmospheres

• 1.053 atmospheres

• 0.760 atmospheres

What is the final step in the conversion process?

• Adding the units together

• Dividing the units

• Multiplying the units

• Subtracting the units