Pressure Conversion: mmHg to Atmospheres

The video tutorial explains how to convert 660 mm of mercury to atmospheres using a conversion factor. It begins by introducing the concept of conversion and the necessary conversion factor, which is 1 atmosphere equals 760 mm of mercury. The tutorial then demonstrates the step-by-step process of applying this conversion factor, including multiplying and canceling units to achieve the final result. The calculation concludes with the conversion of 660 mm of mercury to 0.868 atmospheres.

What is the initial pressure value given in the problem?

• 0.868 atmospheres

• 760 mm of mercury

• 660 mm of mercury

• 1 atmosphere

What is the conversion factor from mm of mercury to atmospheres?

• 1 mm of mercury = 760 atmospheres

• 1 atmosphere = 660 mm of mercury

• 1 atmosphere = 760 mm of mercury

• 1 mm of mercury = 1 atmosphere

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

• To convert to mm of mercury

• To multiply the units

• To cancel out mm of mercury

• To add the units

What operation is performed to convert 660 mm of mercury to atmospheres?

• Subtracting 760

• Multiplying by 760

• Adding 760

• Dividing by 760

What is the final result of the conversion in atmospheres?

• 0.868 atmospheres

• 1.000 atmospheres

• 0.760 atmospheres

• 660 atmospheres

What is the purpose of the conversion process described in the video?

• To measure temperature

• To convert mm of mercury to atmospheres

• To find the weight of mercury

• To convert atmospheres to mm of mercury