Converting mm of Mercury to Atmospheres

The video tutorial demonstrates how to convert 750 mm of mercury to atmospheres using a conversion factor. It explains the importance of knowing or looking up the conversion factor, which is 1 atmosphere equals 760 mm of mercury. The tutorial walks through the conversion process, showing how to multiply by the conversion factor and cancel out units to arrive at the final result of 0.986 atmospheres, which can be rounded to 0.99 atmospheres.

What is the initial step in converting 750 mm of mercury to atmospheres?

• Subtract 10 from the value.

• Find a conversion factor.

• Directly divide by 1000.

• Multiply by 2.

What is the conversion factor used to convert mm of mercury to atmospheres?

• 1 atmosphere equals 850 mm of mercury.

• 1 atmosphere equals 500 mm of mercury.

• 1 atmosphere equals 760 mm of mercury.

• 1 atmosphere equals 1000 mm of mercury.

In the conversion process, why do we place atmospheres on top of the conversion factor?

• To avoid using a calculator.

• To make the calculation easier.

• To ensure the final result is in atmospheres.

• To cancel out atmospheres.

What is the result of converting 750 mm of mercury to atmospheres before rounding?

• 1.250 ATM

• 0.986 ATM

• 1.000 ATM

• 0.750 ATM

After rounding, what is the final value of 750 mm of mercury in atmospheres?

• 1.05 ATM

• 0.95 ATM

• 0.99 ATM

• 1.00 ATM