High School

What is the conversion of 20 inches of mercury to psi?

A. 0.686 psi
B. 1 psi
C. 2.036 psi
D. 20 psi

Answer :

Final answer:

To convert 20 inches of mercury to psi, you multiply by the conversion factor of 0.4912 psi/inHg to obtain 9.824 psi. The correct answer is not provided in the options.

Explanation:

The conversion of 20 inches of mercury to psi requires understanding the relationship between these two units of pressure.

The conversion factor between inches of mercury (inHg) and psi (pounds per square inch) is that 1 inch of mercury is equivalent to 0.4912 psi. Therefore, to convert 20 inches of mercury to psi, you would use the following calculation: 20 inHg * 0.4912 psi/inHg = 9.824 psi.

None of the provided options (a) 0.686 psi, (b) 1 psi, (c) 2.036 psi, or (d) 20 psi is correct. The accurate conversion is not listed among these options.