Convert -550 mmHg to kPa.

Question image

Understand the Problem

The question is asking to convert a pressure measurement from millimeters of mercury (mmHg) to kilopascals (kPa), specifically -550 mmHg.

Answer

The equivalent pressure is approximately $-73.33 \text{ kPa}$.
Answer for screen readers

The equivalent pressure is approximately $-73.33 \text{ kPa}$.

Steps to Solve

  1. Identify the conversion factor To convert from millimeters of mercury (mmHg) to kilopascals (kPa), we use the conversion factor: $$ 1 \text{ mmHg} \approx 0.133322 \text{ kPa} $$

  2. Apply the conversion factor Multiply the pressure measurement in mmHg by the conversion factor to find the equivalent pressure in kPa: $$ -550 \text{ mmHg} \times 0.133322 \text{ kPa/mmHg} $$

  3. Calculate the result Now perform the multiplication: $$ -550 \times 0.133322 = -73.33 \text{ kPa} $$

The equivalent pressure is approximately $-73.33 \text{ kPa}$.

More Information

In this conversion, negative pressure indicates that it’s below atmospheric pressure. This situation might occur in certain scientific or engineering contexts, such as vacuum measurements.

Tips

  • Forgetting to use the correct conversion factor can lead to inaccurate results. Always double-check your conversion factor when performing unit conversions.

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