Convert -550 mmHg to kPa.
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
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Identify the conversion factor To convert from millimeters of mercury (mmHg) to kilopascals (kPa), we use the conversion factor: $$ 1 \text{ mmHg} \approx 0.133322 \text{ kPa} $$
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Apply the conversion factor Multiply the pressure measurement in mmHg by the conversion factor to find the equivalent pressure in kPa: $$ -550 \text{ mmHg} \times 0.133322 \text{ kPa/mmHg} $$
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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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