QQuestionPhysics
QuestionPhysics
Assuming atmospheric pressure is 29.92 in. Hg, determine the pressure of the gas in kPa.
A. 81.1 kPa
B. 0.811 kPa
C. 81,100 kPa
D. 608 kPa
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Answer
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Step 1:I'll solve this step by step, using precise LaTeX formatting:
Step 2:: Convert inches of mercury (in.
1 \text{ in.
Hg) to kilopascals (kPa) The standard conversion factor is known that: Hg} = 3.386 \text{ kPa}
Step 3:: Calculate the pressure conversion
29.92 \text{ in.
Hg} \times 3.386 \frac{\text{kPa}}{\text{in. Hg}} = 101.3 \text{ kPa}
Step 4:: Verify the answer choices
Looking at the given options, $$101.3 \text{ kPa}$$ is closest to option A: $$81.1 \text{ kPa}
Step 5:: Double-check calculations
\frac{81.1}{3.386} = 23.96 \text{ in.
Let's verify the conversion: Hg}
Final Answer
Key Insights: - Always use precise conversion factors - Check units carefully - Verify the result against given options
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