Question
Calculate the absolute pressure if a barometer is - 40 mmHg of gauge pressure.
Answers
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Answered by
GPT 3.5
To calculate the absolute pressure, we need to add the atmospheric pressure to the gauge pressure.
Given that the gauge pressure is -40 mmHg, we can assume that the atmospheric pressure is 760 mmHg (standard atmospheric pressure at sea level).
So, the absolute pressure would be:
Absolute Pressure = Gauge Pressure + Atmospheric Pressure
= -40 mmHg + 760 mmHg
= 720 mmHg.
Therefore, the absolute pressure is 720 mmHg.
Given that the gauge pressure is -40 mmHg, we can assume that the atmospheric pressure is 760 mmHg (standard atmospheric pressure at sea level).
So, the absolute pressure would be:
Absolute Pressure = Gauge Pressure + Atmospheric Pressure
= -40 mmHg + 760 mmHg
= 720 mmHg.
Therefore, the absolute pressure is 720 mmHg.
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