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What is the pressure of the gas in this mercury manometer if h = 55 mm and atmospheric pressure is 773 mmHg?

What is the pressure of the gas in this mercury manometer if h = 55 mm and atmospheric pressure is 773 mmHg?

2 Answers

depends on which side is higher.. it's 773mmHg + 55mmHg... OR.. 773mmHg - 55mmHg... Show More

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