xxxharveyweinsteinxx
05.03.2021 •
Chemistry
Someone help please ?!!
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Ответ:
The pressure of gas in the mercury manometer is 852 mmHg.
The pressure of the gas is the sum of the Gauze pressure and the atmospheric pressure.
Gauze pressure is the pressure of the gas inside the instrument. The gas has been measured by the mercury manometer.
So, gauze pressure is the h = 83 mm.
Atmospheric pressure is the pressure exerted by the atmosphere against the gas.
Atmospheric pressure = 769 mm Hg.
So, pressure of gas in the mercury manometer = Gauze pressure + atmospheric pressure
= 83 mm + 769 mm
= 852 mmHg.
The pressure of gas in the mercury manometer is 852 mmHg.
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