Atmospheric pressure is 29.86hg. what is the absolute, Ask an Expert

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The reading on a mercury manometer at 70(F) (open to the atmosphere at one end) is 25.62in. The local acceleration of gravity is 32.243 ft s^-2. Atmospheric pressure is 29.86Hg. What is the absolute pressure in psia being measured? The density of mercury at 70F is 13.543g cm^-3.

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