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A student reads a barometer in the laboratory and finds the prevailing atmospheric pressure to be...

A student reads a barometer in the laboratory and finds the prevailing atmospheric pressure to be 678 mm Hg. Express this pressure in atmospheres, kilopascals, torrs, pounds per square inch, and pascals.

Hint: 1 atm = 101.3 kPa = 760 torr = 760 mm Hg = 14.69 psi = 1.013×105 Pa

mm Hg atm kPa torr psi Pa

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