Explain the barometric pressure in a cavern

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Reference no: EM13287496

The barometric pressure in a cavern was measured using a mercury barometer. A value of 74.2 cm of Hg was obtained. How many atmospheres is this?

1) 5.64 atm

2) 9.76 atm

3) 1.024 atm

4) 0.976 atm

5) 56.4 atm

Reference no: EM13287496

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