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 Aug 30th 2018, 12:05 PM #1 jeffd887 Junior Member   Join Date: Aug 2018 Location: houston, texas Posts: 1 conversion question What is the conversion of in Hg to torr? If it helps, the problem this conversion comes from is as follows (summarized): barometric pressure is 30.45 in. Hg. (a) convert this pressure to torr. (b) convert this pressure to atm. The conversions the book gives in regards to pressure are as follows: 1 pa = 1 N/m^2 = 1 kg/m-s^2 1 atm = 1.01325 x 10^5 pa = 760 torr =14.70 lb/in^2 1 bar = 10^5 pa 1 torr = 1 mm Hg Just not sure how to convert inches into any of these things? Thanks in advance.
 Aug 31st 2018, 05:54 PM #2 ChemIsMyJam Junior Member   Join Date: Aug 2018 Location: NC Posts: 2 Convert inHg to mmHg When you're given inHg (inches of mercury), you can convert that to mmHg (millimeters of mercury) as you would a length. 1 inch=2.54 cm=25.4 mm The units for mmHg and inHg are basically measuring how high mercury would go up in a barometer. Once you get to mmHg you can use one of the conversions that you listed. Hope this helps! Rebecca https://www.chemistryismyjam.com

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