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molar gas constant  Value  8.314 472 J mol-1 K-1  Standard uncertainty  0.000 015 J mol-1 K-1   Relative standard uncertainty   1.7 x 10-6  Concise form  8.314 472(15) J mol-1 K-1       Click here for correlation coefficient of this constant with other constants Source: 2006 CODATA      recommended values  Definition of uncertainty       Correlation coefficient with any other constant