R at atm, or standard atmospheric pressure, is equal to 8.3144598 J.mol-1. K-1.
The gas constant is defined in physics as the product of pressure and volume. It is represented by the symbol R and is expressed as energy per temperature increase per mole. At atm, the value of the gas constant is constant. However, the value of the gas constant can be expressed in a variety of units. It is also referred to as the ideal gas constant, the universal gas constant, or the molar constant.
The value of R in atm is fixed. The value of the gas constant, on the other hand, can be expressed in a variety of units. The ideal gas constant, universal gas constant, and molar constant are all names for R. The value of R changes as the system's pressure and volume change. Choose the appropriate R value depending on the measuring system.
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