Q. In the ideal gas equation PV = nRT, R is:

आदर्श गैस समीकरण PV = nRT में, R है:

A
Reynold's number
रेनॉल्ड का नंबर
B
Universal gas constant
सार्वभौमिक गैस स्थिरांक
C
Raoult's constant
राउल्ट स्थिरांक
D
Reduced pressure
कम दबाव

Explanation

In the ideal gas equation PV = nRT:

  • P = pressure
  • V = volume
  • n = number of moles
  • R = Universal gas constant
  • T = temperature (in Kelvin)

Value of R:

  • 8.314 J/(mol·K)
  • 0.0821 L·atm/(mol·K)
  • 1.987 cal/(mol·K)

R is universal because it's the same for all ideal gases.

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