What is the universal gas constant? Write its value and unit.

  • A
    $8.314 \ J \ mol^{-1} \ K^{-1}$
  • B
    $0.0821 \ L \ atm \ mol^{-1} \ K^{-1}$
  • C
    $1.38 \times 10^{-23} \ J \ K^{-1}$
  • D
    $6.626 \times 10^{-34} \ J \ s$

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