which of the following relations are correct?

• A

  $1 \mathrm{eV}=1.602 \times {10}^{-19 }$J

• B

  $1\mathrm{L}= 1{\mathrm{dm}}^3$

• C

  $1 \mathrm{J} = 1.98 \mathrm{cal}$

• D

  $1 \mathrm{atm} = 1.01325 \mathrm{bar}$