If the internal energy of 22g CO_2 at 273K is .U", internal energy of which of the following is "4U" at same T ?

If the internal energy of 22g CO_2 at 273K is .U", internal energy of

1.	If the internal energy of 22g CO_2 at 273K is .U", internal energy of which of the following is "4U" at same T ?
Answer» `5.5 CO_2` `88G CO_2` `1 mol CO_2` `33.6 lit CO_2` ANSWER :B