Problem: At constant temperature, which of the following statement(s) is/are  TRUE according to the figure?             I)  Every molecule of gas A has a faster speed than every molecule of gas D. II) Gas D has the smallest molar mass. III) Gas B has a smaller molar mass than gas C.   A) I only       B) II only      C) III only        D) both I and III          E) both II and III

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At constant temperature, which of the following statement(s) is/are  TRUE according to the figure?            

I)  Every molecule of gas A has a faster speed than every molecule of gas D.

II) Gas D has the smallest molar mass.

III) Gas B has a smaller molar mass than gas C.

A) I only      

B) II only     

C) III only       

D) both I and III         

E) both II and III

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