58. Two samples of the same ideal gas have the same volume and density. Sample B has twice the presure of sample A. What is the root-mean-square speed of the molecules in sample B?
(A) same as that in sample A
(B) twice that in sample A
(C) half that in sample A
(D)
times that in sample A
(E) insufficient information to determine
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統計: A(1), B(0), C(0), D(11), E(0) #3222825
統計: A(1), B(0), C(0), D(11), E(0) #3222825