Which of the following are correct 

Options

A. gases with equal P,T and `M_1 gtM_2`, then `d_1gt d_2`
B. gases with equal P,V,T and `M_1 gt M_2`, then `N_1 = N_2` (no. of molecules)
C. gases with equal P, V and `N_1 gtN_2` then `T_1 lt T_2`
D. gases with equal T, N and `P_1 gt P_2`, then `V_1 gt V_2`

Answer

A, B, C

Explanation

a) `M alpha d` (at constant P,T)
b) equal P,T V `implies ` equal moles
`implies` equal molecules.
c) `N_1 > N_2 implies n_1 > n_2 , n alpha 1/T = T_2 > T_1`
d) `n ,T` same `implies P alpha 1/V implies P_1 > P_2 implies V_1 < V_2`.